DR. SHERIF REZK M.D.
NPI 1457557324
Pathology - Anatomic Pathology & Clinical Pathology in Orange, CA

Q: What is Sherif Rezk's NPI number?

The NPI number for Sherif Rezk is 1457557324. It was assigned to this individual provider in the NPPES registry on June 26, 2007.

Q: What is Sherif Rezk's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Sherif Rezk was last updated on March 25, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 26, 2007PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

101 THE CITY DR S, ORANGE, CA 92868(714) 456-6411(714) 456-5873 Get Directions Write a Review

NPPES record last updated: March 25, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. Sherif Rezk M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SHERIF REZK M.D. (NPI 1457557324) is an individual anatomic pathology & clinical pathology provider in Orange, California, licensed in California (A93251) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1995).

NPPES Registry Identity

NPI1457557324

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameDR. SHERIF REZKCredential: M.D.

Location Address101 THE CITY DR SOrange, CA 92868-3201

Mailing AddressPo Box 513377Los Angeles, CA 90051-3377 · (714) 456-8835 · Fax (714) 456-6248

Phone(714) 456-6411

Fax(714) 456-5873

Sole ProprietorNo

Medical School CMSOtherGraduated 1995

Enumeration DateJune 26, 2007

Last NPPES UpdateMarch 25, 2008

✔ NPI 1457557324 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in CA · A93251

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

101 THE CITY DR S, Orange, CA 92868

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Other Identifiers 4

Other00A932510CA · Blue Shield

OtherWA93251ACA · Medicare Ptan

Medicaid00A932510CA

Medicare PINWA93251ACA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Sherif Rezk M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4486749843

PECOS Enrollment IDI20070928000748

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 122

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

7,308 services3,383 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

6,954 services2,763 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

6,500 services2,440 patients

Blood test, comprehensive group of blood chemicals 80053

5,395 services2,516 patients

Blood test, basic group of blood chemicals (calcium, total) 80048

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

2,345 services1,058 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test 85027

A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.

2,233 services1,536 patients

Lactate dehydrogenase (enzyme) level 83615

A Lactate Dehydrogenase level test measures the amount of this enzyme in your body. It's often done when tissue damage is suspected, as high levels can indicate issues like heart disease, lung disease, liver disease, or blood disorders. This test helps in diagnosing and monitoring these conditions.

1,354 services394 patients

Screening test for antibody to noninfectious agent 86255

A screening test for antibodies to noninfectious agents is a medical procedure that checks your body's response to substances that are not infectious. It involves taking a blood sample to identify specific antibodies, which are proteins your body produces when it detects harmful elements.

1,269 services761 patients

Manual urinalysis test with examination using microscope, automated 81001

A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.

1,104 services631 patients

Phosphate level 84100

A phosphate level test measures the amount of phosphate in your blood. Phosphate is a chemical that contains the mineral phosphorus, crucial for energy production, muscle and nerve function, and bone growth. Imbalances may indicate kidney disease or other health issues.

1,064 services314 patients

Blood test, basic group of blood chemicals (calcium, total) 80048

1,014 services731 patients

Magnesium level 83735

A magnesium level test is a simple blood test that measures the amount of magnesium in your body. Magnesium is a crucial mineral that helps your nerves, muscles, and heart function properly. The test can help detect health conditions like kidney disease or malnutrition.

943 services309 patients

Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution 87186

This process checks how well certain drugs, like antibiotics, can fight against infections. It involves mixing the drug with a microbe (like bacteria or a virus) in a lab. By observing how the microbe reacts, it helps determine the best drug to treat your infection.

893 services334 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test 85027

857 services594 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

722 services479 patients

Magnesium level 83735

682 services293 patients

Bacterial culture for aerobic isolates 87077

A bacterial culture for aerobic isolates is a lab test that helps identify bacteria that thrive in oxygen-rich environments. A sample from the suspected infection site is collected, then placed in a special medium that promotes bacterial growth. After a set period, the lab identifies any bacteria present, aiding in accurate diagnosis and treatment.

637 services333 patients

Lactate dehydrogenase (enzyme) level 83615

601 services188 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

565 services335 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

552 services413 patients

Phosphate level 84100

545 services255 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

537 services104 patients

Platelet aggregation function test 85576

A platelet aggregation function test is a blood test that measures how well your platelets clump together to form blood clots. This is crucial to prevent excessive bleeding. The test helps in diagnosing disorders related to platelet function.

524 services272 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

466 services310 patients

Bacterial colony count, urine 87086

A bacterial colony count, urine, is a laboratory test that checks a urine sample for bacteria. It helps to identify if an infection is present in the urinary system. High numbers of bacteria in the urine can indicate a urinary tract infection (UTI).

434 services298 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

412 services88 patients

Prealbumin (protein) level 84134

A Prealbumin (protein) level test measures the amount of prealbumin in your blood. Prealbumin is a protein made by your liver and helps carry vitamins and hormones through your body. Low levels could indicate malnutrition, liver disease, or other health issues.

395 services255 patients

Uric acid level, blood 84550

A blood uric acid level test measures the amount of uric acid in your blood. Uric acid is a waste product that your body produces when it breaks down purines, substances found in your body and in certain foods. High levels may lead to gout or kidney stones.

369 services167 patients

Microscopic genetic analysis of tissue, manual, each additional multiplex stain procedure 88377

Microscopic genetic analysis of tissue is a detailed lab process that examines your cells' genetic material. If more than one stain procedure is needed, it's termed an 'additional multiplex stain procedure'. This helps to highlight different components within your cells, aiding in accurate diagnosis and treatment planning.

355 services70 patients

Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 87635

This is a lab test that detects the presence of COVID-19 in your body. It uses a technique to amplify the virus's genetic material, either DNA or RNA, making it easier to identify. A positive result indicates an active infection.

317 services95 patients

Thyroxine (thyroid chemical), free 84439

The Thyroxine (thyroid chemical), free test is a blood test that measures the level of free T4 in your body. T4 is a hormone produced by your thyroid gland and is essential for growth and metabolism. If your T4 levels are too high or too low, it could indicate a thyroid disorder.

302 services221 patients

Blood test, clotting time 85610

A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.

295 services46 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

294 services142 patients

Flow cytometry technique for dna or cell analysis, 16 or more markers 88189

Flow cytometry is a method used to measure and analyze cells. It uses a beam of light to detect up to 16 or more markers on cells, helping to identify their type, function, or abnormalities. This technique aids in diagnosing various health conditions.

266 services205 patients

Uric acid level, blood 84550

239 services134 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

209 services170 patients

Measurement c-reactive protein for detection of infection or inflammation 86140

C-reactive protein (CRP) test is a blood test that checks for signs of inflammation or infection in the body. High levels of CRP often suggest that there's inflammation or a bacterial infection. This test helps in monitoring and managing conditions like arthritis and heart disease.

201 services97 patients

Valproic acid level, total 80164

A Valproic Acid Level, Total test measures the amount of valproic acid, a medication used to treat seizures and mood disorders, in your blood. This helps ensure the drug is working effectively and safely. Regular testing is necessary to monitor and adjust dosage if needed.

186 services93 patients

Measurement of antibody to noninfectious agent 86256

The measurement of antibody to noninfectious agent is a test that checks your body's immune response to a non-disease causing substance. This could be anything from a food allergen to a medication. It helps doctors understand how your immune system reacts to these substances.

170 services130 patients

Red blood cell sedimentation rate, to detect inflammation, automated 85652

The Red Blood Cell Sedimentation Rate is a test that helps detect inflammation in the body. It's automated, meaning a machine does the work. This test measures how fast red blood cells settle at the bottom of a tube in an hour. A faster rate may indicate inflammation.

164 services90 patients

Iron level 83540

An iron level test measures the amount of iron in your blood. Iron is crucial for producing hemoglobin, a protein in red blood cells that carries oxygen throughout your body. This test helps identify iron deficiencies or excesses, which can lead to conditions like anemia or hemochromatosis.

159 services85 patients

Vitamin d-3 level 82306

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

149 services84 patients

Liver function blood test panel 80076

A liver function blood test panel helps check the health of your liver. It measures various proteins, liver enzymes, and bilirubin in your blood. If these levels are too high or too low, it could signal a liver problem. It's a simple, non-invasive test that involves drawing blood.

142 services95 patients

Creatinine level to test for kidney function or muscle injury 82570

A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.

139 services95 patients

Folic acid level, serum 82746

A Folic Acid Level, Serum test measures the amount of folic acid, a type of B vitamin, in your blood. This vitamin is important for cell growth and development. It's crucial for your body to function well. If your levels are low, it may indicate a deficiency, which can lead to health issues.

134 services113 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

133 services113 patients

Total protein level, urine 84156

The Total Protein Level in urine test measures the amount of protein present in your urine. This helps to check kidney health as high levels may indicate a problem. It's a simple, non-invasive procedure involving a urine sample.

129 services82 patients

Total protein level, urine 84156

127 services77 patients

Ammonia level 82140

An ammonia level test measures the amount of ammonia in your blood. Too much ammonia in your blood can cause confusion, lethargy, or even coma. It's often used to check liver function or to see if treatments for liver disease are working. It's a simple blood draw.

117 services64 patients

Creatinine level to test for kidney function or muscle injury 82570

115 services70 patients

Preparation of tissue for examination by removing any calcium present 88311

This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.

105 services88 patients

Bone marrow, smear interpretation 85097

Bone marrow smear interpretation is a procedure where a small sample of your bone marrow is taken and examined under a microscope. This helps doctors identify any abnormal cells or signs of diseases such as anemia, leukemia, or infections. It's a crucial step in diagnosing various blood disorders.

103 services85 patients

Levetiracetam level 80177

A Levetiracetam level test measures the amount of Levetiracetam, a medication used to treat seizures, in your blood. It helps ensure the drug is at a therapeutic level, improving effectiveness and minimizing side effects.

98 services53 patients

Stool analysis for blood, by fecal hemoglobin determination by immunoassay 82274

A stool analysis for blood, or fecal hemoglobin determination by immunoassay, is a test that checks for hidden blood in your stool. This test helps identify potential issues in your digestive system. It involves collecting a small stool sample which is then analyzed in a lab for the presence of blood.

98 services57 patients

Thyroid hormone, t3 measurement, free 84481

The T3 measurement, free, is a blood test that checks the level of a hormone called triiodothyronine. This hormone is produced by your thyroid, a small gland in your neck. It plays a key role in regulating your body's metabolism and energy use.

94 services64 patients

Microscopic genetic analysis of tumor, manual 88360

Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.

89 services60 patients

Red blood cell concentration measurement 85014

Red blood cell concentration measurement is a routine blood test that assesses the number of red blood cells in your blood. These cells carry oxygen throughout your body. The test can help identify conditions like anemia or dehydration. It's a simple, quick, and relatively painless procedure.

87 services32 patients

Special gram or giemsa stain for microorganism 87205

A special Gram or Giemsa stain is a laboratory technique used to identify microorganisms in a sample. This stain highlights the microorganisms, making them easier to see under a microscope. It's a crucial step in diagnosing various infections and diseases.

82 services51 patients

Procalcitonin (hormone) level 84145

A Procalcitonin level test measures the amount of procalcitonin in your blood. This hormone increases when you have a bacterial infection. The test helps in diagnosing infections, especially serious ones like sepsis, and guides the need for antibiotics.

80 services33 patients

Bacterial culture, any other source except urine, blood or stool, aerobic 87070

A bacterial culture is a test that helps identify harmful bacteria in your body. In this case, a sample from any part other than urine, blood or stool is collected. The sample is placed in a special environment to promote bacteria growth. It helps in diagnosing infections and determining the best treatment.

77 services57 patients

Interpretation and report of genetic testing 88291

Interpretation and report of genetic testing involves analyzing your DNA to look for changes that could indicate a risk for certain health conditions. The results are then compiled into a report, which provides insights about your genetic health.

75 services63 patients

Manual urinalysis test with examination using microscope, automated 81001

74 services59 patients

Ferritin (blood protein) level 82728

A Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.

68 services57 patients

Natriuretic peptide (heart and blood vessel protein) level 83880

A natriuretic peptide level test is a blood test that helps doctors check for heart failure. It measures the amount of certain proteins that your heart and blood vessels produce when they are under stress. High levels may indicate heart disease.

67 services42 patients

Insertion of needle into vein for collection of blood sample 36415

65 services38 patients

Albumin (protein) level 82040

The Albumin Level test measures the amount of albumin, a vital protein made by the liver, in your blood. This protein helps keep fluid in your bloodstream so it doesn't leak into other tissues. It's also vital for tissue growth and healing. Low or high levels can indicate certain health issues.

65 services47 patients

Bacterial urine culture 87088

A bacterial urine culture is a laboratory test that checks for bacteria in your urine. It helps identify the type of bacteria causing an infection, enabling the selection of the most effective treatment. The test involves collecting a urine sample in a sterile container.

65 services56 patients

Blood test, thyroid stimulating hormone (tsh) 84443

60 services47 patients

Blood count, hemoglobin 85018

A blood count, specifically hemoglobin, is a standard test that measures the amount of hemoglobin in your blood. Hemoglobin is a protein in red blood cells that carries oxygen throughout your body. This test helps assess your overall health and detect a variety of disorders such as anemia or polycythemia.

60 services26 patients

Vancomycin (antibiotic) level 80202

A Vancomycin level is a blood test done to measure the amount of Vancomycin, an antibiotic, in your body. This helps to ensure the dosage is effective in fighting infection, but not so high as to cause side effects.

57 services29 patients

Microscopic examination for white blood cells with manual cell count 85007

This is a lab test where a small sample of your blood is studied under a microscope. The goal is to count the number of white blood cells, which are crucial for your body's immune response. The count can help identify potential health issues.

57 services41 patients

Hemoglobin a1c level 83036

55 services46 patients

Detection test by nucleic acid for clostridium difficile, amplified probe technique 87493

A detection test by nucleic acid for Clostridium difficile using an amplified probe technique is a lab test that identifies the presence of the Clostridium difficile bacteria in your body. It uses a small sample, often stool, and a technique that amplifies the bacteria's genetic material to confirm its presence.

53 services42 patients

Blood potassium level 84132

A blood potassium level test measures the amount of potassium in your blood. Potassium is a vital mineral for the body, helping nerves and muscles, especially the heart, to function properly. Abnormal levels can cause health issues like irregular heartbeat, muscle weakness, or numbness.

48 services23 patients

Blood test, lipids (cholesterol and triglycerides) 80061

47 services42 patients

Red blood cell concentration measurement 85014

46 services35 patients

Microscopic genetic analysis of tissue, manual, initial procedure 88368

Microscopic genetic analysis of tissue is a test that examines your cells under a microscope. This helps to identify any genetic changes that could be causing health issues. It's the first step in a series of tests to pinpoint the root cause of your symptoms.

46 services40 patients

Phenytoin level, total 80185

A Phenytoin level, total test measures the amount of phenytoin, an anti-seizure medication, in your blood. It's used to ensure the drug is at a therapeutic level, helping control seizures without causing side effects. Regular monitoring is often required.

45 services17 patients

Transferrin (iron binding protein) level 84466

A transferrin level test measures the amount of transferrin, a protein that carries iron, in your blood. This can help determine if your body has an iron deficiency or overload. It's a simple blood test and can provide valuable information about your overall health.

45 services41 patients

Parathormone (parathyroid hormone) level 83970

The Parathormone level test measures the amount of parathyroid hormone in your blood. This hormone controls calcium and phosphorus levels in the body, which are vital for bone health. Abnormal levels may indicate issues like kidney disease or parathyroid gland disorders.

44 services35 patients

Blood count, hemoglobin 85018

44 services33 patients

Bacterial blood culture 87040

A bacterial blood culture is a test to check for bacteria or other microorganisms in your blood. A small amount of blood is taken from your vein and sent to a lab. If bacteria are present, they will grow and can be identified, helping to guide treatment.

44 services24 patients

Valproic acid level, total 80164

40 services26 patients

Hemoglobin analysis and measurement, electrophoresis 83020

Hemoglobin analysis and measurement, electrophoresis, is a lab test that separates and identifies proteins in your blood. It's used to diagnose conditions affecting red blood cells. It's a simple, painless procedure where a small blood sample is taken and analyzed.

40 services33 patients

Total protein level, blood 84155

A total protein level blood test measures the amount of proteins in your blood. Proteins are essential for body functions, including immune response, tissue repair, and nutrient transportation. Abnormal levels may indicate certain diseases or conditions. It's a simple test involving a blood draw.

39 services39 patients

Urine microalbumin (protein) level 82043

The urine microalbumin level test measures the amount of a protein called albumin in your urine. This test helps to detect early signs of kidney damage. High levels of albumin may suggest your kidneys aren't functioning properly. It's a simple, non-invasive test that involves providing a urine sample.

38 services31 patients

Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution 87186

36 services20 patients

Lithium level 80178

A lithium level test is a lab procedure that measures the amount of lithium, a medication often used to treat mental health conditions like bipolar disorder, in your blood. This helps ensure the drug is at a safe and effective level for treatment.

31 services13 patients

Blood gases measurement 82803

Blood gases measurement is a test that checks how well your lungs move oxygen into your blood and remove carbon dioxide. It involves drawing blood from an artery, typically in your wrist. The results help evaluate your lung function and guide treatment plans.

31 services18 patients

Microscopic examination for white blood cells with manual cell count 85007

31 services29 patients

Bacterial culture for aerobic isolates 87077

30 services24 patients

Prealbumin (protein) level 84134

29 services19 patients

Lipase (fat enzyme) level 83690

A Lipase Level test measures the amount of lipase in your blood. Lipase is an enzyme that helps your body digest fats. High or low levels can indicate problems with your pancreas, such as pancreatitis or other conditions. This test helps your doctor diagnose and monitor these conditions.

26 services22 patients

Creatine kinase (cardiac enzyme) level, total 82550

The total Creatine Kinase (CK) level test is a blood test that helps assess the health of your heart. It measures an enzyme called CK that's released into the bloodstream when heart or other muscle tissue is damaged. High levels may indicate a heart attack or muscle disorder.

25 services23 patients

Blood creatinine level 82565

A blood creatinine level test measures the amount of creatinine in your blood. Creatinine is a waste product that your body produces when it uses energy. High levels may indicate that your kidneys aren't working properly. This test is often used to monitor kidney health.

25 services17 patients

Iron level 83540

25 services18 patients

Genetic sequencing localization, initial procedure 88365

Genetic sequencing localization is a process to identify where specific genes are located in your DNA. During the initial procedure, a sample of your cells is collected, usually through a simple swab or blood test. This data is then analyzed to pinpoint the location of certain genes. This can help understand your genetic makeup and potential health risks.

25 services14 patients

Detection test by immunoassay technique for shiga-like toxin (bacterial toxin) 87427

A detection test using the immunoassay technique for Shiga-like toxin helps identify harmful bacteria in your body. It uses your body's immune response to detect the presence of these toxins. This test is crucial in diagnosing certain bacterial infections.

24 services12 patients

Protein measurement, serum 84165

A serum protein measurement is a blood test that determines the levels of proteins in your blood. It is used to evaluate your overall health, and diagnose nutritional problems, kidney disease, liver disease, or immune disorders.

23 services18 patients

Bacterial colony count, urine 87086

23 services21 patients

Ammonia level 82140

22 services20 patients

Troponin (protein) analysis, quantitative 84484

Troponin analysis is a blood test that checks for damage to the heart. Elevated levels of troponin, a protein in heart cells, can indicate a heart attack. This test helps in early detection and management of heart-related issues.

21 services15 patients

Thyroxine (thyroid chemical), free 84439

20 services16 patients

Immunologic analysis technique on serum (immunofixation) 86334

Immunofixation is a lab test that helps identify proteins called immunoglobulins in your blood serum. These proteins are part of your immune system. Changes in their levels can indicate certain diseases. The test is simple and only requires a blood sample.

20 services17 patients

Coagulation assessment blood test, plasma or whole blood 85730

A coagulation assessment blood test evaluates how well your blood clots, helping identify potential bleeding or clotting disorders. This test uses a sample of your plasma or whole blood. It's a standard procedure to ensure your body's clotting process is functioning properly.

19 services11 patients

Fungal culture, yeast 87106

A fungal culture for yeast is a lab test performed to detect and identify fungi or yeast causing an infection. A sample from the affected area is taken and sent to a lab. There, it's placed in conditions that encourage fungal growth. It helps in diagnosing fungal infections and determining the most effective treatment.

19 services17 patients

Crystal identification from tissue or body fluid 89060

Crystal identification from tissue or body fluid is a medical test that helps identify the presence of certain substances in the body. It involves analyzing samples from your body to detect crystals that may indicate health conditions like gout or kidney stones.

18 services17 patients

Liver function blood test panel 80076

16 services15 patients

Digoxin level, total 80162

A total Digoxin level test measures the amount of Digoxin, a heart medication, in your blood. It helps to ensure the drug is at a therapeutic level, enhancing heart function without causing side effects. Too much or too little can be harmful.

16 services14 patients

Coagulation function measurement, d-dimer; quantitative 85379

A quantitative D-dimer test measures the amount of D-dimer, a protein fragment, in your blood. This test helps detect abnormal blood clotting. D-dimer levels can rise in conditions where clots are forming and breaking down, such as deep vein thrombosis or pulmonary embolism.

16 services12 patients

Thyroxine (thyroid chemical), total 84436

A Thyroxine (thyroid chemical) total test measures the amount of thyroxine, a hormone produced by your thyroid gland, in your blood. This hormone helps regulate your body's metabolism. The test can help diagnose thyroid disorders, such as hypothyroidism or hyperthyroidism.

15 services13 patients

Vitamin d-3 level 82306

14 services11 patients

Cyanocobalamin (vitamin b-12) level 82607

14 services13 patients

Ferritin (blood protein) level 82728

14 services12 patients

Lactic acid level 83605

A lactic acid level test measures the amount of lactic acid in your blood. This substance is produced when oxygen levels in your body are low, typically during intense exercise. However, high levels could indicate a problem with your body's metabolism or a lack of oxygen.

14 services12 patients

Transferrin (iron binding protein) level 84466

14 services12 patients

Stool culture 87045

A stool culture is a laboratory test that checks for harmful bacteria or other organisms in your digestive tract. The test involves providing a stool sample. It helps identify infections that may cause problems like diarrhea or stomach pain.

14 services13 patients

Kidney function blood test panel 80069

A kidney function blood test panel checks how well your kidneys are working. It measures levels of various substances in your blood, including proteins, electrolytes, and waste products. The results can help detect potential kidney issues early.

13 services12 patients

Red blood cell sedimentation rate, to detect inflammation, automated 85652

13 services13 patients

Measurement c-reactive protein for detection of infection or inflammation 86140

13 services13 patients

Thyroid hormone, t3 measurement, total 84480

The T3 Total Test measures the amount of thyroid hormone T3 in your blood. This hormone, produced by the thyroid gland, is crucial for body's metabolism and energy production. Abnormal levels may indicate a thyroid disorder.

12 services11 patients

Screening test for antibody to noninfectious agent 86255

12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

82.4

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ANKIT BHUPENDRA PATEL D.O.

Radiology (Diagnostic Radiology)

101 THE CITY DR S
ORANGE, CA 92868

Orange County (714) 456-5113

DR. LAURA CATHERINE SKOCZYLAS MD

Obstetrics & Gynecology

101 THE CITY DR S, BUILDING 56, DEPARTMENT OF OB/GYN
ORANGE, CA 92868

Orange County (714) 456-8224

MICHAEL CHENG DO

Internal Medicine (Rheumatology)

101 THE CITY DR S
ORANGE, CA 92868

Orange County (714) 456-7110

AESTHETIC AND PLASTIC SURGERY INSTITUTE

Plastic Surgery

101 THE CITY DR S
ORANGE, CA 92868

Orange County (714) 456-2986

JOSEPH VILLARREAL M.D.

Emergency Medicine

101 THE CITY DR S, BUILDING 1A, ROOM 1009
ORANGE, CA 92868

Orange County (714) 456-5239

DEMI TRAN

Psychiatry & Neurology (Neurology)

101 THE CITY DR S, CITY TOWER, SUITE 400
ORANGE, CA 92868

Orange County (171) 456-6693

DR. ISABEL CARLTON CLARK M.D.

Surgery (Trauma Surgery)

101 THE CITY DR S
ORANGE, CA 92868

Orange County (714) 456-7890

DYLAN LUKATO

Emergency Medicine

101 THE CITY DR S
ORANGE, CA 92868

Orange County (415) 218-8041

HARRY NGUYEN D.O.

Internal Medicine (Hepatology)

101 THE CITY DR S
ORANGE, CA 92868

Orange County (714) 456-7002

MILLIE ARORA

Internal Medicine

101 THE CITY DR S, CITY TOWER, SUITE 400
ORANGE, CA 92868

Orange County (714) 456-5691

MIRANDA G IDEAL CRNA

Nurse Anesthetist, Certified Registered

101 THE CITY DR S
ORANGE, CA 92868

Orange County (714) 880-7812

MARYAM AHMADI MD

Pathology (Clinical Pathology/Laboratory Medicine)

101 THE CITY DR S
ORANGE, CA 92868

Orange County (714) 456-8888

DR. ELIANA LIZETH GARCIA MD

Student in an Organized Health Care Education/Training Program

101 THE CITY DR S
ORANGE, CA 92868

Orange County (714) 456-8224

DR. ANTONIO HALAIS FRANGIEH MD, MPH

Internal Medicine (Interventional Cardiology)

101 THE CITY DR S
ORANGE, CA 92868

Orange County (714) 456-7890

SABRINA YASMEEN MIR MD

Student in an Organized Health Care Education/Training Program

101 THE CITY DR S
ORANGE, CA 92868

Orange County (714) 456-5691

UC REGENTS

Internal Medicine (Allergy & Immunology)

101 THE CITY DR S
ORANGE, CA 92868

Orange County (714) 456-8068

UC REGENTS

Internal Medicine (Rheumatology)

101 THE CITY DR S
ORANGE, CA 92868

Orange County (714) 456-8068

MARK E WYLAM M.D.

Internal Medicine (Critical Care Medicine)

101 THE CITY DR S
ORANGE, CA 92868

Orange County (714) 456-7890

DR. LAWRENCE RICHARD FAZIOLA M.D.

Psychiatry & Neurology (Psychiatry)

101 THE CITY DR S, ROUTE 88
ORANGE, CA 92868

Orange County (714) 506-0693

SCOTT AU M.D.

Physical Medicine & Rehabilitation (Pain Medicine)

101 THE CITY DR S, BLDG 53 RM B3
ORANGE, CA 92868

Orange County (714) 456-6444

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sherif Rezk's NPI number?

The NPI number for Sherif Rezk is 1457557324. It was assigned to this individual provider in the NPPES registry on June 26, 2007.

Where is Sherif Rezk located?

Sherif Rezk practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-6411.

What is Sherif Rezk's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Sherif Rezk enrolled in Medicare?

Yes. Sherif Rezk is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Sherif Rezk was last updated on March 25, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.