DR. WILLIAM JOSEPH JAWIEN MD
NPI 1417904020
Internal Medicine - Hematology & Oncology in Fresno, CA

Q: What is William Jawien's NPI number?

The NPI number for William Jawien is 1417904020. It was assigned to this individual provider in the NPPES registry on May 28, 2006.

Q: What is William Jawien's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for William Jawien was last updated on October 9, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 28, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

7130 N MILLBROOK AVE, FRESNO, CA 93720(559) 326-1222(559) 326-1225 Get Directions Write a Review

NPPES record last updated: October 9, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 9, 2025, Jan 27, 2020, Jul 26, 2018 (3 updates tracked since 2018).

On this page

About Dr. William Joseph Jawien Md NPPES

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

DR. WILLIAM JOSEPH JAWIEN MD (NPI 1417904020) is an individual hematology & oncology provider in Fresno, California, licensed in California (G74904) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Fresno, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1991).

NPPES Registry Identity

NPI1417904020

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. WILLIAM JOSEPH JAWIENCredential: MD

Location Address7130 N MILLBROOK AVEFresno, CA 93720-3347

Mailing AddressPo Box 25100Fresno, CA 93729-5100 · (559) 326-1222 · Fax (559) 421-7004

Phone(559) 326-1222

Fax(559) 326-1225

Sole ProprietorNo

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1991

Enumeration DateMay 28, 2006

Last NPPES UpdateOctober 9, 20253 updates tracked since enumeration

NPPES CertifiedOctober 9, 2025

✔ NPI 1417904020 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in CA · G74904

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

7130 N MILLBROOK AVE, Fresno, CA 93720

Open in Google Maps ↗

Secondary Practice Location 1

Location 11125 E Spruce Ave Ste 103Fresno, CA 93720-3387 · Phone (559) 878-4510 · Fax (559) 878-4515

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. William Joseph Jawien Md 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 ID2365459971

PECOS Enrollment IDI20060307000379

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 69

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.

Injection, darbepoetin alfa, 1 microgram (non-esrd use) J0881

Darbepoetin alfa injection is a medication used to treat anemia (low red blood cell count) often caused by chronic kidney disease or chemotherapy. It works by stimulating your body to produce more red blood cells, helping to increase your energy and well-being.

65,700 services70 patients

Injection, ferric carboxymaltose, 1 mg J1439

Ferric carboxymaltose is an iron supplement injection. It's given when your body needs more iron than you can consume through diet, like in anemia. The injection is administered by a healthcare professional into a vein.

33,000 services33 patients

Injection, nivolumab, 1 mg J9299

Nivolumab is a medication given via injection, often used in cancer treatment. It works by helping your immune system fight the cancer cells. The dosage is measured in milligrams (mg), with 1 mg being a common dose.

23,040 services15 patients

Injection, testosterone cypionate, 1 mg J1071

Testosterone cypionate is a medication given via injection to help balance hormone levels in your body. It's typically used when your body doesn't produce enough of this hormone naturally. The 1 mg dose refers to the amount of medication in each injection.

12,050 services16 patients

Injection, aprepitant, 1 mg J0185

Aprepitant injection is a medication used to prevent nausea and vomiting caused by chemotherapy. It works by blocking certain substances in the brain that trigger these symptoms. The dosage is based on your medical condition and response to treatment.

11,700 services31 patients

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

6,840 services33 patients

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

6,482 services65 patients

Injection, ferric derisomaltose, 10 mg J1437

Ferric derisomaltose is an iron replacement product. It's given as an injection to treat iron deficiency anemia, a condition where the body lacks enough iron. The injection helps increase iron in your body to healthy levels.

4,800 services42 patients

Injection, granisetron, extended-release, 0.1 mg J1627

Granisetron extended-release injection is a medication that helps prevent nausea and vomiting often caused by cancer treatments like chemotherapy. It's administered under the skin and slowly releases the drug over time to provide long-lasting effects.

4,700 services20 patients

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

1,916 services66 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.

1,556 services396 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.

1,484 services391 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

1,203 services425 patients

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.

1,026 services348 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

928 services257 patients

Injection, palonosetron hcl, 25 mcg J2469

Palonosetron HCL is an injection used to prevent nausea and vomiting caused by chemotherapy. It works by blocking a natural substance (serotonin) in the body that can cause vomiting. This helps improve your comfort during cancer treatment.

700 services24 patients

Injection, magnesium sulfate, per 500 mg J3475

Magnesium sulfate injection, per 500 mg, is a medication administered to manage certain health conditions. It aids in controlling seizures in conditions like eclampsia and in managing severe asthma attacks. It's also used to prevent premature labor in pregnant women.

692 services14 patients

Injection, leucovorin calcium, per 50 mg J0640

Leucovorin calcium is an injection given to enhance the effectiveness of certain cancer treatments or to reduce the harmful effects of some medications. The dose is determined by your doctor and is typically administered in a healthcare setting.

601 services17 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.

433 services194 patients

Iron binding capacity 83550

Iron binding capacity is a blood test that measures how well your body can bind and transport iron. This helps your healthcare provider assess if your body has too little or too much iron, which can indicate certain health conditions.

432 services194 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.

431 services194 patients

Injection, fluorouracil, 500 mg J9190

Fluorouracil is a chemotherapy drug, given as an injection to treat various types of cancer. The 500 mg dose helps to stop cancer cells from growing and multiplying. You might feel some side effects, but these are typically manageable.

394 services17 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

389 services94 patients

Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg J3420

This is a procedure where a small dose of Vitamin B-12, also known as Cyanocobalamin, is injected into your body. This vitamin is essential for nerve function and the production of red blood cells. It's often used to treat vitamin B-12 deficiency.

319 services89 patients

Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less 96367

This procedure involves injecting fluids or medication directly into your vein. It's used for treatment, prevention, or diagnosis. An additional sequential infusion may be given within an hour if needed. This helps to ensure the medicine is distributed effectively in your body.

312 services86 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

300 services147 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.

260 services122 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

221 services64 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

213 services102 patients

Principal care management services for a single high-risk disease, first 30 minutes of clinical staff time directed by health care professional, per calendar month 99426

Principal care management services focus on managing a single high-risk disease. This involves a health care professional directing clinical staff for the first 30 minutes each month. The aim is to monitor your health, coordinate care, and provide necessary support for your disease management.

178 services35 patients

Injection, carboplatin, 50 mg J9045

Carboplatin is a chemotherapy drug used to treat various types of cancer by slowing or stopping the growth of cancer cells. The 50 mg injection is administered into a vein by a healthcare professional. Side effects may occur.

175 services13 patients

Unclassified drugs J3490

Unclassified drugs are medications that don't fit into an existing category or class due to their unique properties or uses. They may be used for various conditions and their effects may differ widely. Always ask your healthcare provider for more information about these drugs.

165 services60 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.

152 services45 patients

Administration of additional new drug or substance into vein, 1 hour or less 96417

This procedure involves introducing a new drug or substance into your vein, typically via an IV drip. It lasts for an hour or less. This method allows the substance to quickly reach your bloodstream, ensuring rapid and effective treatment.

141 services39 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

135 services113 patients

Electrophoresis, laboratory testing technique 82664

Electrophoresis is a lab technique that separates molecules like DNA, proteins, or RNA based on size and charge. It's like a race: smaller or more charged molecules move faster through a gel. This helps identify, quantify, and purify these molecules for further analysis.

134 services75 patients

Injection, diphenhydramine hcl, up to 50 mg J1200

Diphenhydramine HCL injection is a medicine given to alleviate symptoms of allergies, colds, or hay fever. It can also help with motion sickness and certain symptoms of Parkinson's disease. Up to 50 mg may be administered depending on your condition.

133 services35 patients

Injection of additional new drug or substance into vein 96375

This procedure involves introducing a new medication or substance into your bloodstream via a vein. It's typically done using a small needle. The substance can help treat various conditions or assist in diagnostic procedures. It's generally safe and monitored by professionals.

129 services38 patients

Carcinoembryonic antigen (cea) protein level 82378

Carcinoembryonic Antigen (CEA) protein level is a blood test often used in cancer care. It measures the amount of CEA protein in your blood, which can increase in cases of certain types of cancer. It's used to monitor treatment progress and check for cancer recurrence.

124 services33 patients

Nuclear medicine study from skull base to mid-thigh with ct scan 78815

A nuclear medicine study from skull base to mid-thigh with a CT scan involves using a small amount of radioactive material and CT imaging to examine body tissues and organs. This helps detect any abnormalities by providing detailed images of the body's internal structure.

112 services61 patients

Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle 96402

This procedure involves the injection of hormone-based anti-cancer drugs under the skin or into a muscle. These medications help to slow down or stop the growth of certain types of cancer cells. The process is usually quick and can be performed in a clinic or hospital.

102 services21 patients

Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries A9552

Fluorodeoxyglucose F-18 FDG is a radioactive drug used in PET scans. It helps doctors see how your tissues and organs are functioning. The drug is given in a specific dose, up to 45 millicuries, depending on your body size and the type of scan.

102 services54 patients

Administration of chemotherapy into vein, each additional hour 96415

Chemotherapy is a treatment method that uses drugs to destroy cancer cells. The drugs are administered into a vein, usually in the arm. Each additional hour of chemotherapy allows for more of the medication to enter your bloodstream to fight against the cancer cells.

86 services28 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

82 services18 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.

77 services15 patients

Infusion into a vein for therapy, prevention, or diagnosis, each additional hour 96366

This procedure involves delivering medication, fluids, or nutrients directly into your vein. This is done to treat, prevent, or diagnose various conditions. Each additional hour refers to the extended time you may need to receive these substances for optimal results.

73 services27 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.

72 services20 patients

Psa (prostate specific antigen) measurement, total 84153

PSA measurement is a simple blood test that checks for a specific protein produced by your body. High levels could indicate a health issue that needs further investigation. It's often used to monitor general wellness and is part of routine health screening.

71 services24 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.

69 services61 patients

Immunologic analysis for detection of tumor antigen, quantitative; ca 15-3 86300

This is a blood test that measures the level of CA 15-3, a protein often higher in individuals with certain types of cancer. It helps monitor response to treatment and check for cancer recurrence. It's not a standalone diagnostic test but used alongside other evaluations.

68 services19 patients

Injection, alteplase recombinant, 1 mg J2997

Alteplase recombinant is a medication given by injection. It's a clot-busting drug used to treat conditions like strokes or heart attacks by dissolving blood clots that block blood flow. The dose is typically 1 mg. It's crucial to administer it quickly after symptoms appear.

68 services17 patients

Administration of additional new drug or substance into vein using push technique 96411

This procedure involves injecting a new medication or substance directly into your vein using a method called the 'push' technique. It's a quick way to deliver medication into your bloodstream for fast-acting relief or treatment.

63 services16 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.

62 services26 patients

Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401

This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.

61 services15 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

56 services44 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

50 services42 patients

Administration of prolonged chemotherapy into vein 96416

Chemotherapy is a treatment using drugs to destroy cancer cells. Prolonged chemotherapy into a vein involves the slow infusion of these drugs directly into your bloodstream over an extended period. This method ensures a continuous and effective dose to combat your cancer cells.

49 services17 patients

Infusion into a vein for therapy, prevention, or diagnosis concurrent with another infusion 96368

An infusion into a vein is a method of delivering medication, nutrients, or fluids directly into your bloodstream. If it's concurrent with another infusion, it means two different solutions are given at the same time. This can be for treatment, prevention, or diagnostic purposes.

39 services13 patients

Declotting of central venous tube 36593

Declotting of a central venous tube is a procedure to remove blockages caused by blood clots in your central venous tube. This tube is used to deliver medications or nutrients directly into your bloodstream. The process ensures the smooth functioning of your tube.

38 services17 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.

38 services36 patients

Alpha-fetoprotein (afp) level, serum 82105

An Alpha-fetoprotein (AFP) level, serum test is a blood test that measures the amount of AFP in your blood. AFP is a protein normally made by the liver and yolk sac of a fetus. High levels can indicate certain health conditions.

36 services11 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

26 services26 patients

Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

25 services15 patients

Red blood count, automated test 85045

An automated red blood count test is a routine lab procedure to measure the number of red blood cells in your blood. These cells carry oxygen throughout the body. The test helps assess overall health and detect conditions like anemia or polycythemia.

22 services22 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

22 services22 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

21 services12 patients

Stool analysis for blood, by peroxidase activity 82272

A stool analysis for blood, by peroxidase activity, is a test to detect blood in your stool. This test helps identify bleeding in the digestive tract. It involves collecting a stool sample, which is then checked for the presence of blood using a chemical reaction.

20 services19 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

20 services20 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93720 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

$176.60 typical visit price

range $58.87 – $176.60

Typical copayment $44.15 (range $14.71 – $44.15)

Most-billed visit code 99205

Established Patient

$103.36 typical visit price

range $19.28 – $144.60

Typical copayment $25.84 (range $4.82 – $36.15)

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 as part of a group practice

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4034

Other-Enteral and Parenteral · category OB006N

1 supplier11 claims330 services$2.63 avg. paid by Medicare

Capecitabine, oral, 150 mg J8520

Treatment-Treatment - Miscellaneous · category RX029N

1 supplier22 claims704 services$0.38 avg. paid by Medicare

Capecitabine, oral, 500 mg J8521

Treatment-Treatment - Miscellaneous · category RX029N

1 supplier33 claims2,700 services$0.74 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

1 supplier15 claims15 services$18.97 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

1 supplier40 claims40 services$12.65 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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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.

DEXTER T ESTRADA M.D.

Internal Medicine (Hematology & Oncology)

7130 N MILLBROOK AVE
FRESNO, CA 93720

Fresno County (559) 326-1222

VIVIAN YVETTE KLANN N.P.

Nurse Practitioner (Family)

7130 N MILLBROOK AVE
FRESNO, CA 93720

Fresno County (559) 326-1222

DR. DAVID JAMES KOSTER M.D.

Internal Medicine (Hematology & Oncology)

7130 N MILLBROOK AVE, SUITE 100
FRESNO, CA 93720

Fresno County (559) 326-1238

MS. CASANDRA ANDERSON MD

Surgery

7130 N MILLBROOK AVE
FRESNO, CA 93720

Fresno County (559) 326-1222

MRS. ANDREA YVETTE AVILA L.C.S.W.

Social Worker (Clinical)

7130 N MILLBROOK AVE
FRESNO, CA 93720

Fresno County (559) 326-1222

ALLISON MONTERO PA

Physician Assistant

7130 N MILLBROOK AVE
FRESNO, CA 93720

Fresno County (559) 326-1222

OLIVIA LEEANN KAHN

Nurse Practitioner

7130 N MILLBROOK AVE
FRESNO, CA 93720

Fresno County (559) 326-1222

SACHIN GUPTA M.D.

Internal Medicine (Hematology & Oncology)

7130 N MILLBROOK AVE
FRESNO, CA 93720

Fresno County (559) 326-1222

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 William Jawien's NPI number?

The NPI number for William Jawien is 1417904020. It was assigned to this individual provider in the NPPES registry on May 28, 2006.

Where is William Jawien located?

William Jawien practices at 7130 N Millbrook Ave, Fresno, CA 93720. The listed phone number is (559) 326-1222.

What is William Jawien's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is William Jawien enrolled in Medicare?

Yes. William Jawien 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 William Jawien was last updated on October 9, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.