QUEST DIAGNOSTICS LLC
NPI 1174569909
Clinical Medical Laboratory in Wallingford, CT

Q: What is Quest Diagnostics LLC's NPI number?

The NPI number for Quest Diagnostics LLC is 1174569909. It was assigned to this organization in the NPPES registry on June 21, 2006.

Q: What is Quest Diagnostics LLC's specialty?

The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.

Active since June 21, 2006CLIA 07D0093126 · Certificate of Compliance

3 STERLING DR, WALLINGFORD, CT 06492(800) 982-6810 Get Directions Write a Review

NPPES record last updated: February 12, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 4, 2022, Dec 4, 2018, Mar 14, 2018 (3 updates tracked since 2018).

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About Quest Diagnostics Llc NPPES

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

QUEST DIAGNOSTICS LLC (NPI 1174569909) is a healthcare organization registered as a clinical medical laboratory in Wallingford, Connecticut and active in the NPI registry since June 2006. The organization holds a CLIA Certificate of Compliance certificate valid through May 2, 2027 and lists Charles Albert Bowles, Sr. Vice President, as its authorized official.

NPPES Registry Identity

NPI1174569909

Entity TypeOrganization

Primary Taxonomy291U00000X

Legal Business NameQUEST DIAGNOSTICS LLC

Location Address3 STERLING DRWallingford, CT 06492-5915

Mailing Address14275 Midway Rd Ste 400Addison, TX 75001-3661 · (774) 843-3062 · Fax (610) 271-4245

Phone(800) 982-6810

Organization SubpartYesParent: Quest Diagnostics Incorporated

Authorized OfficialCharles Albert BowlesSr. Vice President · (610) 454-4122

Enumeration DateJune 21, 2006

Last NPPES UpdateFebruary 12, 20243 updates tracked since enumeration

NPPES CertifiedFebruary 12, 2024

✔ NPI 1174569909 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical Medical LaboratoryLaboratories

Taxonomy Code291U00000X

License✔ Licensed in CT · 07D0093126

Definition

(1) A clinical laboratory is a facility for the biological, microbiological, serological, chemical, immunohematological, hematological, biophysical, cytological, pathological, or other examination of materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, human beings. These examinations also include procedures to determine, measure, or otherwise describe the presence or absence of various substances or organisms in the body. Facilities only collecting or preparing specimens (or both) or only serving as a mailing service and not performing testing are not considered clinical laboratories. (2) Any facility that examines materials from the human body for purposes of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, or the assessment of, the health of human beings. Typical divisions of a clinical laboratory include hematology, cytology, bacteriology, histology, biochemistry, medical toxicology, and serology.

3 STERLING DR, Wallingford, CT 06492

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Kansas, Inc., BlueCross BlueShield of South Carolina, CHRISTUS Health Plan and more.Insurance ›

CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 07D0093126

Quest Diagnostics, LLC · Wallingford, CT

Active · expires May 2, 2027

CLIA Number07D0093126

Laboratory TypeIndependent

Certificate Effective DateMay 3, 2025

Certificate Expiration DateMay 2, 2027

Laboratory DirectorSalim Kabawat

Laboratory Phone(203) 949-5500

Laboratory LocationQuest Diagnostics, LLC3 Sterling Drive, Wallingford, CT 06492

CLIA data matches this NPI record on: Address Name

This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Certificate of Compliance 07D2133460

Quest Diagnostics · Wallingford, CT

Expired · Jul 4, 2026

CLIA Number07D2133460

Laboratory TypeIndependent

Certificate Effective DateJuly 5, 2024

Certificate Expiration DateJuly 4, 2026

Laboratory DirectorCarlene Wong

Laboratory Phone(203) 439-4116

Laboratory LocationQuest Diagnostics930 North Colony Rd, Wallingford, CT 06492

CLIA data matches this NPI record on: Name

This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Areas of Expertise CMS Part B claims 58

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.

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.

12,670 services3,648 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.

8,819 services4,521 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.

7,973 services2,206 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.

6,400 services4,337 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.

4,162 services2,152 patients

Travel allowance one way in connection with medically necessary laboratory specimen collection drawn from home bound or nursing home bound patient; prorated trip charge P9604

This service involves a healthcare professional traveling to collect necessary lab samples from patients who are homebound or in a nursing home. The travel allowance is a partial charge for the trip made to facilitate this service. It ensures medical care accessibility for all, regardless of mobility.

3,870 services1,112 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.

1,750 services1,158 patients

Travel allowance one way in connection with medically necessary laboratory specimen collection drawn from home bound or nursing home bound patient; prorated trip charge P9604

1,568 services472 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.

1,536 services1,201 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.

1,381 services811 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.

749 services390 patients

Smear for parasites 87177

A smear for parasites is a diagnostic test where a small sample of your stool is taken. The sample is then examined under a microscope to check for the presence of parasites or their eggs. It helps in identifying any parasitic infections that might be causing your symptoms.

735 services668 patients

Special stain for parasites 87209

A special stain for parasites is a lab procedure that helps identify parasites in your body. It involves applying specific dyes to a sample, usually stool or blood. These dyes make parasites easier to spot under a microscope, aiding in diagnosis and treatment planning.

735 services668 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.

665 services564 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.

491 services372 patients

Bilirubin level, direct 82248

A direct bilirubin test measures a form of bilirubin in your blood. Bilirubin is a substance produced during the normal breakdown of red blood cells. High levels may indicate liver or blood disorders. This test helps diagnose and monitor these conditions.

379 services293 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.

331 services204 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.

306 services249 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.

302 services182 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.

295 services187 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.

289 services191 patients

Urea nitrogen level to assess kidney function, quantitative 84520

The urea nitrogen level test is a routine blood test that checks the amount of urea nitrogen in your blood to evaluate how well your kidneys are working. If the levels are higher than normal, it may indicate that your kidneys are not functioning properly.

199 services104 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.

197 services160 patients

Calcium level, total 82310

A total calcium level test measures the amount of calcium in your blood. Calcium is essential for body functions like bone formation, nerve signal transmission, and muscle contraction. Abnormal levels may indicate conditions like bone disease or kidney disorders.

180 services85 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.

159 services107 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.

140 services115 patients

Blood test panel for electrolytes (sodium potassium, chloride, carbon dioxide) 80051

A blood test panel for electrolytes checks the levels of sodium, potassium, chloride, and carbon dioxide in your blood. These elements are crucial for body functions such as maintaining fluid balance, muscle contractions, and heart rhythm. The test helps identify any imbalances.

133 services57 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.

124 services84 patients

Liver enzyme (sgpt), level 84460

A liver enzyme (SGPT) level test is a blood test that checks the health of your liver. SGPT is an enzyme found in your liver cells. If your liver is damaged or inflamed, SGPT can leak into your bloodstream, raising the enzyme level. This test helps identify liver diseases early.

118 services90 patients

Liver enzyme (sgot), level 84450

A Liver Enzyme (SGOT) Level test is a simple blood test used to measure the amount of certain enzymes in your blood. These enzymes are normally found in liver cells. If the liver is damaged or diseased, these enzymes can leak into your bloodstream, indicating potential liver issues.

113 services84 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.

97 services89 patients

Carbamazepine level, total 80156

A Carbamazepine level, total is a blood test that checks the amount of carbamazepine, a medication used to control seizures and certain types of nerve pain, in your body. This helps ensure the dose is effective and safe.

94 services47 patients

Amylase (enzyme) level 82150

Amylase is an enzyme that helps break down starches into sugars during digestion. An amylase level test measures the amount of this enzyme in your blood or urine. This test helps identify conditions like pancreatitis or other digestive issues.

91 services71 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.

84 services28 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.

84 services74 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.

81 services44 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.

79 services42 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

66 services64 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.

64 services52 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.

61 services49 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.

56 services33 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.

56 services23 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.

43 services34 patients

Prolactin (milk producing hormone) level 84146

A prolactin level test measures the amount of a hormone, prolactin, in your blood. This hormone plays a role in many bodily functions, such as the creation of milk. High or low levels can indicate certain health conditions. The test involves a simple blood draw.

43 services34 patients

Blood glucose (sugar) level 82947

A blood glucose level test measures the amount of sugar in your blood. It's often used to monitor and manage conditions like diabetes. High or low levels can indicate a health issue. The test is usually done by pricking your finger for a small blood sample.

42 services36 patients

Complete (cbc), automated (hgb, hct, rbc, wbc; without platelet count) G0307

A Complete Blood Count (CBC) is a common test that evaluates your overall health by measuring different cells in your blood. It includes Hemoglobin (Hgb), Hematocrit (Hct), Red Blood Cells (RBC), and White Blood Cells (WBC). However, this version does not count your platelets.

41 services37 patients

Glutamyltransferase (liver enzyme) level 82977

Glutamyltransferase (GGT) level is a blood test that helps check your liver's health. High GGT levels may indicate liver disease or damage. The test involves a simple blood draw and results help your doctor understand your liver's condition better.

38 services32 patients

Phosphatase (enzyme) level, alkaline 84075

The Alkaline Phosphatase Level test measures the amount of alkaline phosphatase, an enzyme, in your blood. High or low levels can indicate a variety of health conditions, such as liver disease or bone disorders. It's a common test done to help diagnose and monitor these conditions.

37 services28 patients

Platelet count, automated test 85049

An automated platelet count test is a blood test that measures the number of platelets, which are small blood cells that help in clotting. This test helps doctors assess your body's ability to form clots and stop bleeding, and can aid in diagnosing various conditions.

32 services25 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.

27 services23 patients

Blood sodium level 84295

A blood sodium level test measures the amount of sodium, a vital mineral, in your blood. It helps assess your body's water levels and the function of your nerves and muscles. Abnormal levels may indicate conditions like dehydration, kidney disease, or hormonal imbalances.

26 services20 patients

Urinalysis using microscope 81015

Urinalysis with a microscope is a test that helps detect issues in your body. A small sample of your urine is examined under a microscope. This allows the detection of substances not visible to the naked eye, aiding in diagnosing various health conditions.

24 services23 patients

Complete cbc, automated (hgb, hct, rbc, wbc, without platelet count) and automated wbc differential count G0306

A Complete CBC (Complete Blood Count) is a test that measures different parts of your blood. It includes measuring your hemoglobin (Hgb), hematocrit (Hct), red blood cells (RBC), and white blood cells (WBC) but not your platelets. An automated WBC differential count further analyzes the types of white blood cells in your blood.

19 services17 patients

Gonadotropin, luteinizing (reproductive hormone) level 83002

This is a blood test that measures the level of luteinizing hormone (LH). LH plays a key role in body growth and development. It's important for the proper functioning of certain glands. Irregular levels can indicate potential health issues.

16 services15 patients

Bilirubin level, total 82247

A total bilirubin level test is a blood test that helps check how well your liver is functioning. It measures bilirubin, a yellow substance your body creates when it breaks down red blood cells. High levels may indicate a problem with your liver or bile duct.

15 services13 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.

15 services15 patients

Gonadotropin, follicle stimulating (reproductive hormone) level 83001

This is a test that measures the level of a hormone in your body known as follicle stimulating hormone (FSH). FSH plays a key role in the body's reproductive processes. It's important for growth and the healthy functioning of the body.

12 services11 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.

11 services11 patients

Other Providers at the Same Location NPPES

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

DR. NEENA SINGH M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

3 STERLING DR
WALLINGFORD, CT 06492

South Central Connecticut Planning Region (203) 949-5500

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 Quest Diagnostics LLC's NPI number?

The NPI number for Quest Diagnostics LLC is 1174569909. It was assigned to this organization in the NPPES registry on June 21, 2006.

Where is Quest Diagnostics LLC located?

Quest Diagnostics LLC is located at 3 Sterling Dr, Wallingford, CT 06492. The listed phone number is (800) 982-6810.

What is Quest Diagnostics LLC's specialty?

The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.

Does Quest Diagnostics LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 07D0093126) is associated with this NPI, valid through May 2, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Quest Diagnostics LLC accept?

Health plans from Blue Cross and Blue Shield of Kansas, Inc., BlueCross BlueShield of South Carolina, CHRISTUS Health Plan, Harvard Pilgrim Health Care and InStil Health and 2 other insurers list Quest Diagnostics LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Quest Diagnostics LLC was last updated on February 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.