DR. WILLIAM W. WU M.D., PH.D.
NPI 1720370109
Pathology - Anatomic Pathology & Clinical Pathology in Ontario, CA

Q: What is William Wu's NPI number?

The NPI number for William Wu is 1720370109. It was assigned to this individual provider in the NPPES registry on May 4, 2011.

Q: What is William Wu'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 William Wu was last updated on April 14, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 May 04, 2011PECOS EnrolledAccepts Medicare Assignment

2295 S VINEYARD AVE, ONTARIO, CA 91761(909) 724-3530(909) 724-3535 Get Directions Write a Review

NPPES record last updated: April 14, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 14, 2022, Dec 3, 2021 (2 updates tracked since 2021).

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About Dr. William W. Wu M.d., Ph.d. NPPES

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

DR. WILLIAM W. WU M.D., PH.D. (NPI 1720370109) is an individual anatomic pathology & clinical pathology provider in Ontario, California, licensed in California (A116068) and active in the NPI registry since May 2011. He is enrolled in Medicare PECOS, maintains a secondary practice location in Fontana, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1720370109

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameDR. WILLIAM W. WUCredential: M.D., PH.D.

Location Address2295 S VINEYARD AVEOntario, CA 91761-7925

Mailing Address2295 S Vineyard AveOntario, CA 91761-7925 · (909) 724-3530 · Fax (909) 724-3535

Phone(909) 724-3530

Fax(909) 724-3535

Sole ProprietorNo

Medical School CMSOtherGraduated 2008

Enumeration DateMay 4, 2011

Last NPPES UpdateApril 14, 20222 updates tracked since enumeration

NPPES CertifiedApril 14, 2022

✔ NPI 1720370109 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

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

Taxonomy Code207ZP0102X

Licenses✔ Licensed in CA · A116068✔ Licensed in NY · 267829

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.

2295 S VINEYARD AVE, Ontario, CA 91761

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Secondary Practice Location 1

Location 19961 Sierra AveFontana, CA 92335-6720 · Phone (909) 302-8488 · Fax (909) 302-8470

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 W. Wu M.d., Ph.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 ID9133435662

PECOS Enrollment IDI20150828002247

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 16

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 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.

108 services60 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.

72 services33 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.

71 services41 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.

70 services47 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.

61 services36 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.

56 services35 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.

47 services25 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.

38 services17 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.

38 services31 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.

35 services23 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.

26 services23 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.

22 services17 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.

18 services17 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

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.

12 services12 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.

12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91761 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

$136.04 typical visit price

range $59.60 – $179.42

Typical copayment $34.01 (range $14.90 – $44.85)

Most-billed visit code 99204

Established Patient

$104.64 typical visit price

range $19.37 – $146.42

Typical copayment $26.16 (range $4.84 – $36.60)

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.

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. BENJAMIN MAURICE KERSHBERG M.D.

Pediatrics

2295 S VINEYARD AVE, MOB A
ONTARIO, CA 91761

San Bernardino County (909) 724-2554

MS. CHRISTINE RAMOS PHARM.D.

Pharmacist