Doctor profile · Federal record
Dr. William Wu, M.D., PH.D.
Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Anatomic Pathology & Clinical Pathology Physician · Ontario, CA
- NPI 1720370109
- Accepts Medicare
- 18 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2295 S Vineyard Ave
Ontario, CA 917617925
(909) 724-3530
fax (909) 724-3535 - Additional location
-
9961 Sierra Ave
Fontana, CA 923356720
(909) 302-8488
fax (909) 302-8470
Credentials & registration
- NPI registered
- May 2011 — 15 yrs on file
- Profile last updated
- April 14, 2022
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State licenses (2)
- California #A116068 · New York #267829
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720370109. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
557
Distinct HCPCS
10
Medicare allowed
$3,794
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
82565 |
Blood creatinine level | 72 | 47 | $5 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 68 | 31 | $8 | |
82247 |
Bilirubin level, total | 59 | 37 | $5 | |
81003 |
Automated urinalysis test | 57 | 35 | $2 | |
80051 |
Blood test panel for electrolytes (sodium potassium, chloride, carbon dioxide) | 56 | 39 | $7 | |
84460 |
Liver enzyme (sgpt), level | 50 | 34 | $5 | |
84075 |
Phosphatase (enzyme) level, alkaline | 43 | 31 | $5 | |
84520 |
Urea nitrogen level to assess kidney function, quantitative | 33 | 24 | $4 | |
84450 |
Liver enzyme (sgot), level | 27 | 16 | $5 | |
84484 |
Troponin (protein) analysis, quantitative | 22 | 21 | $12 |
In context: peer comparison
Among 1 peers in Ontario Anatomic Pathology & Clinical Pathology Physician, average services per provider: 39. This provider delivers 14× the peer median.Frequently asked questions
What is Dr. William Wu's medical specialty?
Dr. William Wu practices Anatomic Pathology & Clinical Pathology Physician in Ontario, CA.
Where does Dr. William Wu practice?
Dr. William Wu practices at 2295 S Vineyard Ave, Ontario, CA 917617925. Office phone: 9097243530.
What is Dr. William Wu's NPI?
Dr. William Wu's National Provider Identifier (NPI) is 1720370109, issued by NPPES.
Does Dr. William Wu accept Medicare assignment?
Yes. Dr. William Wu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Wu commonly perform?
Top Medicare-reported procedures in 2023: Blood creatinine level (HCPCS 82565); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025); Bilirubin level, total (HCPCS 82247). Source: CMS Medicare Physician & Other Practitioners file.