Doctor profile · Federal record
Dr. William Wallace, MD
Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Los Angeles, CA
- NPI 1245269943
- Accepts Medicare
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1500 San Pablo St
Los Angeles, CA 900335313
(323) 442-2582 - Mailing address
-
Po Box 31309
Los Angeles, CA 900310309
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- November 27, 2023
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State license (1)
- California #A77909
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1245269943. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,310
Distinct HCPCS
10
Medicare allowed
$77,163
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88312 |
Special stained specimen slides to identify organisms including interpretation and report | 527 | 68 | $28 | |
88350 |
Antibody evaluation, each additional single antibody stain procedure | 494 | 49 | $31 | |
88313 |
Special stained specimen slides to examine tissue including interpretation and report | 331 | 111 | $13 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 245 | 180 | $39 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 152 | 122 | $37 | |
88108 |
Cell examination of specimen, concentration technique | 109 | 48 | $23 | |
88307 |
Pathology examination of tissue using a microscope, moderately high complexity | 104 | 44 | $87 | |
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 93 | 35 | $30 | |
88346 |
Antibody evaluation, initial single antibody stain procedure | 66 | 55 | $38 | |
88348 |
Electron microscopy for diagnosis | 49 | 41 | $82 |
In context: peer comparison
Among 54 peers in Los Angeles Anatomic Pathology & Clinical Pathology Physician, average services per provider: 159. This provider delivers 15× the peer median.Frequently asked questions
What is Dr. William Wallace's medical specialty?
Dr. William Wallace practices Anatomic Pathology & Clinical Pathology Physician in Los Angeles, CA.
Where does Dr. William Wallace practice?
Dr. William Wallace practices at 1500 San Pablo St, Los Angeles, CA 900335313. Office phone: 3234422582.
What is Dr. William Wallace's NPI?
Dr. William Wallace's National Provider Identifier (NPI) is 1245269943, issued by NPPES.
Does Dr. William Wallace accept Medicare assignment?
Yes. Dr. William Wallace accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Wallace commonly perform?
Top Medicare-reported procedures in 2023: Special stained specimen slides to identify organisms including interpretation and report (HCPCS 88312); Antibody evaluation, each additional single antibody stain procedure (HCPCS 88350); Special stained specimen slides to examine tissue including interpretation and report (HCPCS 88313). Source: CMS Medicare Physician & Other Practitioners file.