Doctor profile · Federal record
Dr. William Yong, MD
Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Specialist · Los Angeles, CA
- NPI 1578560520
- Accepts Medicare
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
10833 le Conte Ave, Chs B-186
Los Angeles, CA 900953075
(310) 794-1355 - Mailing address
-
5767 W. Century Blvd, #400
Los Angeles, CA 900455655
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- November 30, 2010
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State license (1)
- California #G81305
- Medicaid
- CA #00G813050
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578560520. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
934
Distinct HCPCS
10
Medicare allowed
$33,344
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88350 |
Antibody evaluation, each additional single antibody stain procedure | 262 | 28 | $31 | |
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 121 | 38 | $30 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 109 | 74 | $40 | |
88313 |
Special stained specimen slides to examine tissue including interpretation and report | 102 | 27 | $13 | |
88307 |
Pathology examination of tissue using a microscope, moderately high complexity | 76 | 49 | $88 | |
88311 |
Preparation of tissue for examination by removing any calcium present | 72 | 40 | $13 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 51 | 45 | $37 | |
88314 |
Special stained specimen slides to examine tissue and frozen preparation of specimen including interpretation and report | 31 | 28 | $22 | |
88346 |
Antibody evaluation, initial single antibody stain procedure | 31 | 28 | $38 | |
88348 |
Electron microscopy for diagnosis | 31 | 28 | $83 |
In context: peer comparison
Among 54 peers in Los Angeles Anatomic Pathology & Clinical Pathology Physician, average services per provider: 159. This provider delivers 5.9× the peer median.Frequently asked questions
What is Dr. William Yong's medical specialty?
Dr. William Yong practices Anatomic Pathology & Clinical Pathology Physician in Los Angeles, CA.
Where does Dr. William Yong practice?
Dr. William Yong practices at 10833 le Conte Ave, Los Angeles, CA 900953075. Office phone: 3107941355.
What is Dr. William Yong's NPI?
Dr. William Yong's National Provider Identifier (NPI) is 1578560520, issued by NPPES.
Does Dr. William Yong accept Medicare assignment?
Yes. Dr. William Yong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Yong commonly perform?
Top Medicare-reported procedures in 2023: Antibody evaluation, each additional single antibody stain procedure (HCPCS 88350); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305). Source: CMS Medicare Physician & Other Practitioners file.