Doctor profile · Federal record
Dr. William Chang, OD
Optometrist · San Gabriel, CA
- NPI 1629206834
- 17 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
417 S San Gabriel Blvd, Suite B
San Gabriel, CA 917761967
(626) 291-2020
fax (626) 585-2905
Credentials & registration
- NPI registered
- June 2009 — 17 yrs on file
- Profile last updated
- September 16, 2021
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- California #TLG13713
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629206834. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$227
Transactions
11
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Johnson & Johnson Vision Care, INC. | 10 | $206.20 | |
| Alcon Vision LLC | 1 | $20.70 |
By nature of payment
Frequently asked questions
What is Dr. William Chang's medical specialty?
Dr. William Chang practices Optometrist in San Gabriel, CA.
Where does Dr. William Chang practice?
Dr. William Chang practices at 417 S San Gabriel Blvd, San Gabriel, CA 917761967. Office phone: 6262912020.
What is Dr. William Chang's NPI?
Dr. William Chang's National Provider Identifier (NPI) is 1629206834, issued by NPPES.