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

NPPES Updated May 11, 2026
Primary practice
417 S SAN GABRIEL BLVD, SUITE B
SAN GABRIEL, CA 917761967
(626) 291-2020
fax (626) 585-2905

Credentials & registration

NPPES · NUCC
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

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629206834. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
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

Food and Beverage
$227

Methodology · sources used on this page

All figures on this page come from publicly available federal datasets. We do not edit, score, or summarise the underlying data. Profile generated May 21, 2026.

NPPES Provider identifiers and practice info May 11, 2026
Open Payments Industry payments to providers (Sunshine Act) May 11, 2026
Medicare Procedure Utilization Services and allowed amounts by HCPCS May 11, 2026
Medicare Part D Prescription drug claims May 11, 2026
CMS MIPS Quality performance scores May 11, 2026
OIG LEIE Federal exclusion / sanctions list May 11, 2026

Information based on publicly available federal data. Not medical advice. Report incorrect data ›