Doctor profile · Federal record

Dr. Leon Chang, D.D.S.

General Practice Dentistry · Union City, CA

  • NPI 1982868949
  • 18 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
33800 Alvarado Niles RD, Suite 6
Union City, CA 945874359
(510) 489-4660

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Specialty taxonomy
1223G0001X — NUCC code
State license (1)
California #46764

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982868949. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$40
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Align Technology, Inc. 2 $26.16
Philips North America LLC 1 $13.59

By nature of payment

Food and Beverage
$40

Frequently asked questions

Auto-generated from federal data
What is Dr. Leon Chang's medical specialty?
Dr. Leon Chang practices General Practice Dentistry in Union City, CA.
Where does Dr. Leon Chang practice?
Dr. Leon Chang practices at 33800 Alvarado Niles RD, Union City, CA 945874359. Office phone: 5104894660.
What is Dr. Leon Chang's NPI?
Dr. Leon Chang's National Provider Identifier (NPI) is 1982868949, issued by NPPES.