Doctor profile · Federal record
Dr. John Chen, D.O.
Anesthesiology Physician (CMS: Anesthesiology) · Fontana, CA
- NPI 1649356023
- Accepts Medicare
- 23 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
9961 Sierra Ave
Fontana, CA 923356720
(909) 427-2673
fax (909) 427-5219 - Mailing address
-
808 Brigham Young Dr
Claremont, CA 917112074
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- November 30, 2021
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- California #20A9401
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1649356023. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$127
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 1 | $126.62 |
By nature of payment
Frequently asked questions
What is Dr. John Chen's medical specialty?
Dr. John Chen practices Anesthesiology Physician in Fontana, CA.
Where does Dr. John Chen practice?
Dr. John Chen practices at 9961 Sierra Ave, Fontana, CA 923356720. Office phone: 9094272673.
What is Dr. John Chen's NPI?
Dr. John Chen's National Provider Identifier (NPI) is 1649356023, issued by NPPES.
Does Dr. John Chen accept Medicare assignment?
Yes. Dr. John Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.