Doctor profile · Federal record

Dr. Mark Chen, DO

Anesthesiology Physician (CMS: Anesthesiology) · Upland, CA

  • NPI 1568417152
  • Accepts Medicare
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
999 San Bernardino RD
Upland, CA 917864920
(909) 920-4851
Mailing address
Po Box 1628
Orange, CA 928560628

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
January 31, 2020
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
California #20A5641
Medicaid
WA #1106921

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568417152. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $22.15

By nature of payment

Food and Beverage
$22

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Chen's medical specialty?
Dr. Mark Chen practices Anesthesiology Physician in Upland, CA.
Where does Dr. Mark Chen practice?
Dr. Mark Chen practices at 999 San Bernardino RD, Upland, CA 917864920. Office phone: 9099204851.
What is Dr. Mark Chen's NPI?
Dr. Mark Chen's National Provider Identifier (NPI) is 1568417152, issued by NPPES.
Does Dr. Mark Chen accept Medicare assignment?
Yes. Dr. Mark Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.