Doctor profile · Federal record

Dr. Andrew Chen

Internal Medicine Physician (CMS: Internal Medicine) · Fontana, CA

  • NPI 1053873646
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
14050 Cherry Ave Ste C
Fontana, CA 923378312
(909) 823-5220

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
March 15, 2023
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A182957

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053873646. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$99
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
CARDIVA MEDICAL, INC. 2 $45.12
HEARTFLOW, INC. 1 $35.82
Novo Nordisk Inc 1 $18.16

By nature of payment

Food and Beverage
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
40
Patients
0
Total drug cost
$541
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 17 0 $342
Diclofenac Sodium Generic 12 0 $104
Lisinopril Generic 11 0 $95

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Chen's medical specialty?
Dr. Andrew Chen practices Internal Medicine Physician in Fontana, CA.
Where does Dr. Andrew Chen practice?
Dr. Andrew Chen practices at 14050 Cherry Ave Ste C, Fontana, CA 923378312. Office phone: 9098235220.
What is Dr. Andrew Chen's NPI?
Dr. Andrew Chen's National Provider Identifier (NPI) is 1053873646, issued by NPPES.
Does Dr. Andrew Chen accept Medicare assignment?
Yes. Dr. Andrew Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.