Doctor profile · Federal record

Dr. Jennifer Chen, MD

Internal Medicine Physician (CMS: Internal Medicine) · San Gabriel, CA

  • NPI 1548335516
  • Accepts Medicare
  • 37 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
416 W Las Tunas Dr Ste 303
San Gabriel, CA 917761236
(626) 571-0111
fax (626) 571-5520

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
April 22, 2020
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G74403
Medicaid
CA #OG7440300

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548335516. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
99
Distinct HCPCS
2
Medicare allowed
$10,094
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 85 25 $96
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 14 14 $140

In context: peer comparison

Among 7 peers in San Gabriel Internal Medicine Physician, average services per provider: 601. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 1 $18.83

By nature of payment

Food and Beverage
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
162
Patients
11
Total drug cost
$14,918
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 35 11 $502
Alendronate Sodium Generic 34 0 $267
Amlodipine Besylate Generic 27 0 $331
Simvastatin Generic 23 0 $146
Jardiance (Empagliflozin) Brand 19 0 $13,400
Metformin Hcl Generic 13 0 $160
Metformin Hcl ER (Metformin Hcl) Brand 11 0 $111

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Chen's medical specialty?
Dr. Jennifer Chen practices Internal Medicine Physician in San Gabriel, CA.
Where does Dr. Jennifer Chen practice?
Dr. Jennifer Chen practices at 416 W Las Tunas Dr Ste 303, San Gabriel, CA 917761236. Office phone: 6265710111.
What is Dr. Jennifer Chen's NPI?
Dr. Jennifer Chen's National Provider Identifier (NPI) is 1548335516, issued by NPPES.
Does Dr. Jennifer Chen accept Medicare assignment?
Yes. Dr. Jennifer Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Chen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.