Doctor profile · Federal record

Dr. An Tam Nguyen, PA-C

Surgical Physician Assistant (CMS: Physician Assistant) · Surgical Physician Assistant · Upland, CA

  • NPI 1295229235
  • Accepts Medicare
  • 8 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
901 San Bernardino RD Ste 102
Upland, CA 917864988
(909) 579-6721
fax (909) 579-6737

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
February 24, 2020
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363AS0400X — NUCC code
State licenses (2)
California #55765 · New Hampshire #1382

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295229235. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
28
Distinct HCPCS
2
Medicare allowed
$3,589
HCPCS Description Services Patients Avg allowed
33508 Harvest of vein using an endoscope 14 14 $2
33533 Coronary artery bypass using artery graft, 1 graft 14 14 $254

In context: peer comparison

Among 1 peers in this city , average services per provider: 14. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$253
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Zimmer Biomet Holdings, Inc. 1 $170.70
Edwards Lifesciences Corporation 2 $60.76
ATRICURE, INC. 1 $21.89

By nature of payment

Food and Beverage
$253

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. An Tam Nguyen's medical specialty?
Dr. An Tam Nguyen practices Surgical Physician Assistant in Upland, CA.
Where does Dr. An Tam Nguyen practice?
Dr. An Tam Nguyen practices at 901 San Bernardino RD Ste 102, Upland, CA 917864988. Office phone: 9095796721.
What is Dr. An Tam Nguyen's NPI?
Dr. An Tam Nguyen's National Provider Identifier (NPI) is 1295229235, issued by NPPES.
Does Dr. An Tam Nguyen accept Medicare assignment?
Yes. Dr. An Tam Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. An Tam Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Harvest of vein using an endoscope (HCPCS 33508); Coronary artery bypass using artery graft, 1 graft (HCPCS 33533). Source: CMS Medicare Physician & Other Practitioners file.