Doctor profile · Federal record

Dr. Hoa Nguyen, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Addiction Medicine (Internal Medicine) Physician · Geriatric Medicine (Internal Medicine) Physician · Hospitalist Physician · Irvine, CA

  • NPI 1427285394
  • Accepts Medicare
  • 17 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
16100 Sand Canyon Ave Ste 240
Irvine, CA 926183724
(949) 393-7443
Additional location
18173 Santa Adela Cir
Fountain Valley, CA 927085608
(562) 412-8863
fax (562) 412-8863

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
June 29, 2023
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Louisiana #205442 · California #A118305
Medicaid
LA #1950190

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427285394. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$147
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
La Jolla Pharmaceutical Company 1 $124.99
Bioventus LLC 1 $22.35

By nature of payment

Food and Beverage
$147

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
546
Patients
18
Total drug cost
$37,798
Drug Type Claims Patients Total cost
Furosemide Generic 74 0 $550
Atorvastatin Calcium Generic 67 18 $876
Pantoprazole Sodium Generic 45 0 $334
Levothyroxine Sodium Generic 43 0 $416
Levetiracetam Generic 39 0 $1,157
Amlodipine Besylate Generic 32 0 $232
Divalproex Sodium Generic 32 0 $2,095
Omeprazole Generic 30 0 $322
Gabapentin Generic 28 0 $447
Metoprolol Tartrate Generic 27 0 $185

Frequently asked questions

Auto-generated from federal data
What is Dr. Hoa Nguyen's medical specialty?
Dr. Hoa Nguyen practices Internal Medicine Physician in Irvine, CA.
Where does Dr. Hoa Nguyen practice?
Dr. Hoa Nguyen practices at 16100 Sand Canyon Ave Ste 240, Irvine, CA 926183724. Office phone: 9493937443.
What is Dr. Hoa Nguyen's NPI?
Dr. Hoa Nguyen's National Provider Identifier (NPI) is 1427285394, issued by NPPES.
Does Dr. Hoa Nguyen accept Medicare assignment?
Yes. Dr. Hoa Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.