Doctor profile · Federal record

Dr. John Nguyen, M.D.

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Porterville, CA

  • NPI 1154308963
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
590 W Putnam Ave
Porterville, CA 932573257
(559) 781-3700
fax (559) 781-1230

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
March 27, 2024
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #C181720

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154308963. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$157
Transactions
8
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Agile Therapeutics, INC. 2 $31.05
Pfizer INC. 1 $30.50
Hologic Sales and Service, LLC 1 $23.22
Shield Therapeutics INC 1 $20.58
Sumitomo Pharma America, INC. 1 $18.07
Lilly USA, LLC 1 $16.93
Evofem Biosciences, INC. 1 $16.50

By nature of payment

Food and Beverage
$157

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
103
Patients
29
Total drug cost
$24,922
Drug Type Claims Patients Total cost
Estradiol Generic 45 16 $4,084
Myrbetriq (Mirabegron) Brand 19 0 $19,964
Cyclobenzaprine Hcl Generic 13 0 $235
Fluticasone Propionate Generic 13 13 $134
Metronidazole Generic 13 0 $506

Frequently asked questions

Auto-generated from federal data
What is Dr. John Nguyen's medical specialty?
Dr. John Nguyen practices Obstetrics & Gynecology Physician in Porterville, CA.
Where does Dr. John Nguyen practice?
Dr. John Nguyen practices at 590 W Putnam Ave, Porterville, CA 932573257. Office phone: 5597813700.
What is Dr. John Nguyen's NPI?
Dr. John Nguyen's National Provider Identifier (NPI) is 1154308963, issued by NPPES.
Does Dr. John Nguyen accept Medicare assignment?
Yes. Dr. John Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.