Doctor profile · Federal record

Dr. PHU NGUYEN, D.O.

Obstetrics & Gynecology Physician (CMS: OBSTETRICS/GYNECOLOGY) · GARDEN GROVE, CA

  • NPI 1386642866
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
12555 GARDEN GROVE BLVD, SUITE 301
GARDEN GROVE, CA 928431902
(714) 741-0501
fax (714) 741-0095

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
February 18, 2012
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #20A7161
Medicaid
CA #00AX71610

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386642866. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
201
Distinct HCPCS
4
Medicare allowed
$28,196
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 154 70 $124
99204 New patient office or other outpatient visit, 45-59 minutes 20 20 $180
51741 Electronic assessment of bladder emptying 14 14 $8
51728 Complex measurement of pressure of urine flow in bladder with voiding pressure studies 13 13 $420

In context: peer comparison

Among 1 peers in this city , average services per provider: 50. This provider delivers 4.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$403
Transactions
16
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
COLOPLAST CORP 2 $117.71
Novo Nordisk Inc 3 $71.89
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $54.93
Exeltis, USA Inc. 3 $50.95
Sumitomo Pharma America, Inc. 2 $40.44
PFIZER INC. 2 $34.33
MILLICENT US INC 1 $17.29
GlaxoSmithKline, LLC. 1 $15.27

By nature of payment

Food and Beverage
$403

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
388
Patients
251
Total drug cost
$83,246
Drug Type Claims Patients Total cost
Estradiol Generic 82 54 $9,186
Fluconazole Generic 71 62 $263
Metronidazole Generic 67 55 $461
Myrbetriq (Mirabegron) Brand 60 16 $45,640
Premarin (Estrogens, Conjugated) Brand 45 33 $20,135
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 33 31 $182
Prempro (Estrogen,con/M-Progest Acet) Brand 17 0 $6,445
Solifenacin Succinate Generic 13 0 $933