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
- Primary practice
-
12555 Garden Grove Blvd, Suite 301
Garden Grove, CA 928431902
(714) 741-0501
fax (714) 741-0095
Credentials & registration
- 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
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
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 Garden Grove Obstetrics & Gynecology Physician, average services per provider: 50. This provider delivers 4.0× the peer median.Open Payments
Industry payments received
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
Medicare Part D · 2023
Top prescriptions
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 |
Frequently asked questions
What is Dr. Phu Nguyen's medical specialty?
Dr. Phu Nguyen practices Obstetrics & Gynecology Physician in Garden Grove, CA.
Where does Dr. Phu Nguyen practice?
Dr. Phu Nguyen practices at 12555 Garden Grove Blvd, Garden Grove, CA 928431902. Office phone: 7147410501.
What is Dr. Phu Nguyen's NPI?
Dr. Phu Nguyen's National Provider Identifier (NPI) is 1386642866, issued by NPPES.
Does Dr. Phu Nguyen accept Medicare assignment?
Yes. Dr. Phu Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Phu Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Electronic assessment of bladder emptying (HCPCS 51741). Source: CMS Medicare Physician & Other Practitioners file.