Doctor profile · Federal record
Dr. Thanh Nguyen, MD
Nephrology Physician (CMS: Internal Medicine) · Garden Grove, CA
- NPI 1508885625
- Accepts Medicare
- 42 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
8919 Westminster Ave
Garden Grove, CA 928442609
(714) 893-5511
fax (714) 893-5514
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- October 3, 2013
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- California #G56554
- Medicaid
- CA #00G565540
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508885625. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,019
Distinct HCPCS
5
Medicare allowed
$94,847
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 899 | 159 | $98 | |
G0008 |
Administration of influenza virus vaccine | 55 | 48 | $20 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 43 | 43 | $76 | |
90662 |
Influenza vaccine split virus, preservative free | 11 | 11 | $69 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 11 | 11 | $121 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 181. This provider delivers 5.6× the peer median.Open Payments
Industry payments received
All-time total
$3,534
Transactions
47
Manufacturers
14
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 14 | $625.27 | |
| Amgen Inc. | 7 | $611.14 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 6 | $419.71 | |
| Gilead Sciences, Inc. | 3 | $398.50 | |
| Phathom Pharmaceuticals, Inc. | 4 | $371.42 | |
| Lilly USA, LLC | 3 | $243.17 | |
| RedHill Biopharma Inc. | 1 | $143.98 | |
| SCILEX PHARMACEUTICALS INC. | 1 | $141.13 | |
| Axsome Therapeutics, Inc. | 1 | $125.00 | |
| Otsuka America Pharmaceutical, Inc. | 1 | $125.00 | |
| Vanda Pharmaceuticals Inc. | 1 | $125.00 | |
| LEO Pharma Inc. | 1 | $121.15 | |
| Bayer Healthcare Pharmaceuticals Inc. | 3 | $60.14 | |
| Ardelyx, Inc. | 1 | $23.36 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,433
Patients
746
Total drug cost
$825,626
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Jardiance (Empagliflozin) | Brand | 489 | 83 | $423,907 |
| Atorvastatin Calcium | Generic | 386 | 73 | $5,207 |
| Amlodipine Besylate | Generic | 382 | 88 | $5,175 |
| Olmesartan Medoxomil | Generic | 294 | 60 | $7,679 |
| Metformin Hcl | Generic | 257 | 51 | $3,433 |
| Pioglitazone Hcl | Generic | 249 | 47 | $6,325 |
| Tamsulosin Hcl | Generic | 195 | 45 | $5,524 |
| Gabapentin | Generic | 162 | 41 | $3,343 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 158 | 29 | $49,933 |
| Allopurinol | Generic | 157 | 50 | $2,635 |
Frequently asked questions
What is Dr. Thanh Nguyen's medical specialty?
Dr. Thanh Nguyen practices Nephrology Physician in Garden Grove, CA.
Where does Dr. Thanh Nguyen practice?
Dr. Thanh Nguyen practices at 8919 Westminster Ave, Garden Grove, CA 928442609. Office phone: 7148935511.
What is Dr. Thanh Nguyen's NPI?
Dr. Thanh Nguyen's National Provider Identifier (NPI) is 1508885625, issued by NPPES.
Does Dr. Thanh Nguyen accept Medicare assignment?
Yes. Dr. Thanh Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thanh Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Administration of influenza virus vaccine (HCPCS G0008); Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage (HCPCS 90694). Source: CMS Medicare Physician & Other Practitioners file.