Doctor profile · Federal record
Dr. Tung Nguyen, MD
Internal Medicine Physician (CMS: Internal Medicine) · San Francisco, CA
- NPI 1003871724
- Accepts Medicare
- MIPS 70.8 / 100 · 2023
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
400 Parnassus Ave
San Francisco, CA 941432202
(415) 353-4624
fax (415) 353-2405 - Mailing address
-
400 Parnassus Avenue Gmb, UCSF Medical Center Box 0320
San Francisco, CA 941430001
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- June 10, 2008
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G75840
- Medicaid
- CA #0G7584000
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003871724. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
80
Distinct HCPCS
2
Medicare allowed
$10,095
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 55 | 30 | $110 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 25 | 17 | $162 |
In context: peer comparison
Among 236 peers in San Francisco Internal Medicine Physician, average services per provider: 93. This provider delivers 0.9× the peer median.Open Payments
Industry payments received
All-time total
$17
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Idorsia Pharmaceuticals US INC | 1 | $17.30 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
572
Patients
88
Total drug cost
$13,556
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 169 | 47 | $2,843 |
| Amlodipine Besylate | Generic | 72 | 18 | $1,547 |
| Tamsulosin Hcl | Generic | 41 | 11 | $1,570 |
| Metformin Hcl | Generic | 39 | 12 | $630 |
| Lisinopril | Generic | 30 | 0 | $457 |
| Benazepril Hcl | Generic | 29 | 0 | $354 |
| Diclofenac Sodium | Generic | 27 | 0 | $794 |
| Levothyroxine Sodium | Generic | 23 | 0 | $457 |
| Losartan Potassium | Generic | 23 | 0 | $456 |
| Omeprazole | Generic | 23 | 0 | $824 |
Hospital affiliations
Frequently asked questions
What is Dr. Tung Nguyen's medical specialty?
Dr. Tung Nguyen practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. Tung Nguyen practice?
Dr. Tung Nguyen practices at 400 Parnassus Ave, San Francisco, CA 941432202. Office phone: 4153534624.
What is Dr. Tung Nguyen's NPI?
Dr. Tung Nguyen's National Provider Identifier (NPI) is 1003871724, issued by NPPES.
Does Dr. Tung Nguyen accept Medicare assignment?
Yes. Dr. Tung Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tung Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.