Doctor profile · Federal record
Dr. Minh Nguyen, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · San Marcos, CA
- NPI 1154403640
- Accepts Medicare
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
885 Orion Way
San Marcos, CA 920780914
(619) 757-0141 - Additional location
-
2185 Citracado Pkwy
Escondido, CA 920294159
(760) 291-6700
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- January 7, 2025
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A89951
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154403640. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
621
Distinct HCPCS
6
Medicare allowed
$68,848
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 252 | 94 | $82 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 186 | 75 | $123 | |
99239 |
Hospital discharge day management, more than 30 minutes | 79 | 79 | $119 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 68 | 67 | $180 | |
99238 |
Hospital discharge day management, 30 minutes or less | 23 | 23 | $84 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 13 | 13 | $134 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 93. This provider delivers 6.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
88
Patients
74
Total drug cost
$590
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levofloxacin | Generic | 19 | 19 | $123 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 16 | 16 | $150 |
| Furosemide | Generic | 16 | 16 | $65 |
| Atorvastatin Calcium | Generic | 14 | 11 | $144 |
| Amlodipine Besylate | Generic | 12 | 12 | $60 |
| Lisinopril | Generic | 11 | 0 | $48 |
Hospital affiliations
Frequently asked questions
What is Dr. Minh Nguyen's medical specialty?
Dr. Minh Nguyen practices Internal Medicine Physician in San Marcos, CA.
Where does Dr. Minh Nguyen practice?
Dr. Minh Nguyen practices at 885 Orion Way, San Marcos, CA 920780914. Office phone: 6197570141.
What is Dr. Minh Nguyen's NPI?
Dr. Minh Nguyen's National Provider Identifier (NPI) is 1154403640, issued by NPPES.
Does Dr. Minh Nguyen accept Medicare assignment?
Yes. Dr. Minh Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Minh Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.