Doctor profile · Federal record
Dr. Charles Nguyen, D.O.
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Houston, TX
- NPI 1679704084
- Accepts Medicare
- 17 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2626 S Loop W Ste 265
Houston, TX 770545636
(713) 796-9955
Credentials & registration
- NPI registered
- August 2009 — 17 yrs on file
- Profile last updated
- May 5, 2022
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Texas #Q3746 · Pennsylvania #OS016027
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679704084. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,975
Distinct HCPCS
10
Medicare allowed
$222,798
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 634 | 221 | $109 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 334 | 92 | $110 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 209 | 201 | $187 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 121 | 65 | $77 | |
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 100 | 72 | $158 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 97 | 49 | $77 | |
99348 |
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | 91 | 34 | $78 | |
G0181 |
Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow | 91 | 39 | $107 | |
G0180 |
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 63 | 57 | $54 | |
99347 |
Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes | 51 | 22 | $46 |
In context: peer comparison
Among 393 peers in this city , average services per provider: 127. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$185
Transactions
4
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| E.R. Squibb & Sons, L.L.C. | 1 | $104.22 | |
| GlaxoSmithKline, LLC. | 1 | $31.78 | |
| ACADIA Pharmaceuticals Inc | 1 | $26.26 | |
| Neurocrine Biosciences, Inc. | 1 | $22.52 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
4,259
Patients
1,002
Total drug cost
$168,749
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 576 | 133 | $7,827 |
| Amlodipine Besylate | Generic | 409 | 86 | $3,994 |
| Gabapentin | Generic | 386 | 82 | $6,072 |
| Furosemide | Generic | 376 | 95 | $2,210 |
| Eliquis (Apixaban) | Brand | 364 | 61 | $118,350 |
| Levothyroxine Sodium | Generic | 343 | 84 | $4,705 |
| Metoprolol Tartrate | Generic | 266 | 70 | $2,138 |
| Potassium Chloride | Generic | 255 | 63 | $4,293 |
| Famotidine | Generic | 245 | 56 | $2,773 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 192 | 47 | $2,486 |
Frequently asked questions
What is Dr. Charles Nguyen's medical specialty?
Dr. Charles Nguyen practices Internal Medicine Physician in Houston, TX.
Where does Dr. Charles Nguyen practice?
Dr. Charles Nguyen practices at 2626 S Loop W Ste 265, Houston, TX 770545636. Office phone: 7137969955.
What is Dr. Charles Nguyen's NPI?
Dr. Charles Nguyen's National Provider Identifier (NPI) is 1679704084, issued by NPPES.
Does Dr. Charles Nguyen accept Medicare assignment?
Yes. Dr. Charles Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Initial nursing facility care with high level of medical decision making (HCPCS 99306). Source: CMS Medicare Physician & Other Practitioners file.