Doctor profile · Federal record
Dr. Viet-Nhan Nguyen, D.O.
Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Raleigh, NC
- NPI 1902997646
- Accepts Medicare
- 27 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
3024 New Bern Ave
Raleigh, NC 276101247
(919) 350-5318 - Mailing address
-
2920 Highwoods Blvd
Raleigh, NC 276040010
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- March 11, 2021
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- North Carolina #2019-02450 · Nebraska #316
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902997646. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
133
Distinct HCPCS
5
Medicare allowed
$16,474
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 51 | 49 | $169 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 27 | 26 | $126 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 23 | 23 | $96 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 17 | 17 | $113 | |
74328 |
Review by radiologist of image from tube placement into bile duct using an endoscope | 15 | 15 | $22 |
In context: peer comparison
Among 22 peers in this city , average services per provider: 85. This provider delivers 1.6× the peer median.Open Payments
Industry payments received
All-time total
$1,636
Transactions
13
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Olympus Corporation of the Americas | 9 | $1,487.67 | |
| CONMED Corporation | 1 | $88.54 | |
| Celgene Corporation | 1 | $24.24 | |
| PFIZER INC. | 1 | $19.94 | |
| ABBVIE INC. | 1 | $15.91 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
11
Patients
11
Total drug cost
$37
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ciprofloxacin Hcl | Generic | 11 | 11 | $37 |
Hospital affiliations
Frequently asked questions
What is Dr. Viet-Nhan Nguyen's medical specialty?
Dr. Viet-Nhan Nguyen practices Gastroenterology Physician in Raleigh, NC.
Where does Dr. Viet-Nhan Nguyen practice?
Dr. Viet-Nhan Nguyen practices at 3024 New Bern Ave, Raleigh, NC 276101247. Office phone: 9193505318.
What is Dr. Viet-Nhan Nguyen's NPI?
Dr. Viet-Nhan Nguyen's National Provider Identifier (NPI) is 1902997646, issued by NPPES.
Does Dr. Viet-Nhan Nguyen accept Medicare assignment?
Yes. Dr. Viet-Nhan Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Viet-Nhan Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.