Giang Nguyen, M.D.
NPI 1457349839 · Internal Medicine Physician · Pampa, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Giang Nguyen, M.D. is a Internal Medicine Physician provider in Pampa, TX (NPI 1457349839).
Provider details
- NPI number
- 1457349839
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- L4194 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,090 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 386 | $116 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 241 | $77 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 213 | $111 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 179 | $169 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 27 | $124 |
| Critical Care, First 30-74 Minutes99291 | 26 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 35 | 18 |
| Furosemide | 32 | 16 |
| Carvedilol | 24 | 12 |
| Apixabanbrand: Eliquis | 22 | 12 |
| Rosuvastatin Calcium | 21 | — |
| Isosorbide Mononitratebrand: Isosorbide Mononitrate Er | 19 | 11 |
| Prednisone | 17 |
Practice location
Mailing address
Additional practice locations (1)
- 6 13th Ave EPolson, MT 59860-5315Phone: (406) 883-5680
Registry dates
- Enumerated
- 2005-10-11
- Last updated
- 2026-04-06
- Certified
- 2026-04-06
Frequently asked questions
- What is Giang Nguyen's NPI number?
- Giang Nguyen's National Provider Identifier (NPI) is 1457349839, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Giang Nguyen's specialty?
- Giang Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Giang Nguyen located?
- Giang Nguyen's practice location on file with NPPES is 2218 N Hobart St, Pampa, TX 79065-3418.
- What is Giang Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Giang Nguyen is (806) 440-1262.
- Does Giang Nguyen accept Medicare?
- Giang Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Giang Nguyen's NPI active?
- Yes — Giang Nguyen's NPI (1457349839) is active in the NPPES registry as of the last update on 2026-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.