Nhan Nguyen, MD
NPI 1619468378 · Family Medicine Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nhan Nguyen, MD is a Family Medicine Physician provider in Oklahoma City, OK (NPI 1619468378).
Provider details
- NPI number
- 1619468378
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 37940 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,475 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 35 Minutes99232 | 530 | $73 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 332 | $106 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 289 | $110 |
| Critical Care, First 30-74 Minutes99291 | 170 | $199 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 116 | $159 |
| Advance Care Planning, First 30 Minutes99497 | 38 | $70 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 46 | 46 |
| Cefdinir | 43 | 43 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 38 | 38 |
| Pantoprazole Sodium | 36 | 24 |
| Cephalexin | 33 | 33 |
| Atorvastatin Calcium | 28 | 17 |
| Azithromycin | 26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-05-29
- Last updated
- 2021-07-13
- Certified
- 2021-06-18
Frequently asked questions
- What is Nhan Nguyen's NPI number?
- Nhan Nguyen's National Provider Identifier (NPI) is 1619468378, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nhan Nguyen's specialty?
- Nhan Nguyen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nhan Nguyen located?
- Nhan Nguyen's practice location on file with NPPES is 5200 E Interstate 240 Service Rd, Oklahoma City, OK 73135-2607.
- What is Nhan Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Nhan Nguyen is (405) 414-4893.
- Does Nhan Nguyen accept Medicare?
- Nhan Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nhan Nguyen's NPI active?
- Yes — Nhan Nguyen's NPI (1619468378) is active in the NPPES registry as of the last update on 2021-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.