Long Nguyen, M.D.
NPI 1811956006 · Internal Medicine Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Long Nguyen, M.D. is a Internal Medicine Physician provider in Oklahoma City, OK (NPI 1811956006).
Provider details
- NPI number
- 1811956006
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 20102 (OK)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,551 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 | 494 | $73 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 330 | $69 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 311 | $110 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 153 | $106 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 63 | $69 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 35 | 35 |
| Prednisone | 26 | 25 |
| Apixabanbrand: Eliquis | 22 | 20 |
| Furosemide | 14 | 14 |
| Amiodarone Hcl | 14 | 13 |
| Amlodipine Besylate | 13 | 13 |
| Spironolactone |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-17
- Last updated
- 2017-07-20
Frequently asked questions
- What is Long Nguyen's NPI number?
- Long Nguyen's National Provider Identifier (NPI) is 1811956006, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Long Nguyen's specialty?
- Long Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Long Nguyen located?
- Long Nguyen's practice location on file with NPPES is 3300 Nw Expressway, Oklahoma City, OK 73112-4418.
- What is Long Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Long Nguyen is (405) 713-7403.
- Does Long Nguyen accept Medicare?
- Long Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Long Nguyen's NPI active?
- Yes — Long Nguyen's NPI (1811956006) is active in the NPPES registry as of the last update on 2017-07-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.