Nnenna Oluigbo, M.D
NPI 1548417884 · Internal Medicine Physician · Washington, DC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nnenna Oluigbo, M.D is a Internal Medicine Physician provider in Washington, DC (NPI 1548417884).
Provider details
- NPI number
- 1548417884
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- No
- License
- 35096932 (OH)
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
17 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
848 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 291 | $146 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 189 | $110 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 121 | $154 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 111 | $90 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 35 | $135 |
| Administration of Influenza Virus VaccineG0008 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 90 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 414 | 152 |
| Amlodipine Besylate | 337 | 124 |
| Losartan Potassium | 193 | 65 |
| Gabapentin | 183 | 65 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 146 | 50 |
| Hydrochlorothiazide | 130 | 46 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-19
- Last updated
- 2019-01-07
Frequently asked questions
- What is Nnenna Oluigbo's NPI number?
- Nnenna Oluigbo's National Provider Identifier (NPI) is 1548417884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nnenna Oluigbo's specialty?
- Nnenna Oluigbo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nnenna Oluigbo located?
- Nnenna Oluigbo's practice location on file with NPPES is 110 Irving St Nw Ste 385, Washington, DC 20010-3017.
- What is Nnenna Oluigbo's phone number?
- The practice phone number listed in the NPPES registry for Nnenna Oluigbo is (202) 877-7000.
- Does Nnenna Oluigbo accept Medicare?
- Nnenna Oluigbo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nnenna Oluigbo's NPI active?
- Yes — Nnenna Oluigbo's NPI (1548417884) is active in the NPPES registry as of the last update on 2019-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.