Nelson Nwannunu, MD
NPI 1124605159 · Anesthesiology Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nelson Nwannunu, MD is a Anesthesiology Physician provider in Ann Arbor, MI (NPI 1124605159).
Provider details
- NPI number
- 1124605159
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (1)
- 1740 W Taylor StChicago, IL 60612-7232Phone: (866) 600-2273
Registry dates
- Enumerated
- 2021-03-25
- Last updated
- 2025-08-15
- Certified
- 2025-08-15
Frequently asked questions
- What is Nelson Nwannunu's NPI number?
- Nelson Nwannunu's National Provider Identifier (NPI) is 1124605159, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nelson Nwannunu's specialty?
- Nelson Nwannunu is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Nelson Nwannunu located?
- Nelson Nwannunu's practice location on file with NPPES is 1500 E Medical Center Dr, Ann Arbor, MI 48109-5000.
- What is Nelson Nwannunu's phone number?
- The practice phone number listed in the NPPES registry for Nelson Nwannunu is (734) 936-4000.
- Does Nelson Nwannunu accept Medicare?
- Nelson Nwannunu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nelson Nwannunu's NPI active?
- Yes — Nelson Nwannunu's NPI (1124605159) is active in the NPPES registry as of the last update on 2025-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.