Femi Ayanrino, MD
NPI 1619962180 · Critical Care Medicine (Internal Medicine) Physician · Appleton, WI
Femi Ayanrino, MD is a Critical Care Medicine (Internal Medicine) Physician provider in Appleton, WI (NPI 1619962180).
Provider details
- NPI number
- 1619962180
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 47045 (WI)
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 tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2005-09-12
- Last updated
- 2025-09-11
Frequently asked questions
- What is Femi Ayanrino's NPI number?
- Femi Ayanrino's National Provider Identifier (NPI) is 1619962180, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Femi Ayanrino's specialty?
- Femi Ayanrino is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Femi Ayanrino located?
- Femi Ayanrino's practice location on file with NPPES is 1506 S Oneida St, Appleton, WI 54915-1305.
- What is Femi Ayanrino's phone number?
- The practice phone number listed in the NPPES registry for Femi Ayanrino is (920) 738-2000.
- Is Femi Ayanrino's NPI active?
- Yes — Femi Ayanrino's NPI (1619962180) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.