Abigail Nelezen, MD
NPI 1437788262 · Obstetrics & Gynecology Physician · Madison, WI
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Abigail Nelezen, MD is a Obstetrics & Gynecology Physician provider in Madison, WI (NPI 1437788262).
Provider details
- NPI number
- 1437788262
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 84050 (WI)
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
6 yrs in NPPES registry
- Profile completeness38% of score
100% 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)
- 833 Chestnut St Fl 1Philadelphia, PA 19107-4404Phone: (215) 955-1085Fax: (215) 955-5041
Registry dates
- Enumerated
- 2020-04-03
- Last updated
- 2024-12-11
- Certified
- 2024-12-11
Frequently asked questions
- What is Abigail Nelezen's NPI number?
- Abigail Nelezen's National Provider Identifier (NPI) is 1437788262, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Abigail Nelezen's specialty?
- Abigail Nelezen is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Abigail Nelezen located?
- Abigail Nelezen's practice location on file with NPPES is 2402 Winnebago St, Madison, WI 53704-5341.
- What is Abigail Nelezen's phone number?
- The practice phone number listed in the NPPES registry for Abigail Nelezen is (608) 242-6840.
- Does Abigail Nelezen accept Medicare?
- Abigail Nelezen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Abigail Nelezen's NPI active?
- Yes — Abigail Nelezen's NPI (1437788262) is active in the NPPES registry as of the last update on 2024-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.