Willa Williamson, APN
NPI 1083623573 · Adult Health Nurse Practitioner · Chicago, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Willa Williamson, APN is a Adult Health Nurse Practitioner provider in Chicago, IL (NPI 1083623573).
Provider details
- NPI number
- 1083623573
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN
- Sex
- Female
- Sole proprietor
- No
- License
- 209-002276 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-08-05
- Last updated
- 2021-05-04
- Certified
- 2021-05-04
Frequently asked questions
- What is Willa Williamson's NPI number?
- Willa Williamson's National Provider Identifier (NPI) is 1083623573, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Willa Williamson's specialty?
- Willa Williamson is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Willa Williamson located?
- Willa Williamson's practice location on file with NPPES is 1901 S. Harrison St., Chicago, IL 60612-3714.
- What is Willa Williamson's phone number?
- The practice phone number listed in the NPPES registry for Willa Williamson is (312) 864-5218.
- Does Willa Williamson accept Medicare?
- Willa Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Willa Williamson's NPI active?
- Yes — Willa Williamson's NPI (1083623573) is active in the NPPES registry as of the last update on 2021-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.