Nancy Esterkin, APRN
NPI 1568284503 · Family Nurse Practitioner · Buffalo Grove, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Esterkin, APRN is a Family Nurse Practitioner provider in Buffalo Grove, IL (NPI 1568284503).
Provider details
- NPI number
- 1568284503
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 209030930 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2024-10-30
- Last updated
- 2024-11-07
- Certified
- 2024-11-07
Frequently asked questions
- What is Nancy Esterkin's NPI number?
- Nancy Esterkin's National Provider Identifier (NPI) is 1568284503, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Esterkin's specialty?
- Nancy Esterkin is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nancy Esterkin located?
- Nancy Esterkin's practice location on file with NPPES is 150 W Half Day Rd Ste 101, Buffalo Grove, IL 60089-6591.
- What is Nancy Esterkin's phone number?
- The practice phone number listed in the NPPES registry for Nancy Esterkin is (847) 821-1070.
- Does Nancy Esterkin accept Medicare?
- Nancy Esterkin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Esterkin's NPI active?
- Yes — Nancy Esterkin's NPI (1568284503) is active in the NPPES registry as of the last update on 2024-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.