Guinevere Sammartino, FNP-C
NPI 1427851328 · Nurse Practitioner · Evanston, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guinevere Sammartino, FNP-C is a Nurse Practitioner provider in Evanston, IL (NPI 1427851328).
Provider details
- NPI number
- 1427851328
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 209031809 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2025-03-28
- Last updated
- 2025-12-15
- Certified
- 2025-12-15
Frequently asked questions
- What is Guinevere Sammartino's NPI number?
- Guinevere Sammartino's National Provider Identifier (NPI) is 1427851328, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guinevere Sammartino's specialty?
- Guinevere Sammartino is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Guinevere Sammartino located?
- Guinevere Sammartino's practice location on file with NPPES is 2650 Ridge Ave, Evanston, IL 60201.
- What is Guinevere Sammartino's phone number?
- The practice phone number listed in the NPPES registry for Guinevere Sammartino is (847) 570-2114.
- Does Guinevere Sammartino accept Medicare?
- Guinevere Sammartino is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guinevere Sammartino's NPI active?
- Yes — Guinevere Sammartino's NPI (1427851328) is active in the NPPES registry as of the last update on 2025-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.