GUINEVERE G SAMMARTINO FNP-C
NPI 1427851328
Nurse Practitioner in Evanston, IL

Active since March 28, 2025PECOS Enrolled
2650 RIDGE AVE, EMERGENCY MEDICINE, EVANSTON, IL 60201(847) 570-2114(847) 570-1223 Get Directions Write a Review

NPPES record last updated: December 15, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Dec 15, 2025, Mar 28, 2025 (2 updates tracked since 2025).

About Guinevere G Sammartino Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GUINEVERE G SAMMARTINO FNP-C (NPI 1427851328) is an individual nurse practitioner in Evanston, Illinois, licensed in Illinois (209031809) and active in the NPI registry since March 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1427851328
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameGUINEVERE G SAMMARTINOCredential: FNP-C
Location Address2650 RIDGE AVE, EMERGENCY MEDICINEEvanston, IL 60201
Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700 · (847) 570-2040 · Fax (847) 570-5315
Fax(847) 570-1223
Sole ProprietorYes
Medical School CMSOtherGraduated 2024
Enumeration DateMarch 28, 2025
Last NPPES UpdateDecember 15, 20252 updates tracked since enumeration
NPPES CertifiedDecember 15, 2025
NPI 1427851328 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in IL · 209031809
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 209.031809 (IL)
2650 RIDGE AVE, Evanston, IL 60201

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Guinevere G Sammartino Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8921593492
PECOS Enrollment IDI20251222002384
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pathology (Anatomic Pathology & Clinical Pathology)
2650 RIDGE AVE, EVANSTON HOSPITAL
EVANSTON, IL 60201
Hospitalist
2650 RIDGE AVE
EVANSTON, IL 60201
Radiology (Diagnostic Radiology)
2650 RIDGE AVE, DEPARTMENT OF RADIOLOGY, G507
EVANSTON, IL 60201
Radiology (Diagnostic Radiology)
2650 RIDGE AVE, EVANSTON HOSPITAL
EVANSTON, IL 60201
Internal Medicine
2650 RIDGE AVE, DIVISION OF INTERNAL MEDICINE RM 4324
EVANSTON, IL 60201
Emergency Medicine
2650 RIDGE AVE, EMERGENCY MEDICINE RM G909
EVANSTON, IL 60201
Nurse Practitioner (Acute Care)
2650 RIDGE AVE, EMERGENCY MEDICINE, RM G903C
EVANSTON, IL 60201
Hospitalist
2650 RIDGE AVE
EVANSTON, IL 60201

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Guinevere Sammartino's NPI number?

The NPI number for Guinevere Sammartino is 1427851328. It was assigned to this individual provider in the NPPES registry on March 28, 2025.

Where is Guinevere Sammartino located?

Guinevere Sammartino practices at 2650 Ridge Ave Emergency Medicine, Evanston, IL 60201. The listed phone number is (847) 570-2114.

What is Guinevere Sammartino's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Guinevere Sammartino enrolled in Medicare?

Yes. Guinevere Sammartino is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Guinevere Sammartino was last updated on December 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.