Guinevere G Sammartino, FNP-C

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

209031809 Issued in IL

Practice address

2650 Ridge Ave
Emergency Medicine
Evanston, IL 60201

Phone

(847) 570-2114

Fax

(847) 570-1223

NPI assigned

Mar 28, 2025

Last updated

Dec 15, 2025By the provider in NPPES

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2024

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Endeavor Health Medical Group

  dba NorthShore University HealthSystem Faculty Practice Associates

  • Allergy & Immunology Physician
  • Evanston, IL
  • NPI 1497701882
  Medicare reassignment NPD (past)
• Endeavor Health Medical Group

  dba NorthShore Anesthesia Group

  • Anesthesiology Physician
  • Evanston, IL
  • NPI 1265695944
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1743120000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765756800000",
    "number": "1427851328",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2650 RIDGE AVE STE 1223",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "602011700",
            "telephone_number": "847-570-2040",
            "fax_number": "847-570-5315"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2650 RIDGE AVE",
            "address_2": "EMERGENCY MEDICINE",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "60201",
            "telephone_number": "847-570-2114",
            "fax_number": "847-570-1223"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SAMMARTINO",
        "first_name": "GUINEVERE",
        "middle_name": "G",
        "credential": "FNP-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-03-28",
        "last_updated": "2025-12-15",
        "certification_date": "2025-12-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IL",
            "license": "209031809",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IL",
            "license": "209.031809",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Esperanza G Salvador, M.D.
• Karen J Salvesen-Sykes, MD
• Emma Marie Salvino
• Riya Mary Sam, MD
• Sam's Club Optical (Sam's Club Optical 30-6444)
• Karlie S Sample, MD
• Sams West Inc (Sams Pharmacy)
• Mary Susan Sams, PSY.D.
• Ajit Anant Samudra, MS, LMFT
• Maya Mary Samuel

• Nurse Practitioner in Evanston, IL
• Providers in Evanston, IL by specialty
• Nurse Practitioner in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 15, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.