Courtney Day

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

F358529-01 Issued in NY

Practice address

Elm and Carlton St
Buffalo, NY 14263-0001

Phone

(716) 845-2300

NPI assigned

Apr 17, 2026

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

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, 2025

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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

• Roswell Park Cancer Institute

  • Multi-Specialty Clinic/Center
  • Buffalo, NY
  • NPI 1720036593
  Medicare reassignment

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

{
    "created_epoch": "1776384000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776384000000",
    "number": "1932043908",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "ELM AND CARLTON ST",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142630001",
            "telephone_number": "716-845-2300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "ELM AND CARLTON ST",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142630001",
            "telephone_number": "716-845-2300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DAY",
        "first_name": "COURTNEY",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-04-17",
        "last_updated": "2026-04-17",
        "certification_date": "2026-04-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Nurse Practitioner",
            "state": "NY",
            "license": "F358529-01",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tamara Betoul Dawli, M.D.
• Dawn Barie, LCSW, PLLC
• Dawning of a New Day LLC
• Hope Dawson
• Jenna Dawson
• Marcus A Day, B.S
• Shajuana Takia Day, PA
• Merril Taylor Dayton, M.D.
• Nathalia Paiva De Andrade, DDS, MS, PHD
• Katherine Pauline De Boer, RPA-C

• Nurse Practitioner in Buffalo, NY
• Providers in Buffalo, NY by specialty
• Nurse Practitioner in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 17, 2026; 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.