Jillian Marie Janczyk, FNP-C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

357447 Issued in NY

Practice address

3495 Bailey Ave
Buffalo, NY 14215-1129

Phone

(716) 834-9200

NPI assigned

Jun 16, 2025

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

Not listed in the public Medicare enrollment file

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.

Specialty

Nurse Practitioner

Education

Other, 2025

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1750032000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753833600000",
    "number": "1558257592",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "81 ORCHARD PL",
            "city": "LACKAWANNA",
            "state": "NY",
            "postal_code": "142181703"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3495 BAILEY AVE",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142151129",
            "telephone_number": "716-834-9200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JANCZYK",
        "first_name": "JILLIAN",
        "middle_name": "MARIE",
        "credential": "FNP-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-06-16",
        "last_updated": "2025-07-30",
        "certification_date": "2025-07-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "NY",
            "license": "780535",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "357447",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Eesha Jamil, MD
• Montana Jamison, RN
• Daniel Roger Jammal, DMD
• Sehrish Jamot, MD
• Valentina Jancevska, RPH
• Maria Janda
• Gurjeena K Jandu, DPT
• Sally R Janes, M.S.W., CGC
• Christopher Janicki-Howe
• Jacob Janicki, ATC

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 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.