Warren D Keller, PH.D.

Primary specialty

PsychologistTaxonomy code 103T00000X

License

07489 Issued in NY

Practice address

8175 Sheridan Dr
Ste 200
Williamsville, NY 14221-6002

Phone

(716) 634-2600

Fax

(716) 634-2675

NPI assigned

Aug 11, 2005

Sex

Male

Sole proprietor

No

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

Not listed in the public Medicare enrollment file

Eligible to order & refer

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

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

State licenses

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

{
    "created_epoch": "1123718400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1821090648",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9750 TRANSIT RD",
            "city": "EAST AMHERST",
            "state": "NY",
            "postal_code": "140512124",
            "telephone_number": "716-636-1375",
            "fax_number": "716-636-4501"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8175 SHERIDAN DR",
            "address_2": "STE 200",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142216002",
            "telephone_number": "716-634-2600",
            "fax_number": "716-634-2675"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KELLER",
        "first_name": "WARREN",
        "middle_name": "D",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-11",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "NY",
            "license": "07489",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Brittany Keller, L.P.N.
• Christopher Joseph Keller, PSY.D.
• Craig Edward Keller, M.D.
• Kristine Keller, LPN
• Margaret Ann Keller, LPN
• Linda Kelley, RN
• Martin Kelley
• Myriam Kelley, PT
• Laura Ann Kelly, RPA-C
• Tausha Kelly, LPN

• Psychologist in Williamsville, NY
• Providers in Williamsville, NY by specialty
• Psychologist in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.