Individual provider Active NPI

Kathleen Marie Pierce

  • Family Medicine Physician
  • Williamsville, NY
National Provider Identifier
1639810856
Registry record updated Jan 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
334276 Issued in NY
Practice address
850 Hopkins Rd
Williamsville, NY 14221-1729
Phone
(716) 688-9641
NPI assigned
Apr 3, 2022
Last updated
Jan 12, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 12, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 334276 NY Primary

Addresses

Primary practice location

850 Hopkins Rd
Williamsville, NY 14221-1729

Mailing address

850 Hopkins Rd
Williamsville, NY 14221-1729
Phone (716) 688-9641

Medicare participation

Medicare enrollment files
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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250829003363 NY Practitioner - Family Practice 7113428236 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ub Family Medicine IncGroup PAC ID 1658361381, 37 clinicians

Practice addresses (Care Compare)

850 Hopkins Rd
Williamsville, NY 14221-1729
Phone (716) 688-9641

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
334276NYMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ub Family Medicine, Inc Family Medicine CurrentSince Oct 1, 2025 Accepting new patients
University Emergency Medical Services Inc. Current Accepting new patients

Locations

77 Goodell St
Ste 240
Buffalo, NY 14203
Phone (716) 816-7228

462 Grider St
Cheektowaga, NY 14215
Phone (716) 831-8612

850 Hopkins Rd
Williamsville, NY 14221
Phone (716) 639-8358

Interoperability endpoints

  • Direct secure messaging: kathleenpierce@ubmd.allscriptsdirect.net

Organizations & group practices 2

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.

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1648944000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768176000000",
    "number": "1639810856",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "850 HOPKINS RD",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142211729",
            "telephone_number": "716-688-9641"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "850 HOPKINS RD",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142211729",
            "telephone_number": "716-688-9641"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PIERCE",
        "first_name": "KATHLEEN",
        "middle_name": "MARIE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-04-03",
        "last_updated": "2026-01-12",
        "certification_date": "2026-01-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NY",
            "license": "334276",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Williamsville, NY

Sources for this page

Verify at the official NPI Registry.