Individual provider Active NPI

William Baxter Pierce, M.D.

  • Otolaryngic Allergy Physician
  • Batavia, NY
National Provider Identifier
1831194554
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Otolaryngic Allergy PhysicianTaxonomy code 207YX0602X
License
114504 Issued in NY
Practice address
229 Summit St
Ste 8
Batavia, NY 14020-1645
Phone
(585) 344-0007
Fax
(585) 344-0186
NPI assigned
Jun 17, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Otolaryngic Allergy Physician 207YX0602X 114504 NY Primary

Addresses

Primary practice location

229 Summit St
Ste 8
Batavia, NY 14020-1645

Mailing address

229 Summit St
Ste 8
Batavia, NY 14020-1645
Phone (585) 344-0007

Other identifiers 2

IdentifierTypeStateIssuer
00466697MedicaidNY
000505361002OtherNYBCBSWNY PROVIDER NO

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
114504NYMDOtolaryngic Allergy Physician

NPI Registry JSON

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

{
    "created_epoch": "1118966400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1831194554",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "229 SUMMIT ST",
            "address_2": "STE 8",
            "city": "BATAVIA",
            "state": "NY",
            "postal_code": "140201645",
            "telephone_number": "585-344-0007",
            "fax_number": "585-344-0186"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "229 SUMMIT ST",
            "address_2": "STE 8",
            "city": "BATAVIA",
            "state": "NY",
            "postal_code": "140201645",
            "telephone_number": "585-344-0007",
            "fax_number": "585-344-0186"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PIERCE",
        "first_name": "WILLIAM",
        "middle_name": "BAXTER",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-17",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207YX0602X",
            "taxonomy_group": "",
            "desc": "Otolaryngology, Otolaryngic Allergy",
            "state": "NY",
            "license": "114504",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00466697",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBSWNY PROVIDER NO",
            "identifier": "000505361002",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Batavia, NY

Sources for this page

  • 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.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.