Gregory May

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

336780 Issued in NY

Practice address

955 Main St Ste 7230
Buffalo, NY 14203-1121

Phone

(716) 645-9707

NPI assigned

Apr 5, 2022

Sex

Male

Sole proprietor

No

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

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

Specialty

Emergency Medicine

Education

Touro Un Col of Osteopathic Medicine, New York, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

University Emergency Medical Services Inc.Group PAC ID 0749182665, 97 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Erie County Medical Center Hospital, Buffalo, NY, CCN 330219

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

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.

• University Emergency Medical Services Inc.

  • Emergency Medicine Physician
  • Buffalo, NY
  • NPI 1972540482
  Medicare reassignment Care Compare group NPD
• Ub Family Medicine, Inc

  dba UBMD Primary Care

  • Family Medicine Physician
  • Williamsville, NY
  • NPI 1942294467
  NPD

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

• Erie County Medical Center Corporation

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1437197985
  Care Compare affiliation

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

{
    "created_epoch": "1649116800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748044800000",
    "number": "1649911769",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "955 MAIN ST STE 7230",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142031121"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "955 MAIN ST STE 7230",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142031121",
            "telephone_number": "716-645-9707"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAY",
        "first_name": "GREGORY",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-04-05",
        "last_updated": "2025-05-24",
        "certification_date": "2025-05-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NY",
            "license": "336780",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rachel Ellen Maxwell, PA-C
• Ashley May-Smith
• Allison Marie May
• Amanda Megan May, MD
• David May, P.T.
• Jeanne Louise May, RN
• Jennifer May
• Emily Mayback
• Charlene Mayer- Ryder
• Danielle D Mayer, COTA

• Emergency Medicine Physician in Buffalo, NY
• Providers in Buffalo, NY by specialty
• Emergency Medicine Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 24, 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.