Stephen Michael Castaldi

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

035171 Issued in NY

Practice address

77 Goodell St Ste 340
Buffalo, NY 14203-1243

Phone

(716) 888-4703

NPI assigned

Feb 21, 2026

Sex

Unspecified or another gender identity

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

Enrolled in NY

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.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2025

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)

Medicare enrollment (NPD)

Enrolled

State licenses

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

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

{
    "created_epoch": "1771632000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771632000000",
    "number": "1982558680",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "77 GOODELL ST STE 340",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142031243"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "77 GOODELL ST STE 340",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142031243",
            "telephone_number": "716-888-4703"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASTALDI",
        "first_name": "STEPHEN",
        "middle_name": "MICHAEL",
        "sole_proprietor": "NO",
        "sex": "X",
        "enumeration_date": "2026-02-21",
        "last_updated": "2026-02-21",
        "certification_date": "2026-02-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": "035171",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Melvin Cash
• Jeniffer M Casolini Dal Bo, OTR
• Karl Richard Casseus, DC
• Brian Cassick
• Stephanie Cassidy
• Alison Castanza
• Michael R Castanza
• Laura Jean Castelluzzo, LAC., LMT
• Julie Lynn Castiglione, M.A. CCC-SLP
• Micaiah Castillo

• Physician Assistant in Buffalo, NY
• Providers in Buffalo, NY by specialty
• Physician Assistant in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 21, 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.
• 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.