Buffalo ENT Specialists, LLP

Primary specialty

Otolaryngology PhysicianTaxonomy code 207Y00000X

Legal business name

BUFFALO ENT SPECIALISTS, LLP

Practice address

180 Park Club LN
Suite 200
Williamsville, NY 14221-5263

Phone

(716) 634-7350

NPI assigned

Oct 27, 2006

Last updated

Jun 11, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Dr. Ernesto Alberto Diaz-Ordaz, MDNPI 1114965738

Title

Managing Partner

Phone

(716) 634-7350

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

Enrollment records 1

Locations

Practitioners 5

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Joseph L Muscarella Jr., D.O.

  • Otolaryngology/Facial Plastic Surgery Physician
  • Williamsville, NY
  • NPI 1457302366
  Medicare reassignment Care Compare group NPD
• Samuel A Reyes, MD PHD

  • Otolaryngology Physician
  • Williamsville, NY
  • NPI 1598976391
  Medicare reassignment Care Compare group NPD
• Susan M Szimonisz, MD

  • Internal Medicine Physician
  • Williamsville, NY
  • NPI 1285722462
  Medicare reassignment Care Compare group NPD
• John F Stanievich, MD

  • Otolaryngology Physician
  • Williamsville, NY
  • NPI 1851333892
  Medicare reassignment NPD
• Ernesto A Diaz-Ordaz, MD

  • Otolaryngology Physician
  • Williamsville, NY
  • NPI 1114965738
  Authorized official Same address or phone

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

{
    "created_epoch": "1161907200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1781136000000",
    "number": "1366528077",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "180 PARK CLUB LN STE 200",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142215258",
            "telephone_number": "716-389-3293"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "180 PARK CLUB LN",
            "address_2": "SUITE 200",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142215263",
            "telephone_number": "716-634-7350"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "BUFFALO ENT SPECIALISTS, LLP",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-10-27",
        "last_updated": "2026-06-11",
        "certification_date": "2026-06-11",
        "status": "A",
        "authorized_official_last_name": "DIAZ-ORDAZ",
        "authorized_official_first_name": "ERNESTO",
        "authorized_official_middle_name": "ALBERTO",
        "authorized_official_title_or_position": "MANAGING PARTNER",
        "authorized_official_telephone_number": "716-634-7350",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Otolaryngology Physician in Williamsville, NY
• Providers in Williamsville, NY by specialty
• Otolaryngology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.