Ian T Lesniak, PA-C

Primary specialty

Medical Physician AssistantTaxonomy code 363AM0700X

Practice address

100 High St
Buffalo, NY 14203-1126

Phone

(716) 859-5600

NPI assigned

Sep 4, 2025

Sex

Male

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

General Physician PCGroup PAC ID 9537213079, 488 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Kaleida Health Hospital, Buffalo, NY, CCN 330005

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

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.

• General Physician, PC

  • General Practice Physician
  • Dunkirk, NY
  • NPI 1093959322
  Medicare reassignment Care Compare group NPD
• General Physician, PC

  • Internal Medicine Physician
  • Orchard Park, NY
  • NPI 1063236529
  NPD
• Academic Medicine Services, Inc.

  • Internal Medicine Physician
  • Williamsville, NY
  • NPI 1255394763
  NPD (past)
• Kaleida Health

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1427007046
  NPD (past)

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

• Kaleida Health

  • General Acute Care Hospital
  • Williamsville, NY
  • NPI 1053441907
  Care Compare affiliation
• Kaleida Health

  • General Acute Care Hospital
  • North Tonawanda, NY
  • NPI 1104956358
  Care Compare affiliation
• Kaleida Health

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1245365196
  Care Compare affiliation
• Kaleida Health

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1366473183
  Care Compare affiliation
• Kaleida Health

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1639209596
  Care Compare affiliation
• Kaleida Health

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1831229780
  Care Compare affiliation

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

{
    "created_epoch": "1756944000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756944000000",
    "number": "1790665461",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "726 EXCHANGE ST STE 710",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142101464",
            "telephone_number": "716-852-4772"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 HIGH ST",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142031126",
            "telephone_number": "716-859-5600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LESNIAK",
        "first_name": "IAN",
        "middle_name": "T",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-09-04",
        "last_updated": "2025-09-04",
        "certification_date": "2025-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "NY",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Alison Lesakowski
• Deandra Lesanti, BSN. RN
• Dana Lesinski
• Bailey Lesniak, PHARMD
• Dennis Michael Lesniak, D.C.
• Alan Joseph Lesse, M.D.
• Christie L Lesser, LCSWR
• Jeffrey Lesser, DO
• Joel David Lesses, MS
• Morgan Lee Lester

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 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.