Les Zakrzewski, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

154880-1 Issued in NY

Practice address

721 Center Rd
West Seneca, NY 14224-2181

Phone

(716) 677-4070

Fax

(716) 677-4095

NPI assigned

Jan 17, 2006

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

Other identifiers 1

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

Internal Medicine

Education

Other

Medicare assignment

May accept Medicare assignment

Group practices

Trinity Medical Wny PCGroup PAC ID 5193907517, 207 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Sisters of Charity Hospital Hospital, Buffalo, NY, CCN 330078
• Mercy Hospital of Buffalo Hospital, Buffalo, NY, CCN 330279

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Trinity Medical Wny PC

  • Internal Medicine Physician
  • Buffalo, NY
  • NPI 1295043149
  Medicare reassignment Care Compare group NPD
• Les Zakrzewski MD

  • Internal Medicine Physician
  • West Seneca, NY
  • NPI 1518153501
  Authorized official Same address or phone
• Trinity Medical Wny PC

  • Vascular Surgery Physician
  • Buffalo, NY
  • NPI 1205468055
  NPD

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

• Mercy Hospital of Buffalo

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1164464921
  Care Compare affiliation
• Sisters of Charity Hospital of Buffalo New York

  • General Acute Care Hospital
  • Cheektowaga, NY
  • NPI 1043455199
  Care Compare affiliation
• Sisters of Charity Hospital of Buffalo New York

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1790727543
  Care Compare affiliation

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

{
    "created_epoch": "1137456000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1467431577",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "721 CENTER RD",
            "city": "WEST SENECA",
            "state": "NY",
            "postal_code": "142242181",
            "telephone_number": "716-677-4070",
            "fax_number": "716-677-4095"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "721 CENTER RD",
            "city": "WEST SENECA",
            "state": "NY",
            "postal_code": "142242181",
            "telephone_number": "716-677-4070",
            "fax_number": "716-677-4095"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZAKRZEWSKI",
        "first_name": "LES",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-17",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "154880-1",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00806973",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Quinn Wu
• Kaitlyn Wynecoop
• Elisabeth Morgan Yack
• Olivia Young
• Ryan Michael Young, PMHNP
• Darcy Zappia
• Lisa Zappia, OTR
• Nina Zarembka
• Deborah Francene Zdrojewski, MS,CCC/SLP
• Sharon Janet Zeames, R.N.

• Internal Medicine Physician in West Seneca, NY
• Providers in West Seneca, NY by specialty
• Internal Medicine Physician in New York

• 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.
• 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.