Alexandra Rian Peters, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

021343 Issued in NY

Practice address

193 S Union Rd
Williamsville, NY 14221-6531

Phone

(609) 585-1122

Fax

(609) 585-0309

NPI assigned

Sep 7, 2017

Sex

Female

Sole proprietor

Yes

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: No

Green means eligible to order or refer.

Enrollment records 1

Merit-based Incentive Payment System (MIPS)

Final score

89 of 100Reported as group

Quality

76.13

Improvement activities

40

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.

• University Emergency Medical Services Inc.

  • Emergency Medicine Physician
  • Buffalo, NY
  • NPI 1972540482
  Medicare reassignment
• First Docs PC

  • Internal Medicine Physician
  • Naperville, IL
  • NPI 1417655465

  NY

  Medicare reassignment
• Mercer Bucks Medical Associates, P.C.

  • Internal Medicine Physician
  • Levittown, PA
  • NPI 1952485971

  NY

  Medicare reassignment
• Ub Family Medicine, Inc

  • Family Medicine Physician
  • Williamsville, NY
  • NPI 1942294467
  NPD
• Safire Rehabilitation of Northtowns, LLC

  • Skilled Nursing Facility
  • Tonawanda, NY
  • NPI 1093191488
  NPD (past)

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

{
    "created_epoch": "1504742400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771459200000",
    "number": "1346768652",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7411009",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606743009",
            "telephone_number": "609-585-1122",
            "fax_number": "609-585-0309"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "193 S UNION RD",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142216531",
            "telephone_number": "609-585-1122",
            "fax_number": "609-585-0309"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "200 7th St",
            "address_purpose": "LOCATION",
            "city": "Buffalo",
            "state": "NY",
            "postal_code": "142012161",
            "country_code": "US",
            "telephone_number": "609-585-1122",
            "fax_number": "609-585-0309",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2799 Sheridan Dr",
            "address_purpose": "LOCATION",
            "city": "Tonawanda",
            "state": "NY",
            "postal_code": "141509463",
            "country_code": "US",
            "telephone_number": "609-585-1122",
            "fax_number": "609-585-0309",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PETERS",
        "first_name": "ALEXANDRA",
        "middle_name": "RIAN",
        "credential": "PA-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2017-09-07",
        "last_updated": "2026-02-19",
        "certification_date": "2026-02-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": "021343",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "04925462",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Susan Perlow, SLP
• Debra Louise Perry, LPN
• Katherine Dwight Perry, NP
• Amanda Persaud, M.D.
• Carol Ann Peter-Tabone, LCSW
• Cassandra Peters, RN
• Lynda Ann Peters, LPN
• Anne Marie Peterson, FNP
• Caylee Peterson, LPN
• Kelsey E. Peterson, LMSW

• Physician Assistant in Williamsville, NY
• Providers in Williamsville, 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 19, 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.