Robert S Armstrong, M.D.

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

274206-1 Issued in NY

Practice address

550 Orchard Park Rd Ste A103
West Seneca, NY 14224-2654

Phone

(716) 677-5500

Fax

(716) 677-5008

NPI assigned

Mar 30, 2009

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

General Surgery

Education

Wright State University Boonshoft School of Medicine, 2009

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Surgical Associates of Western Ny PCGroup PAC ID 0941238604, 7 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• 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

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/457/brand/1/csg/1/fhir/r4

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.

• Surgical Associates of Western Ny PC

  • Surgery Physician
  • West Seneca, NY
  • NPI 1275588600
  Medicare reassignment Care Compare group NPD
• Mercy Hospital of Buffalo

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1164464921
  NPD (past)
• Trinity Medical Wny PC

  • Vascular Surgery Physician
  • Buffalo, NY
  • NPI 1205468055
  NPD (past)

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

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

{
    "created_epoch": "1238371200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777939200000",
    "number": "1003058520",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "550 ORCHARD PARK RD STE A103",
            "city": "WEST SENECA",
            "state": "NY",
            "postal_code": "142242654",
            "telephone_number": "716-677-5500",
            "fax_number": "716-677-5513"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 ORCHARD PARK RD STE A103",
            "city": "WEST SENECA",
            "state": "NY",
            "postal_code": "142242654",
            "telephone_number": "716-677-5500",
            "fax_number": "716-677-5008"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ARMSTRONG",
        "first_name": "ROBERT",
        "middle_name": "S",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-03-30",
        "last_updated": "2026-05-05",
        "certification_date": "2026-05-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "NY",
            "license": "274206-1",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NPI",
            "identifier": "1003058520",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Cynthia Marie Argen, RN
• Kathleen Elwell Argen, OT
• Francesco Argento
• Linda Armbruster, LPN
• Donald Joseph Armenia, MD
• Lynn-Marie Aronica, M.D.
• Emma Grace Asklar, M.S. ED. CF-SLP
• Associated Healthcare Systems, Inc
• Diane Athans, L.P.N.
• Cynthia Frances Atzrott, CDN

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 5, 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.