Madison Lynne Coss, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

034438 Issued in NY

Practice address

602 Ivy St FL 2
Elmira, NY 14905-1646

Phone

(607) 735-4633

Fax

(607) 735-4628

NPI assigned

Jun 25, 2025

Sex

Female

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

Arnot Ogden Medical CenterGroup PAC ID 5395798417, 219 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Arnot Ogden Medical Center Hospital, Elmira, NY, CCN 330090

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mcoss@gppc.medentdirect.com

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.

• Arnot Ogden Medical Center

  • General Acute Care Hospital
  • Elmira, NY
  • NPI 1083605661
  Medicare reassignment Care Compare group
• General Physician, PC

  • Internal Medicine Physician
  • Orchard Park, NY
  • NPI 1063236529
  NPD
• Frederick M. Occhino, D.O.,P.C.

  dba Hamburg Family Medicine

  • Family Medicine Physician
  • Hamburg, NY
  • NPI 1306927157
  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.

• Arnot Ogden Medical Center

  • General Acute Care Hospital
  • Elmira, NY
  • NPI 1083605661
  Care Compare affiliation

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

{
    "created_epoch": "1750809600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779926400000",
    "number": "1184512444",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "600 IVY ST STE 206",
            "city": "ELMIRA",
            "state": "NY",
            "postal_code": "149051627",
            "telephone_number": "607-271-2050",
            "fax_number": "607-271-2071"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "602 IVY ST FL 2",
            "city": "ELMIRA",
            "state": "NY",
            "postal_code": "149051646",
            "telephone_number": "607-735-4633",
            "fax_number": "607-735-4628"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "COSS",
        "first_name": "MADISON",
        "middle_name": "LYNNE",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-06-25",
        "last_updated": "2026-05-28",
        "certification_date": "2026-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": "034438",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cynthia Corkins
• Sheila Cornacchio, HYGENIST
• Roselynn Walela Corrado
• Thomas C Cosad, LCSWR
• Margaret Coseo, LMSW
• Thomas B. Coss, RPA-C
• Kevin M Coughlin, MD
• Karen Elizabeth Coulter, OTR
• County of Chemung (Chemung County Department of Health Home Health Agency)
• County of Chemung (Chemung County Nursing Facility)

• Physician Assistant in Elmira, NY
• Providers in Elmira, 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 May 28, 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.