Emily Demaso, MS, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

Practice address

1275 York Ave
New York, NY 10065-6007

Phone

(203) 400-7616

NPI assigned

Dec 2, 2025

Last updated

Feb 26, 2026By the provider in NPPES

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

Mskcc Surgery GroupGroup PAC ID 0345131405, 365 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science

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.

• Mskcc Surgery Group

  • Surgical Oncology Physician
  • New York, NY
  • NPI 1699766261
  Medicare reassignment Care Compare group

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

{
    "created_epoch": "1764633600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772064000000",
    "number": "1871455493",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1275 YORK AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100656007"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1275 YORK AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100656007",
            "telephone_number": "203-400-7616"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DEMASO",
        "first_name": "EMILY",
        "credential": "MS, PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-12-02",
        "last_updated": "2026-02-26",
        "certification_date": "2026-02-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Anthony Gaetano Demartino
• Cassandra Demartino
• Christina Noel Demartino, RPA-C
• Nicholas Demas, PH.D.
• Stephanie Demas, DDS
• Isabelle Dematteis
• Jonathan Dematteis, PT
• Celine Rahman Dematteo, M.D.
• Christopher Joseph Dematteo, MD
• Raymond Dematteo

• Physician Assistant in New York, NY
• Providers in New York, 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 26, 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.