Amy Ruth Cassotta, ANP-C

Primary specialty

Adult Health Nurse PractitionerTaxonomy code 363LA2200X

License

F305407-1 Issued in NY

Practice address

450 Alaskan Way S Ste 200
Seattle, WA 98104-2785

Phone

(888) 731-8994

NPI assigned

Feb 24, 2011

Last updated

Mar 5, 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 3

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in MA

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

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

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.

• Martha's Vineyard Hospital, Inc.

  • Internal Medicine Physician
  • Oak Bluffs, MA
  • NPI 1194866210
  Medicare reassignment NPD
• Martha's Vineyard Hospital, Inc.

  • Critical Access Hospital
  • Oak Bluffs, MA
  • NPI 1134206386
  NPD
• Martha's Vineyard Hospital, Inc.

  dba Martha's Vineyard Hospital

  • Rural Health Clinic/Center
  • Oak Bluffs, MA
  • NPI 1508413725
  NPD
• Christine M James ND PLLC

  dba Sound Medical Weight Loss

  • Medical Specialty Clinic/Center
  • Kirkland, WA
  • NPI 1437604428
  NPD (past)
• Prime Care Physicians, P.L.L.C.

  • Cardiovascular Disease Physician
  • Albany, NY
  • NPI 1285627075

  Adult Health

  NPD (past)
• Prime Columbia Greene Medical Associates, PC

  • Internal Medicine Physician
  • Hudson, NY
  • NPI 1093771677
  NPD (past)

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

{
    "created_epoch": "1298505600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772668800000",
    "number": "1548567779",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "450 ALASKAN WAY S STE 200",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981042785",
            "telephone_number": "888-731-8994"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "450 ALASKAN WAY S STE 200",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981042785",
            "telephone_number": "888-731-8994"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "100 Cambridge St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021142509",
            "country_code": "US",
            "telephone_number": "888-731-8994",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CASSOTTA",
        "first_name": "AMY",
        "middle_name": "RUTH",
        "name_prefix": "Ms.",
        "credential": "ANP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-02-24",
        "last_updated": "2026-03-05",
        "certification_date": "2026-03-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "NY",
            "license": "F305407-1",
            "primary": true
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "WA",
            "license": "AP61641168",
            "primary": false
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "MA",
            "license": "RN2288442",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110118495A",
            "state": "MA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "02311659",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sara Elizabeth Cassidy, DDS
• Stephen Cassidy, M.D.
• David Cassius, M.D.
• Robert M Cassman, MD
• Tiffany Cassner, M.A., NCC
• Cassy Dymond (Dymond Healthcare)
• Kyle T Castagno, MT
• Nicole Lorraine Castagno, M,D., M.S.
• Yadira Castaneda Nunez, PA
• Antoinette Castaneda, ARNP

• Adult Health Nurse Practitioner in Seattle, WA
• Providers in Seattle, WA by specialty
• Adult Health Nurse Practitioner in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.