Individual provider Active NPI

Ryan Katharine Parker, PA-C

  • Physician Assistant
  • Boston, MA
National Provider Identifier
1487565362
Registry record updated Sep 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
Practice address
300 Longwood Ave
Boston, MA 02115-5724
Phone
(617) 895-8100
NPI assigned
Sep 17, 2026
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 17, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X MA Primary

Addresses

Primary practice location

300 Longwood Ave
Boston, MA 02115-5724

Mailing address

34 Circuit Rd
Winthrop, MA 02152-2305
Phone (617) 895-8100

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

NPI Registry JSON

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

{
    "created_epoch": "1789603200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789603200000",
    "number": "1487565362",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "34 CIRCUIT RD",
            "city": "WINTHROP",
            "state": "MA",
            "postal_code": "021522305",
            "telephone_number": "617-895-8100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 LONGWOOD AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021155724",
            "telephone_number": "617-895-8100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PARKER",
        "first_name": "RYAN",
        "middle_name": "KATHARINE",
        "credential": "PA-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-09-17",
        "last_updated": "2026-09-17",
        "certification_date": "2026-09-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.