Caroline Watson, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

Practice address

330 Borthwick Ave Ste 311
Portsmouth, NH 03801-7112

Phone

(603) 692-2228

Fax

(603) 692-4748

NPI assigned

Aug 12, 2026

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Practice roles

Interoperability endpoints

• FHIR API: https://fhir-api.fhirprod.aws.greenwayhealth.com/fhir/R4/2.16.840.1.113883.3.140.72809

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.

• Atlantic Digestive Specialists, PLLC

  • Gastroenterology Physician
  • Somersworth, NH
  • NPI 1316048069
  NPD (past)

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

{
    "created_epoch": "1786492800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786492800000",
    "number": "1902721582",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "21 CLARK WAY",
            "city": "SOMERSWORTH",
            "state": "NH",
            "postal_code": "038784401",
            "telephone_number": "603-692-2228",
            "fax_number": "603-692-4748"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "330 BORTHWICK AVE STE 311",
            "city": "PORTSMOUTH",
            "state": "NH",
            "postal_code": "038017112",
            "telephone_number": "603-692-2228",
            "fax_number": "603-692-4748"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "21 Clark Way",
            "address_purpose": "LOCATION",
            "city": "Somersworth",
            "state": "NH",
            "postal_code": "038784401",
            "country_code": "US",
            "telephone_number": "603-692-2228",
            "fax_number": "603-692-4748",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "330 Borthwick Ave Ste 300",
            "address_purpose": "LOCATION",
            "city": "Portsmouth",
            "state": "NH",
            "postal_code": "038017109",
            "country_code": "US",
            "telephone_number": "603-692-2228",
            "fax_number": "603-692-4748",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WATSON",
        "first_name": "CAROLINE",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-08-12",
        "last_updated": "2026-08-12",
        "certification_date": "2026-08-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lana S. Washburn, LICSW
• Christine Lynn Wasilewski, MD
• Michael A Wassell, PA-C
• Heather Joy Waterhouse
• Cameron M Watson, PT, DPT
• Julianne M Watt
• Catherine Justine Watters
• Watterworth Orthodontics, PA
• Brad Watterworth, DMD
• Jenne R Wax, MD

• Physician Assistant in Portsmouth, NH
• Providers in Portsmouth, NH by specialty
• Physician Assistant in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 12, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.