Catherine Grace Potter, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

38499 Issued in NH

Practice address

155 Griffin Rd
Portsmouth, NH 03801-2093

Phone

(603) 431-6011

NPI assigned

Mar 22, 2021

Last updated

Oct 6, 2025By 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 NH

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Obstetrics/Gynecology

Education

Tufts University School of Medicine, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Harbour Womens Health PLLCGroup PAC ID 5395774954, 14 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Portsmouth Regional Hospital Hospital, Portsmouth, NH, CCN 300029

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/HEFEBA
• FHIR API: https://fhir4.healow.com/fhir/r4/HEFEBA/Endpoint/HEFEBA

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.

• Harbour Womens Health PLLC

  dba Harbour Women's Health

  • Obstetrics & Gynecology Physician
  • Portsmouth, NH
  • NPI 1720021710
  Medicare reassignment Care Compare group NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• HCA Health Services of New Hampshire Inc

  dba Portsmouth Regional Hospital

  • General Acute Care Hospital
  • Portsmouth, NH
  • NPI 1518913607
  Care Compare affiliation

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

{
    "created_epoch": "1616371200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759708800000",
    "number": "1043896970",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "155 GRIFFIN RD",
            "city": "PORTSMOUTH",
            "state": "NH",
            "postal_code": "038012093"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "155 GRIFFIN RD",
            "city": "PORTSMOUTH",
            "state": "NH",
            "postal_code": "038012093",
            "telephone_number": "603-431-6011"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "POTTER",
        "first_name": "CATHERINE",
        "middle_name": "GRACE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-03-22",
        "last_updated": "2025-10-06",
        "certification_date": "2025-10-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "NH",
            "license": "38499",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Portsmouth Surgicenter, LLC (New England Center for Orthopaedic Surgery)
• Portsmouth Trauma and Surgical Care, LLC
• Portsmouth Vision Center, LLC
• Viena Gerlaine Posada, D.M.D.
• Diana Post, BA
• Jeremy Potter
• Jessica Charlene Potter
• Melanie Potter, NP-C
• Jennifer Pottle
• Bartholomew Poulin

• Obstetrics & Gynecology Physician in Portsmouth, NH
• Providers in Portsmouth, NH by specialty
• Obstetrics & Gynecology Physician in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 6, 2025; 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.