Katharine C Barnes, M.D.

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

244307 Issued in MA

Practice address

330 Brookline Ave
Boston, MA 02215-5400

Phone

(617) 667-3736

NPI assigned

Jul 7, 2010

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 MA

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

University of Massachusetts Medical School, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Island Health Inc. 10 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Martha'S Vineyard Hospital Inc Hospital, Oak Bluffs, MA, CCN 221300

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir.fhirpoint.open.allscripts.com/fhirroute/open/10031202
• Direct secure messaging: kbarnes45590@direct.ctc.masshiway.net

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.

• Island Health Inc.

  • Rural Health Clinic/Center
  • Edgartown, MA
  • NPI 1316077464

  MA

  Medicare reassignment Care Compare group NPD

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

• Martha'S Vineyard Hospital, Inc.

  • Critical Access Hospital
  • Oak Bluffs, MA
  • NPI 1134206386

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1278460800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744243200000",
    "number": "1891007803",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "45 SKEHAN ST # 3",
            "city": "SOMERVILLE",
            "state": "MA",
            "postal_code": "021433737",
            "telephone_number": "267-496-7155"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "330 BROOKLINE AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155400",
            "telephone_number": "617-667-3736"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BARNES",
        "first_name": "KATHARINE",
        "middle_name": "C",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-07-07",
        "last_updated": "2025-04-10",
        "certification_date": "2025-04-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MA",
            "license": "244307",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Douglas Barnes
• Evan Jerrold Barnes
• Hanna Jantzen Barnes, MD
• Jacqueline Phyllis Barnes
• Jeffrey A Barnes, M.D., PH.D
• Katherine Barnes
• Stephanie Barnes, RN
• Elizabeth R Barnet, LICSW
• Isabel Barnet
• Amelia Barnett, MD

• All providers in Boston, MA
• Obstetrics & Gynecology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 10, 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.