Katherine A Gergen Barnett, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

233674 Issued in MA

Practice address

11 Melnea Cass Blvd
Boston, MA 02119-4401

Phone

(617) 414-2080

NPI assigned

Aug 5, 2007

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

Other identifiers 1

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

Family Practice

Education

Yale University School of Medicine, 2005

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Boston University Family Medicine IncGroup PAC ID 0446154074, 67 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Boston Medical Center Hospital, Boston, MA, CCN 220031

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ggergenbarnett288350@direct.ochin.org
• Direct secure messaging: katherine.gergen.-.barnett.1@2017.direct.athenahealth.com
• Direct secure messaging: kgergenbarnett10376@direct.bmc.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.

• Boston University Family Medicine, Inc.

  • Family Medicine Physician
  • Boston, MA
  • NPI 1134166390
  Medicare reassignment Care Compare group NPD
• BMC Affiliated Physicians, Inc.

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1245320910
  Medicare reassignment NPD
• South Boston Community Health Center

  • Community Health Clinic/Center
  • South Boston, MA
  • NPI 1669447413
  Medicare reassignment NPD
• Boston Medical Center Corporation

  • Community Health Clinic/Center
  • Roslindale, MA
  • NPI 1386718823
  Medicare reassignment
• Boston Medical Center Corporation

  • Community Health Clinic/Center
  • Dorchester, MA
  • NPI 1780874677
  NPD
• Boston University Obstetrics and Gynecology Foundation, Inc.

  • Obstetrics & Gynecology Physician
  • Boston, MA
  • NPI 1063459568
  NPD (past)

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

• Boston Medical Center

  • Clinic/Center
  • Dorchester, MA
  • NPI 1487844726

  Hospital

  Care Compare affiliation
• Boston Medical Center Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1164177028
  Care Compare affiliation
• Boston Medical Center Corporation

  • Community Health Clinic/Center
  • South Boston, MA
  • NPI 1225228679

  Hospital

  Care Compare affiliation
• Boston Medical Center Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1346218294
  Care Compare affiliation
• Boston Medical Center Corporation

  • Community Health Clinic/Center
  • Roslindale, MA
  • NPI 1386718823

  Hospital

  Care Compare affiliation
• Boston Medical Center Corporation

  • Community Health Clinic/Center
  • Dorchester, MA
  • NPI 1780874677

  Hospital

  Care Compare affiliation
• Boston Medical Center Corporation

  • Community Health Clinic/Center
  • East Boston, MA
  • NPI 1861683518

  Hospital

  Care Compare affiliation
• Medical Associates of Ebnhc

  • Community Health Clinic/Center
  • East Boston, MA
  • NPI 1255451597

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1186272000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758153600000",
    "number": "1023209129",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "960 MASSACHUSETTS AVE STE 2",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182690"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11 MELNEA CASS BLVD",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021194401",
            "telephone_number": "617-414-2080"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "11 Nevins St Ste 505",
            "address_purpose": "LOCATION",
            "city": "Brighton",
            "state": "MA",
            "postal_code": "021353514",
            "country_code": "US",
            "telephone_number": "617-414-2500",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "409 W Broadway",
            "address_purpose": "LOCATION",
            "city": "South Boston",
            "state": "MA",
            "postal_code": "021272245",
            "country_code": "US",
            "telephone_number": "617-269-7500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GERGEN BARNETT",
        "first_name": "KATHERINE",
        "middle_name": "A",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-08-05",
        "last_updated": "2025-09-18",
        "certification_date": "2025-09-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MA",
            "license": "233674",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110080981A",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Laura Geraty, MS, RD, LDN
• Georg Kurt Gerber, M.D., PH.D.
• Kimberly S. Gerber, PSY.D.
• Ulrike Gerdemann, M.D.
• Jessica Dickey Gereige, M.D.
• Kara Elizabeth Gerger, O.D.
• Frederic J Gerges, MD
• Teddy Gerges
• Marie Denise Gerhard-Herman, MD
• Genevieve Gerhard, MD

• Family Medicine Physician in Boston, MA
• Providers in Boston, MA by specialty
• Family Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 18, 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.