John Francis Keaney III

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

1023073 Issued in MA

Practice address

394 Harrison Ave
Boston, MA 02118-2212

Phone

(617) 903-5000

NPI assigned

Apr 15, 2020

Last updated

Jan 6, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in NY, MA2 enrollments

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 2

Specialty

Internal Medicine

Education

Yale University School of Medicine, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Mass General Brigham Community Physicians IncGroup PAC ID 1759273436, 430 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

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.

• Mass General Brigham Community Physicians Inc.

  • Internal Medicine Physician
  • Haverhill, MA
  • NPI 1891112637
  Medicare reassignment Care Compare group NPD
• Mount Sinai School of Medicine

  • Family Medicine Physician
  • New York, NY
  • NPI 1528538774

  Internal Medicine

  Medicare reassignment NPD
• Mass General Brigham Community Physicians Inc

  • Cardiovascular Disease Physician
  • Medford, MA
  • NPI 1548638265
  NPD
• Mass General Brigham Community Physicians Inc.

  dba One Medical

  • Family Medicine Physician
  • Boston, MA
  • NPI 1265094122

  Internal Medicine

  NPD
• Mount Sinai School of Medicine

  dba Mount Sinai Manhasset Medical

  • Internal Medicine Physician
  • Manhasset, NY
  • NPI 1144659749
  NPD

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

{
    "created_epoch": "1586908800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767657600000",
    "number": "1598384844",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 EMBARCADERO CTR STE 1900",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941113723",
            "telephone_number": "415-658-6791"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "394 HARRISON AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182212",
            "telephone_number": "617-903-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KEANEY",
        "first_name": "JOHN",
        "middle_name": "FRANCIS",
        "name_suffix": "III",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-15",
        "last_updated": "2026-01-06",
        "certification_date": "2026-01-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "327523",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "1023073",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Florence K. O. Keane, MD
• John Keane, MD
• Meredith Keane
• Terence M. Keane, PH.D.
• John F Keaney Jr., M.D.
• John J Keaney, MB BCH BAO
• Kathryn Elizabeth Kear, MS, RD, LDN, CNSC
• Christopher M. Kearney, MD
• Clare Marguerite Kearney, RN
• Gary P Kearney, MD

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 6, 2026; 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.