Kristen Hart Shanahan, MD

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

274594 Issued in MA

Practice address

300 Longwood Ave
Pavilion 129 - Housestaff Lounge
Boston, MA 02115-5724

Phone

(617) 355-6000

NPI assigned

Apr 3, 2015

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 names 1

• Kristen Michelle Hart Former name

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: shanahan.kristen.mgh@direct.partners.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.

• Massachusetts General Physicians Organization Inc

  • Dermatology Physician
  • Boston, MA
  • NPI 1801874573

  Pediatrics

  Medicare reassignment NPD
• The General Hospital Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1023049236
  Medicare reassignment NPD
• General Hospital Corp

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1508390014
  NPD

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

{
    "created_epoch": "1428019200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1326433590",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 LONGWOOD AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021155724"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 LONGWOOD AVE",
            "address_2": "PAVILION 129 - HOUSESTAFF LOUNGE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021155724",
            "telephone_number": "617-355-6000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SHANAHAN",
        "first_name": "KRISTEN",
        "middle_name": "HART",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-04-03",
        "last_updated": "2025-09-11",
        "certification_date": "2022-05-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MA",
            "license": "274594",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KRISTEN",
            "last_name": "HART",
            "middle_name": "MICHELLE",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Shamus Hogan, LLC
• Gloria Shan, M.D.
• Bassel M Shanab, MD
• Courtney Shanahan Scharneck, LMT
• Kathryn Shanahan
• Jennifer I Shand Pritchard, RN
• Joan Shang
• Matthew Shang, PSY.D.
• Siyi Shangguan, M.D.
• Erik Skatvik Shank, MD

• Pediatrics Physician in Boston, MA
• Providers in Boston, MA by specialty
• Pediatrics Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.