Kieley Legrand Chapman, MD

Primary specialty

Pediatric Gastroenterology PhysicianTaxonomy code 2080P0206X

License

292076 Issued in MA

Practice address

300 Longwood Ave
Boston, MA 02115-5724

Phone

(617) 355-6000

NPI assigned

Mar 24, 2019

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

• Kieley L O'Connor-Chapman Other 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

Specialty

Gastroenterology

Education

Icahn School of Medicine at Mount Sinai, 2019

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: koconnorchapman28092@direct.bostonchildrens.org
• Direct secure messaging: koconnorchapman117908@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 Medical Center Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1346218294
  NPD

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

{
    "created_epoch": "1553385600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780617600000",
    "number": "1336609486",
    "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",
            "telephone_number": "617-355-6000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 LONGWOOD AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021155724",
            "telephone_number": "617-355-6000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAPMAN",
        "first_name": "KIELEY",
        "middle_name": "LEGRAND",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-24",
        "last_updated": "2026-06-05",
        "certification_date": "2026-06-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0206X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Gastroenterology",
            "state": "MA",
            "license": "292076",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KIELEY",
            "last_name": "O'CONNOR-CHAPMAN",
            "middle_name": "L",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Esteban Chapeta, PT
• Jennifer L Chapin, CCC-SLP
• Chava E Chapman, M.D., M.P.H.
• Daniel Adam Chapman, PT
• Jennifer Chapman, OTR/L
• Kimberly Arkell Chapman
• Lauren Elizabeth Chapman, MD
• Paul Hamilton Chapman, MD
• Rita C. Chapman, RN
• Robert J. Chapman, DMD

• Pediatric Gastroenterology Physician in Boston, MA
• Providers in Boston, MA by specialty
• Pediatric Gastroenterology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 5, 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.