David Walter Casavant, MD

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

155793 Issued in MA

Practice address

55 Fruit St
Ell 317
Boston, MA 02114-2621

Phone

(617) 724-4380

NPI assigned

Nov 7, 2005

Sex

Male

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 3

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

Pediatric MedicineAlso: Critical Care (Intensivists)

Education

Boston University School of Medicine, 1995

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

CHMC Anesthesia Foundation IncGroup PAC ID 0446155568, 131 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: dcasavant22035@direct.bostonchildrens.org

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.

• CHMC Anesthesia Foundation Inc

  • Pediatric Anesthesiology Physician
  • Boston, MA
  • NPI 1831268754

  Pediatrics

  Medicare reassignment Care Compare group NPD
• Children'S Hospital Pediatric Associates, Inc

  • Pediatrics Physician
  • Boston, MA
  • NPI 1457306664
  Medicare reassignment NPD
• Children'S Hospital Corporation

  • Children's Hospital
  • Boston, MA
  • NPI 1710087127
  NPD (past)
• Childrens Hospital Boston

  • Children's Hospital
  • Boston, MA
  • NPI 1770741530
  NPD (past)
• Mount Auburn Hospital

  • Psychiatric Hospital Unit
  • Cambridge, MA
  • NPI 1649254491
  NPD (past)

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

{
    "created_epoch": "1131321600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1720069990",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9142",
            "city": "CHARLESTOWN",
            "state": "MA",
            "postal_code": "021299142",
            "telephone_number": "617-724-0287",
            "fax_number": "617-726-2894"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST",
            "address_2": "ELL 317",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142621",
            "telephone_number": "617-724-4380"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASAVANT",
        "first_name": "DAVID",
        "middle_name": "WALTER",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-07",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MA",
            "license": "155793",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS HEALTH PLAN",
            "identifier": "155793",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS MA",
            "identifier": "J18840",
            "state": "MA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3183947",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Bella Rose Casali, NP
• Fabiana Casanova, M.A.
• Javiera Francisca Casas, DDS
• Marta I Casas, MA
• Colin A Casault, MD
• Amy M Casazza, ANP-BC
• Vincenzo Casbarro, MS, CCC-SLP
• Cascade Counseling & Wellness
• Brianna Allene Casciello, CNM
• Michael Cascio, LICSW

• 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 Jul 13, 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.