Thrassos S Calligas, M.D.

Primary specialty

Child & Adolescent Psychiatry PhysicianTaxonomy code 2084P0804X

License

42645 Issued in MA

Practice address

30 Warren St
Fransciscan Children's Hosp.
Brighton, MA 02135-3602

Phone

(617) 779-1688

NPI assigned

May 31, 2006

Last updated

Jul 13, 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 1

Addresses

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

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: tcalligas244831@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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Franciscan Hospital for Children, Inc.

  • Children's Rehabilitation Hospital
  • Boston, MA
  • NPI 1174542013
  NPD (past)
• Franciscan Hospital for Children, Inc.

  • Psychiatric Hospital Unit
  • Boston, MA
  • NPI 1710910427
  NPD (past)

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

{
    "created_epoch": "1149033600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1245277284",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "345 LINCOLN RD",
            "city": "SUDBURY",
            "state": "MA",
            "postal_code": "017761407",
            "telephone_number": "617-779-1688"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "30 WARREN ST",
            "address_2": "FRANSCISCAN CHILDREN'S HOSP.",
            "city": "BRIGHTON",
            "state": "MA",
            "postal_code": "021353602",
            "telephone_number": "617-779-1688"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CALLIGAS",
        "first_name": "THRASSOS",
        "middle_name": "S",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-31",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0804X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
            "state": "MA",
            "license": "42645",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Caitrin Salvucci NP
• Nicole Alessandra Calianese
• Elizabeth Calieri, RRT, CLE
• Jared J Calise, MA
• David Callahan
• Demitrio James Camarena, M.D.
• Rebecca Camargo
• Cambridge Biomedical Inc. (BioAgilytix Diagnostics)
• Jenna Campagna, MA
• Jodie Campbell, LCSW

• Child & Adolescent Psychiatry Physician in Brighton, MA
• Providers in Brighton, MA by specialty
• Child & Adolescent Psychiatry 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.