Megan Leslie Calmus, M.D.

Primary specialty

Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X

License

250092 Issued in MA

Practice address

119 Belmont St
Worcester, MA 01605-2903

Phone

(508) 334-6206

Fax

(508) 334-6083

NPI assigned

Feb 12, 2009

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 1

Electronic endpoints 1

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

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.

• Umass Memorial Medical Group Inc

  • Internal Medicine Physician
  • Worcester, MA
  • NPI 1760445373
  Medicare reassignment
• VHS Acquisition Subsidiary Number 7 Inc

  • General Acute Care Hospital
  • Worcester, MA
  • NPI 1538131214
  NPD (past)

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

{
    "created_epoch": "1234396800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773014400000",
    "number": "1821237983",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 415348",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022415348",
            "telephone_number": "800-225-8885",
            "fax_number": "508-334-1977"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "119 BELMONT ST",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016052903",
            "telephone_number": "508-334-6206",
            "fax_number": "508-334-6083"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CALMUS",
        "first_name": "MEGAN",
        "middle_name": "LESLIE",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-02-12",
        "last_updated": "2026-03-09",
        "certification_date": "2026-03-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MA",
            "license": "250092",
            "primary": false
        },
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "MA",
            "license": "250092",
            "primary": true
        },
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "VA",
            "license": "0101287969",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110118166A",
            "state": "MA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "119 Belmont St",
            "city": "Worcester",
            "state": "MA",
            "country_code": "US",
            "postal_code": "016052903",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Katherine M Callaghan, M.D.
• Kyle Matthew Callaghan
• Sheila M Callahan Butler, MD
• Colleen J Callahan, M.ED., BCBA, LABA
• Daniel Callahan, D.M.D
• Ashley Calore
• Moise Calypso II
• Erica Zane Camacho
• Zachary A. Camann, M.D.
• Joshua Camara, D.O.

• Neonatal-Perinatal Medicine Physician in Worcester, MA
• Providers in Worcester, MA by specialty
• Neonatal-Perinatal Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 9, 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.