Individual provider Active NPI

Michael Thomas, DO

  • Anesthesiology Physician
  • Worcester, MA
National Provider Identifier
1093392854
Registry record updated Nov 7, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
1024847 Issued in MA
Practice address
55 Lake Ave N
Worcester, MA 01655-0002
Phone
(508) 856-3271
Fax
(502) 833-4829
NPI assigned
Mar 26, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 7, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 1024847 MA Primary

Addresses

Primary practice location

55 Lake Ave N
Worcester, MA 01655-0002

Mailing address

PO Box 415348
Boston, MA 02241-5348
Phone (800) 225-8885

Other practice location 1

119 Belmont St
Worcester, MA 01605-2903
Phone (508) 856-5911

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20251201003773 MA Practitioner - Anesthesiology 2860985611 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Chicago College of Osteopathy, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Umass Memorial Medical Group IncGroup PAC ID 4284539891, 2,494 clinicians

Practice addresses (Care Compare)

55 Lake Ave N
Worcester, MA 01655-0002
Phone (508) 334-1000

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
1024847MAMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Umass Memorial Medical Group, Inc. CurrentSince Nov 1, 2025 Accepting new patients
Umass Memorial Medical Group Inc Anesthesiology Current Accepting new patients

Locations

55 Lake Ave N
Worcester, MA 01655
Phone 508334100048862

119 Belmont St
Worcester, MA 01605
Phone (508) 334-6345

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1616716800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762473600000",
    "number": "1093392854",
    "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": "55 LAKE AVE N",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016550002",
            "telephone_number": "508-856-3271",
            "fax_number": "502-833-4829"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "119 Belmont St",
            "address_purpose": "LOCATION",
            "city": "Worcester",
            "state": "MA",
            "postal_code": "016052903",
            "country_code": "US",
            "telephone_number": "508-856-5911",
            "fax_number": "508-334-8204",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "THOMAS",
        "first_name": "MICHAEL",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-26",
        "last_updated": "2025-11-07",
        "certification_date": "2025-11-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MA",
            "license": "1024847",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Worcester, MA

Sources for this page

Verify at the official NPI Registry.