NPIMap

Individual provider Active NPI

Thomas R. Mayo, M.D.

  • Anesthesiology Physician
  • Milton, MA
National Provider Identifier
1386955144
Registry record updated May 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
259001 Issued in MA
Practice address
199 Reedsdale Rd
Milton, MA 02186-3926
Phone
(617) 969-4600
NPI assigned
Jun 27, 2010
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 7, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Critical Care Medicine (Anesthesiology) Physician 207LC0200X 259001 MA
Anesthesiology Physician 207L00000X 259001 MA Primary

Addresses

Primary practice location

199 Reedsdale Rd
Milton, MA 02186-3926

Mailing address

55 Wendell Park
Milton, MA 02186-3117
Phone (617) 304-9893

Other identifiers 2

IdentifierTypeStateIssuer
3146512MedicaidNH
110099690AMedicaidMA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, KY2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20140807001973 MA Practitioner - Anesthesiology 4284851668 Reassigns benefits to 3 organizations
I20211221000596 KY Practitioner - AnesthesiologyPractitioner - Other (Physician) 4284851668 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Tufts University School of Medicine, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Boston University Neurology Associates IncGroup PAC ID 6608772462, 60 clinicians
Community Medical Associates IncGroup PAC ID 7012811284, 1,368 clinicians

Practice addresses (Care Compare)

1 Boston Medical Ctr PL
Boston, MA 02118-2908
Phone (617) 638-8456

199 Reedsdale Rd
Milton, MA 02186-3926
Phone (617) 696-4600

330 Brookline Ave
Boston, MA 02215-5400
Phone (617) 754-8612

4915 Norton Healthcare Blvd
Suite 301
Louisville, KY 40241-2866
Phone (502) 394-6460

725 Albany St
Suite 7B
Boston, MA 02118-3549
Phone (617) 638-8456

Hospital & facility affiliations

  • Beth Israel Deaconess Hospital - Milton Hospital, Milton, MA, CCN 220108
  • Norton Hospitals, Inc Hospital, Louisville, KY, CCN 180088
  • Boston Medical Center Hospital, Boston, MA, CCN 220031

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
259001MAMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is CurrentSince Dec 1, 2025 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc Current Accepting new patients
Community Medical Associates, Inc. Current Accepting new patients
Boston University Neurology Associates, Inc. CurrentSince Nov 18, 2023 Accepting new patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is CurrentSince Dec 1, 2025 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Oct 1, 2025 Accepting new patients
Universal Anesthesia Services LLC Anesthesiology CurrentSince Jan 1, 2024 Accepting new patients
Community Medical Associates, Inc. Neurocritical Care CurrentSince Sep 1, 2021 Accepting new patients
Community Medical Associates, Inc. CurrentSince Sep 1, 2021 Accepting new patients
Boston Medical Center Corporation Current Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc Past Accepting new patients

Locations

3423 Solutions Ctr
Chicago, IL 60677

4915 Norton Healthcare Blvd
Ste 301
Louisville, KY 40241
Phone (502) 394-6390

825 Barret Ave
Louisville, KY 40204
Phone (502) 272-5165

200 E Chestnut St
Louisville, KY 40202
Phone (502) 446-8000

3991 Dutchmans Ln
Ste 310
Louisville, KY 40207
Phone (502) 899-6782

725 Albany St
Ste 7B
Boston, MA 02118
Phone (617) 638-7490

960 Massachusetts Ave
Ste 2
Boston, MA 02118

330 Brookline Ave
Boston, MA 02215
Phone (617) 667-2000

725 Albany St
Ste 7
Boston, MA 02118
Phone (617) 638-8456

1 General St
Lawrence, MA 01841
Phone (978) 946-8103

199 Reedsdale Rd
Milton, MA 02186
Phone (617) 313-1000

101 Page St
New Bedford, MA 02740
Phone (508) 961-5425

1 Boston Medical Ctr Pl
Roxbury, MA 02118
Phone (617) 414-5245

Interoperability endpoints

  • Direct secure messaging: tmayo117838@direct.bmc.masshiway.net
  • Direct secure messaging: tmayo216189@direct.nortonhealthcare.org

Organizations & group practices 11

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.

Hospital & facility affiliations 23

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 23

NPI Registry JSON

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

{
    "created_epoch": "1277596800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778112000000",
    "number": "1386955144",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "55 WENDELL PARK",
            "city": "MILTON",
            "state": "MA",
            "postal_code": "021863117",
            "telephone_number": "617-304-9893"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "199 REEDSDALE RD",
            "city": "MILTON",
            "state": "MA",
            "postal_code": "021863926",
            "telephone_number": "617-969-4600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAYO",
        "first_name": "THOMAS",
        "middle_name": "R.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-06-27",
        "last_updated": "2026-05-07",
        "certification_date": "2026-05-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LC0200X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Critical Care Medicine",
            "state": "MA",
            "license": "259001",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MA",
            "license": "259001",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3146512",
            "state": "NH"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110099690A",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Milton, MA

Sources for this page

Verify at the official NPI Registry.