Individual provider Active NPI

Thomas T Simopoulos, M.D.

  • Pain Medicine (Anesthesiology) Physician
  • Boston, MA
National Provider Identifier
1295774289
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pain Medicine (Anesthesiology) PhysicianTaxonomy code 207LP2900X
License
159056 Issued in MA
Practice address
330 Brookline Ave
Boston, MA 02215-5400
Phone
(617) 667-3334
NPI assigned
Jun 5, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pain Medicine (Anesthesiology) Physician 207LP2900X 159056 MA Primary

Addresses

Primary practice location

330 Brookline Ave
Boston, MA 02215-5400

Mailing address

10 Andrews Way
Southborough, MA 01772-1024
Phone (617) 667-3334

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
I20040527001365 MA Practitioner - Anesthesiology 1456332162 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
University of Massachusetts Medical School, 1995
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr IncGroup PAC ID 4486567104, shared by 12 NPIs, 1,693 clinicians

Practice addresses (Care Compare)

1 Deaconess Rd
Boston, MA 02215-5321

330 Brookline Ave
Boston, MA 02215-5400

600 Unicorn Park Dr
Woburn, MA 01801-3376

Hospital & facility affiliations

  • Beth Israel Deaconess Medical Center Hospital, Boston, MA, CCN 220086
  • Mount Auburn Hospital Hospital, Cambridge, MA, CCN 220002
  • Brigham and Women'S Hospital Hospital, Boston, MA, CCN 220110

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
159056MAMDPain Medicine (Anesthesiology) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is CurrentSince Sep 1, 2025 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Aug 1, 2025 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince May 18, 1999 Accepting new patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is Current Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc Pain Medicine CurrentSince May 18, 1999 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc Past Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc Past Accepting new patients
Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Ce Past Accepting new patients

Locations

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

1 Brookline Pl
Ste 105
Brookline, MA 02445
Phone (617) 278-8000

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

Interoperability endpoints

  • Direct secure messaging: tsimopoulos253741@direct.bilh.masshiway.net

Organizations & group practices 8

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 3

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

NPI Registry JSON

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

{
    "created_epoch": "1149465600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1295774289",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10 ANDREWS WAY",
            "city": "SOUTHBOROUGH",
            "state": "MA",
            "postal_code": "017721024",
            "telephone_number": "617-667-3334"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "330 BROOKLINE AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155400",
            "telephone_number": "617-667-3334"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIMOPOULOS",
        "first_name": "THOMAS",
        "middle_name": "T",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-05",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "MA",
            "license": "159056",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.