NPIMap

Individual provider Active NPI

Motaharsadat Hosseini, M.D.

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Boston, MA
National Provider Identifier
1518215128
Registry record updated Jul 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianTaxonomy code 208G00000X
License
1015861 Issued in MA
Practice address
55 Fruit St
Boston, MA 02114-2621
Phone
(617) 726-3726
NPI assigned
Aug 29, 2012
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 20, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X 1015861 MA Primary
Surgery Physician 208600000X P28025 MD
Vascular Surgery Physician 2086S0129X 1015861 MA

Addresses

Primary practice location

55 Fruit St
Boston, MA 02114-2621

Mailing address

55 Fruit St
Boston, MA 02114-2621
Phone (617) 726-3726

Other practice location 1

830 Harrison Avenue, STE 3400
Moakley Bldg.
Boston, MA 02118-2905
Phone (617) 414-8060

Other practice location 2

200 1st St SW
Rochester, MN 55905-0001
Phone (507) 284-2511

Other practice location 3

900 Caton Avenue
Box 207
baltimore, MD 21229
Phone (410) 368-2718

Other practice location 4

732 Harrison Ave, FL 3 West
Preston Bldg.
Boston, MA 02118-2309
Phone (617) 638-8488

Other identifiers 1

IdentifierTypeStateIssuer
110202522AMedicaidMA

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20231012000620 MA Practitioner - Vascular Surgery 7719300797 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Thoracic SurgeryAlso: Vascular Surgery
Education
Other, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

55 Fruit St
Boston, MA 02114-2696
Phone (617) 724-0287

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Coronary artery bypass graft (CABG)45

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
1015861MAMDClinical Social Worker
P28025MDMDSurgery Physician
67209MNMDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Boston University General Surgical Associates, Inc. Surgery CurrentSince Jan 4, 2025 Accepting new patients
Boston University General Surgical Associates, Inc.-QMC CurrentSince Jan 4, 2025 Accepting new patients
General Hospital Corp Current Accepting new patients
Boston Medical Center Corporation Current Accepting new patients
Massachusetts General Physicians Organization Inc Surgery CurrentSince Aug 29, 2023 Accepting new patients
The General Hospital Corporation CurrentSince Aug 29, 2023 Accepting new patients

Locations

732 Harrison Ave
Fl 5
Boston, MA 02118
Phone (617) 414-6840

732 Harrison Ave
Fl 3
Boston, MA 02118
Phone (617) 638-5350

55 Fruit St
Boston, MA 02114

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

Interoperability endpoints

  • Direct secure messaging: mhosseini251163@direct.bmc.masshiway.net
  • Direct secure messaging: hosseini.motaharsadat.mgh@direct.partners.masshiway.net

Organizations & group practices 6

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 7

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": "1346198400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784505600000",
    "number": "1518215128",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142621",
            "telephone_number": "617-726-3726"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142621",
            "telephone_number": "617-726-3726"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "830 Harrison Avenue, STE 3400",
            "address_2": "Moakley Bldg.",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021182905",
            "country_code": "US",
            "telephone_number": "617-414-8060",
            "fax_number": "617-414-8012",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "200 1st St SW",
            "address_purpose": "LOCATION",
            "city": "Rochester",
            "state": "MN",
            "postal_code": "559050001",
            "country_code": "US",
            "telephone_number": "507-284-2511",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "900 Caton Avenue",
            "address_2": "Box 207",
            "address_purpose": "LOCATION",
            "city": "baltimore",
            "state": "MD",
            "postal_code": "21229",
            "country_code": "US",
            "telephone_number": "410-368-2718",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "732 Harrison Ave, FL 3 West",
            "address_2": "Preston Bldg.",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021182309",
            "country_code": "US",
            "telephone_number": "617-638-8488",
            "fax_number": "617-638-8469",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HOSSEINI",
        "first_name": "MOTAHARSADAT",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-08-29",
        "last_updated": "2026-07-20",
        "certification_date": "2026-07-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "MA",
            "license": "1015861",
            "primary": true
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MD",
            "license": "P28025",
            "primary": false
        },
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "MA",
            "license": "1015861",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110202522A",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.