NPIMap

Individual provider Active NPI

Alexandros N. Karavas, M.D.

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Boston, MA
National Provider Identifier
1023201563
Registry record updated Sep 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianTaxonomy code 208G00000X
License
277338 Issued in MA
Practice address
732 Harrison Avenue, 3Rd Floor West
Preston Building
Boston, MA 02118-2309
Phone
(617) 638-8488
Fax
(617) 638-8469
NPI assigned
Aug 18, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 3, 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 15063 NH
Surgery Physician 208600000X 277338 MA
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X 277338 MA Primary

Addresses

Primary practice location

732 Harrison Avenue, 3Rd Floor West
Preston Building
Boston, MA 02118-2309

Mailing address

960 Massachusetts Avenue
FL 2
Boston, MA 02118-2690

Other practice location 1

235 N. Pearl St.
Brockton, MA 02301
Phone (508) 427-3000

Other practice location 2

736 Cambridge St.
Brighton, MA 02135
Phone (617) 789-2268

Other practice location 3

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

Other identifiers 2

IdentifierTypeStateIssuer
110182911AMedicaidMA
3133391MedicaidNH

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, MA2 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
I20130409000171 NY Practitioner - Cardiac Surgery 0547444754 Reassigns benefits to 1 organization
I20220325001463 MA Practitioner - Thoracic SurgeryPractitioner - General Surgery 0547444754 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Thoracic SurgeryAlso: General Surgery
Education
Other, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Boston University General Surgical Associates, Inc.Group PAC ID 9830183763, 86 clinicians

Practice addresses (Care Compare)

732 Harrison Ave FL 3
Preston BLDG
Boston, MA 02118-2309
Phone (617) 638-7350

Hospital & facility affiliations

  • Boston Medical Center Hospital, Boston, MA, CCN 220031
  • Good Samaritan Medical Center Hospital, Brockton, MA, CCN 220111
  • Merrimack Health Lawrence Hospital Hospital, Lawrence, MA, CCN 220010

Procedures performed for Medicare patients

ProcedureNumber of procedures
Coronary artery bypass graft (CABG)12

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
277338MAMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mercy Hospital of Buffalo CurrentSince Mar 6, 2019 Accepting new patients
Boston Medical Center Corporation Current Accepting new patients
Boston University General Surgical Associates, Inc.-QMC CurrentSince Apr 23, 2022 Accepting new patients
Mercy Hospital CurrentSince Mar 6, 2019 Accepting new patients
Boston University General Surgical Associates, Inc. Surgery CurrentSince Apr 23, 2022 Accepting new patients
St. Peter'S Health Partners Medical Associates, P.C. Past Accepting new patients
Catholic Medical Center Thoracic Surgery (Cardiothoracic Vascular Surgery) PastSince Feb 13, 2011 Accepting new patients

Locations

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

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

960 Massachusetts Ave
Ste 2
Boston, MA 02118

144 Genesee St
Fl 3
Buffalo, NY 14203
Phone (716) 601-3690

565 Abbott Rd
Buffalo, NY 14220
Phone (716) 826-7000

Interoperability endpoints

  • Direct secure messaging: akaravas161869@direct.bmc.masshiway.net

Organizations & group practices 7

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 10

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": "1187395200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788393600000",
    "number": "1023201563",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "960 MASSACHUSETTS AVENUE",
            "address_2": "FL 2",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182690"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "732 HARRISON AVENUE, 3RD FLOOR WEST",
            "address_2": "PRESTON BUILDING",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182309",
            "telephone_number": "617-638-8488",
            "fax_number": "617-638-8469"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "235 N. Pearl St.",
            "address_purpose": "LOCATION",
            "city": "Brockton",
            "state": "MA",
            "postal_code": "02301",
            "country_code": "US",
            "telephone_number": "508-427-3000",
            "fax_number": "508-427-2209",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "736 Cambridge St.",
            "address_purpose": "LOCATION",
            "city": "Brighton",
            "state": "MA",
            "postal_code": "02135",
            "country_code": "US",
            "telephone_number": "617-789-2268",
            "fax_number": "617-779-6760",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "830 Harrison Avenue, STE 3400",
            "address_2": "Moakley Building",
            "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"
        }
    ],
    "basic": {
        "last_name": "KARAVAS",
        "first_name": "ALEXANDROS",
        "middle_name": "N.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-08-18",
        "last_updated": "2026-09-03",
        "certification_date": "2026-09-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "NH",
            "license": "15063",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MA",
            "license": "277338",
            "primary": false
        },
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "MA",
            "license": "277338",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110182911A",
            "state": "MA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3133391",
            "state": "NH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.