Individual provider Active NPI

Robert E Gerszten, MD

  • Cardiovascular Disease Physician
  • Boston, MA
National Provider Identifier
1235184573
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
77859 Issued in MA
Practice address
32 Fruit Street
Cardiology - Yawkey Outpatient Center
Boston, MA 02114-2620
Phone
(617) 726-6760
NPI assigned
May 24, 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
Cardiovascular Disease Physician 207RC0000X 77859 MA Primary

Addresses

Primary practice location

32 Fruit Street
Cardiology - Yawkey Outpatient Center
Boston, MA 02114-2620

Mailing address

149 13TH Street, Room 8307
Charlestown, MA 02129-2020
Phone (617) 724-8322

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
I20060328000428 MA Practitioner - Cardiovascular Disease (Cardiology)Practitioner - Internal Medicine 7911915277 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)Also: Internal Medicine
Education
Johns Hopkins University School of Medicine, 1989
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

1 Deaconess Rd
Boston, MA 02215-5321
Phone (781) 983-9088

200 Boylston St
Chestnut Hill, MA 02467-2012
Phone (781) 983-9088

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

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Mar 28, 2016 Accepting new patients
Beth Israel Deaconess Medical Center, Inc. CurrentSince Mar 28, 2016 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Mar 28, 2016 Accepting new patients
Beth Israel Deaconess Medical Center, Inc. CurrentSince Mar 28, 2016 Accepting new patients

Locations

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

1 University Ave
Westwood, MA 02090
Phone (617) 754-1021

Interoperability endpoints

  • Direct secure messaging: rgerszten254263@direct.bilh.masshiway.net

Organizations & group practices 4

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 1

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": "1148428800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1235184573",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "149 13TH STREET, ROOM 8307",
            "city": "CHARLESTOWN",
            "state": "MA",
            "postal_code": "021292020",
            "telephone_number": "617-724-8322",
            "fax_number": "617-726-1544"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "32 FRUIT STREET",
            "address_2": "CARDIOLOGY - YAWKEY OUTPATIENT CENTER",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142620",
            "telephone_number": "617-726-6760"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GERSZTEN",
        "first_name": "ROBERT",
        "middle_name": "E",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-24",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MA",
            "license": "77859",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.