Individual provider Active NPI

Geoffrey S Hirsowitz, MD

  • Cardiovascular Disease Physician
  • Boston, MA
National Provider Identifier
1649299744
Registry record updated Feb 17, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
79629 Issued in MA
Practice address
133 Brookline Ave
Boston, MA 02215-3904
Phone
(617) 421-6050
Fax
(617) 421-6083
NPI assigned
Jul 19, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 17, 2021

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 79629 MA Primary

Addresses

Primary practice location

133 Brookline Ave
Boston, MA 02215-3904

Mailing address

133 Brookline Ave
Boston, MA 02215-3904
Phone (617) 421-6050

Other identifiers 8

IdentifierTypeStateIssuer
P00146825OtherMARAILROAD
0014934OtherMANEIGHBORHOOD HEALTH
PM348OtherMAHARVARD PILGRIM
3192521MedicaidMA
079629OtherMDTUFTS HEALTH PLAN
J10769OtherMABLUE CROSS
2158455-003OtherMACIGNA
2158455-003OtherMAHEALTHSOURCE

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address ghirsowitzmd3216@direct.atrius.masshiway.net

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
I20050412000972 MA Practitioner - Cardiovascular Disease (Cardiology) 4385681253 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)
Education
Other, 1975
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Atrius Health IncGroup PAC ID 4789588641, 1,214 clinicians

Practice addresses (Care Compare)

1 Lyons St
Dedham, MA 02026-5599
Phone (781) 329-1400

100 2ND Ave
Needham, MA 02494-2809
Phone (781) 726-4800

1250 Hancock St
Quincy, MA 02169-4339
Phone (617) 740-0600

133 Brookline Ave
Boston, MA 02215-3904
Phone (617) 421-1000

142 Berkeley St
Boston, MA 02116-5100
Phone (617) 859-5000

2 Technology Park Dr
Suite a
Bourne, MA 02532-8341
Phone (508) 743-9543

20 Wall St
Burlington, MA 01803-4758
Phone (781) 221-2500

228 Billerica Rd
Chelmsford, MA 01824-3604
Phone (978) 250-6000

291 Independence Dr
Chestnut Hill, MA 02467-3628
Phone (617) 325-2800

31 Pine St
Suite 300
Norfolk, MA 02056-1680
Phone (781) 493-7200

40 Holland St
Somerville, MA 02144-2705
Phone (617) 629-6000

77 Herrick St
Suite 101
Beverly, MA 01915-2734
Phone (978) 927-4110

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
79629MAMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Atrius Health, Inc. Cardiovascular Disease CurrentSince Aug 29, 1990 Accepting new patients
Atrius Health, Inc. Past Accepting new patients

Locations

77 Herrick St
Ste 101
Beverly, MA 01915
Phone (978) 232-7115

147 Milk St
Boston, MA 02109
Phone (617) 421-2508

147 Milk St
Fl 9
Boston, MA 02109
Phone (617) 559-8051

133 Brookline Ave
Boston, MA 02215
Phone (617) 421-1000

26 City Hall Mall
Medford, MA 02155
Phone (781) 306-5100

40 Holland St
Somerville, MA 02144
Phone (617) 629-6000

Interoperability endpoints

  • Direct secure messaging: ghirsowitzmd3216@direct.atrius.masshiway.net

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1153267200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1613520000000",
    "number": "1649299744",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "133 BROOKLINE AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022153904",
            "telephone_number": "617-421-6050",
            "fax_number": "617-421-6083"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "133 BROOKLINE AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022153904",
            "telephone_number": "617-421-6050",
            "fax_number": "617-421-6083"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HIRSOWITZ",
        "first_name": "GEOFFREY",
        "middle_name": "S",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-19",
        "last_updated": "2021-02-17",
        "certification_date": "2021-02-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MA",
            "license": "79629",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD",
            "identifier": "P00146825",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NEIGHBORHOOD HEALTH",
            "identifier": "0014934",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HARVARD PILGRIM",
            "identifier": "PM348",
            "state": "MA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3192521",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS HEALTH PLAN",
            "identifier": "079629",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS",
            "identifier": "J10769",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CIGNA",
            "identifier": "2158455-003",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTHSOURCE",
            "identifier": "2158455-003",
            "state": "MA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ghirsowitzmd3216@direct.atrius.masshiway.net",
            "affiliation": "N",
            "address_1": "133 Brookline Ave",
            "city": "Boston",
            "state": "MA",
            "country_code": "US",
            "postal_code": "022153904",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.