NPIMap

Individual provider Active NPI

Steven Hersch, MD

  • Internal Medicine Physician
  • Boston, MA
National Provider Identifier
1174512149
Registry record updated Aug 7, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
59509 Issued in MA
Practice address
50 Staniford St FL 10
Boston, MA 02114-2517
Phone
(617) 643-2132
Fax
(617) 724-2219
NPI assigned
Oct 20, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 7, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X MD23853 OR
Internal Medicine Physician 207R00000X 59509 MA Primary

Addresses

Primary practice location

50 Staniford St FL 10
Boston, MA 02114-2517

Mailing address

50 Staniford St FL 10
Boston, MA 02114-2517
Phone (617) 643-2132

Other identifiers 1

IdentifierTypeStateIssuer
286598MedicaidOR

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
I20241112003543 MA Practitioner - Internal Medicine 3274526264 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
University of Southern California Keck School of Medicine, 1986
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Massachusetts General Physicians Organization IncGroup PAC ID 2466365820, 3,494 clinicians

Practice addresses (Care Compare)

50 Staniford St
Boston, MA 02114-2517

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

Hospital & facility affiliations

  • Massachusetts General Hospital Hospital, Boston, MA, CCN 220071
  • Newton-Wellesley Hospital Hospital, Newton, MA, CCN 220101
  • Massachusetts Eye and Ear Infirmary - Hospital, Boston, MA, CCN 220075
  • Brigham and Women'S Hospital Hospital, Boston, MA, CCN 220110
  • North Shore Medical Center - Hospital, Salem, MA, CCN 220035
  • Spaulding Rehabilitation Hospital Inpatient rehabilitation facility, Charlestown, MA, CCN 223034

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
The General Hospital Corporation CurrentSince Dec 1, 2024 Accepting new patients
Massachusetts General Physicians Organization Inc Internal Medicine CurrentSince Dec 1, 2024 Accepting new patients
General Hospital Corp Current Accepting new patients
Southern Oregon Hospitalists PC Past Accepting new patients

Locations

55 Fruit St
Boston, MA 02114

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

50 Staniford St
Fl 10
Boston, MA 02114
Phone (617) 227-6076

62 13th St
Charlestown, MA 02129
Phone (617) 724-4260

Interoperability endpoints

  • Direct secure messaging: hersch.steven.mgh@direct.partners.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 6

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": "1129766400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754524800000",
    "number": "1174512149",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "50 STANIFORD ST FL 10",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142517",
            "telephone_number": "617-643-2132",
            "fax_number": "617-724-2219"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "50 STANIFORD ST FL 10",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142517",
            "telephone_number": "617-643-2132",
            "fax_number": "617-724-2219"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HERSCH",
        "first_name": "STEVEN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-20",
        "last_updated": "2025-08-07",
        "certification_date": "2025-08-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OR",
            "license": "MD23853",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "59509",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "286598",
            "state": "OR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.