Individual provider Active NPI

Rebecca Ivy Hartman, M.D., M.P.H.

  • Dermatology Physician
  • Boston, MA
National Provider Identifier
1427496793
Registry record updated Jun 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
License
270136 Issued in MA
Practice address
75 Francis St
Boston, MA 02115-6110
Phone
(617) 732-5500
NPI assigned
Jun 10, 2013
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 11, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatology Physician 207N00000X 270136 MA Primary
Internal Medicine Physician 207R00000X 255599 MA

Addresses

Primary practice location

75 Francis St
Boston, MA 02115-6110

Mailing address

75 Francis St
Boston, MA 02115-6110
Phone (617) 732-5500

Other practice location 1

150 S Huntington Ave
Boston, MA 02130-4817
Phone (617) 232-9500

Other practice location 2

221 Longwood Ave
Boston, MA 02115-5804
Phone (617) 732-4918

Other practice location 3

50 Staniford St
Boston, MA 02114-2517
Phone (617) 726-2914

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
I20170530001448 MA Practitioner - Dermatology 1951545664 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Dermatology
Education
Perelman School of Med at the University of Pennsylvania, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dana-Farber Cancer Institute, Inc.Group PAC ID 9133038904, shared by 5 NPIs, 671 clinicians

Practice addresses (Care Compare)

450 Brookline Ave
Boston, MA 02215-5418

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions52
Skin biopsy36

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Dana-Farber Cancer Institute, Inc. CurrentSince Jul 1, 2017 Accepting new patients
Dana-Farber Cancer Institute, Inc. CurrentSince Jul 1, 2017 Accepting new patients
Brigham & Womens Physicians Organization Inc Dermatology CurrentSince Jul 1, 2017 Accepting new patients
Dana-Farber Cancer Institute, Inc. CurrentSince Jul 1, 2017 Accepting new patients

Locations

221 Longwood Ave
Boston, MA 02115
Phone (617) 732-4918

75 Francis St
Boston, MA 02115

450 Brookline Ave
Boston, MA 02215
Phone (508) 478-2061

375 Boylston St
Brookline, MA 02445
Phone (508) 718-4010

Interoperability endpoints

  • Direct secure messaging: hartman.rebecca.dfci@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 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": "1370822400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781136000000",
    "number": "1427496793",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156110",
            "telephone_number": "617-732-5500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156110",
            "telephone_number": "617-732-5500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "150 S Huntington Ave",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021304817",
            "country_code": "US",
            "telephone_number": "617-232-9500",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "221 Longwood Ave",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021155804",
            "country_code": "US",
            "telephone_number": "617-732-4918",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "50 Staniford St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021142517",
            "country_code": "US",
            "telephone_number": "617-726-2914",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HARTMAN",
        "first_name": "REBECCA",
        "middle_name": "IVY",
        "name_prefix": "Dr.",
        "credential": "M.D., M.P.H.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-06-10",
        "last_updated": "2026-06-11",
        "certification_date": "2026-06-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "MA",
            "license": "270136",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "255599",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.