Individual provider Active NPI

Rebecca Marlene Baron, MD

  • Pulmonary Disease Physician
  • Boston, MA
National Provider Identifier
1861458515
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pulmonary Disease PhysicianTaxonomy code 207RP1001X
License
150708 Issued in MA
Practice address
75 Francis Street PBB Clinics 3
Brigham and Women'S Hospital Pulmonary Division
Boston, MA 02115
Phone
(617) 732-7420
NPI assigned
Apr 21, 2006
Sex
Female
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
Pulmonary Disease Physician 207RP1001X 150708 MA Primary

Addresses

Primary practice location

75 Francis Street PBB Clinics 3
Brigham and Women'S Hospital Pulmonary Division
Boston, MA 02115

Mailing address

75 Francis Street PBB Clinics 3
Brigham and Women'S Hospital Pulmonary Division
Boston, MA 02115
Phone (617) 732-7420

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
I20110310000645 MA Practitioner - Pulmonary Disease 5991987083 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pulmonary Disease
Education
Harvard Medical School, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

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

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Brigham and Women'S Hospital Current Accepting new patients
Brigham & Womens Hospital, Inc. Past Accepting new patients

Locations

75 Francis St
#3
Boston, MA 02115
Phone (617) 732-5325

75 Francis St
Boston, MA 02115

Interoperability endpoints

  • Direct secure messaging: baron.rebecca.bwh@direct.partners.masshiway.net

Organizations & group practices 3

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": "1145577600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1861458515",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "75 FRANCIS STREET PBB CLINICS 3",
            "address_2": "BRIGHAM AND WOMEN'S HOSPITAL PULMONARY DIVISION",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02115",
            "telephone_number": "617-732-7420"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 FRANCIS STREET PBB CLINICS 3",
            "address_2": "BRIGHAM AND WOMEN'S HOSPITAL PULMONARY DIVISION",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02115",
            "telephone_number": "617-732-7420"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BARON",
        "first_name": "REBECCA",
        "middle_name": "MARLENE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-04-21",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MA",
            "license": "150708",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.