NPIMap

Individual provider Active NPI

Margaret B McNamara, MD

  • Internal Medicine Physician
  • Boston, MA
National Provider Identifier
1093152134
Registry record updated Jul 21, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
270210 Issued in MA
Practice address
800 Washington St # 600B
Boston, MA 02111-1552
Phone
(617) 636-5400
Fax
(617) 636-1375
NPI assigned
May 30, 2013
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 21, 2022

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207R00000X 270210 MA Primary

Addresses

Primary practice location

800 Washington St # 600B
Boston, MA 02111-1552

Mailing address

800 Washington Street
#600B
Boston, MA 02111
Phone (617) 636-5400

Other practice location 1

593 Eddy St
Providence, RI 02903-4923
Phone (401) 443-4992

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
I20170830003962 MA Practitioner - Internal Medicine 9739306259 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
University of Pittsburgh School of Medicine, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Beth Israel Lahey Health Primary Care, IncGroup PAC ID 7719291434, 351 clinicians

Practice addresses (Care Compare)

15 Railroad Ave
South Hamilton, MA 01982-2218
Phone (978) 468-7381

Hospital & facility affiliations

  • Beth Israel Lahey Health at Home Home health agency, Beverly, MA, CCN 227495
  • Amedisys Home Health Care Home health agency, Wakefield, MA, CCN 227211
  • Winchester Hospital Hospital, Winchester, MA, CCN 220105
  • Lahey Hospital & Medical Center, Burlington Hospital, Burlington, MA, CCN 220171
  • Beth Israel Deaconess Medical Center Hospital, Boston, MA, CCN 220086

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Beth Israel Lahey Health Primary Care Inc Single Specialty CurrentSince Dec 4, 2024 Accepting new patients
Beth Israel Lahey Health Primary Care, Inc. Internal Medicine CurrentSince Dec 4, 2024 Accepting new patients
Winchester Physician Associates, Inc Single Specialty CurrentSince Sep 9, 2024 Accepting new patients

Locations

41 Mall Rd
Burlington, MA 01805
Phone (781) 744-8400

15 Railroad Ave
South Hamilton, MA 01982
Phone (978) 468-7381

500 Salem St
Wilmington, MA 01887
Phone (978) 988-6000

23 Warren Ave
Ste 100
Woburn, MA 01801
Phone (781) 933-1198

Interoperability endpoints

  • Direct secure messaging: bmcnamara451088@direct.bilh.masshiway.net
  • FHIR API: https://api.platform.athenahealth.com/10729/brand/1/csg/1/fhir/r4

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 5

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": "1369872000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1658361600000",
    "number": "1093152134",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "800 WASHINGTON STREET",
            "address_2": "#600B",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02111",
            "telephone_number": "617-636-5400",
            "fax_number": "617-636-1375"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 WASHINGTON ST # 600B",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021111552",
            "telephone_number": "617-636-5400",
            "fax_number": "617-636-1375"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "593 Eddy St",
            "address_purpose": "LOCATION",
            "city": "Providence",
            "state": "RI",
            "postal_code": "029034923",
            "country_code": "US",
            "telephone_number": "401-443-4992",
            "fax_number": "401-784-4902",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MCNAMARA",
        "first_name": "MARGARET",
        "middle_name": "B",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2013-05-30",
        "last_updated": "2022-07-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "270210",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.