Individual provider Active NPI

Devon Emily McMahon

  • Dermatology Physician
  • Cambridge, MA
National Provider Identifier
1780261925
Registry record updated Nov 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
License
1022178 Issued in MA
Practice address
1493 Cambridge St
Cambridge, MA 02139-1047
Phone
(617) 665-1000
NPI assigned
Mar 25, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 17, 2025

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 1022178 MA Primary
Student in an Organized Health Care Education/Training Program 390200000X

Addresses

Primary practice location

1493 Cambridge St
Cambridge, MA 02139-1047

Mailing address

1493 Cambridge St
Cambridge, MA 02139-1047
Phone (617) 665-1000

Other practice location 1

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

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
I20250529000592 MA Practitioner - Dermatology 5092114793 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Dermatology
Education
Harvard Medical School, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Brigham and Womens Physicians Organization IncGroup PAC ID 3870405988, 2,931 clinicians

Practice addresses (Care Compare)

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

Hospital & facility affiliations

  • Brigham and Women'S Hospital Hospital, Boston, MA, CCN 220110

Procedures performed for Medicare patients

ProcedureNumber of procedures
Melanoma (skin cancer) excision1-10
Removal of skin lesions40
Removal or shaving of skin growth1-10
Skin biopsy20

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
1022178MAMDDermatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Brigham & Womens Physicians Organization Inc Dermatology CurrentSince Jul 1, 2025 Accepting new patients
Brigham and Women'S Hospital Current Accepting new patients

Locations

75 Francis St
Boston, MA 02115

62 13th St
Ste 102
Charlestown, MA 02129

Interoperability endpoints

  • Direct secure messaging: mcmahon.devon.bwh@direct.partners.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.

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": "1616630400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763337600000",
    "number": "1780261925",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1493 CAMBRIDGE ST",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021391047",
            "telephone_number": "617-665-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1493 CAMBRIDGE ST",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021391047",
            "telephone_number": "617-665-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "75 Francis St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021156110",
            "country_code": "US",
            "telephone_number": "617-732-5500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MCMAHON",
        "first_name": "DEVON",
        "middle_name": "EMILY",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-03-25",
        "last_updated": "2025-11-17",
        "certification_date": "2025-11-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "MA",
            "license": "1022178",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Cambridge, MA

Sources for this page

Verify at the official NPI Registry.