Individual provider Active NPI

Leah Rose Frankl Demetri, MD

  • Orthopaedic Surgery Physician
  • Boston, MA
National Provider Identifier
1114421450
Registry record updated Mar 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
1014012 Issued in MA
Practice address
75 Francis St
Boston, MA 02115-6110
Phone
(617) 732-5500
NPI assigned
Mar 21, 2018
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 12, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X 1014012 MA Primary
Orthopaedic Hand Surgery Physician 207XS0106X 1014012 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

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
I20230809002332 MA Practitioner - Orthopedic Surgery 2466864699 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Harvard Medical School, 2018
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

Procedures performed for Medicare patients

ProcedureNumber of procedures
Lower limb (leg) arthroscopy (minimally invasive joint repair)1-10
Upper limb (arm) arthroscopy (minimally invasive joint repair)1-10
Removal of tissue1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Massachusetts General Physicians Organization Inc Orthopaedic Surgery CurrentSince Jul 28, 2023 Accepting new patients
Brigham and Women'S Hospital Current Accepting new patients
The General Hospital Corporation CurrentSince Jul 28, 2023 Accepting new patients
Brigham & Womens Physicians Organization Inc Orthopaedic Surgery CurrentSince Jul 28, 2023 Accepting new patients
Brigham and Womens Physicians Organization Inc Past Accepting new patients

Locations

75 Francis St
Boston, MA 02115

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

55 Fruit St
Boston, MA 02114

Interoperability endpoints

  • Direct secure messaging: demetri.leah.bwh@direct.partners.masshiway.net
  • Direct secure messaging: ldemetri591890@hisp.ehr.sutterhealth.org

Organizations & group practices 5

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": "1521590400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773273600000",
    "number": "1114421450",
    "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": [],
    "basic": {
        "last_name": "DEMETRI",
        "first_name": "LEAH",
        "middle_name": "ROSE FRANKL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-03-21",
        "last_updated": "2026-03-12",
        "certification_date": "2026-03-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "MA",
            "license": "1014012",
            "primary": true
        },
        {
            "code": "207XS0106X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Hand Surgery",
            "state": "MA",
            "license": "1014012",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.