Justin J Frere, MD, PHD

Primary specialty

Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X

Practice address

60 Fenwood Rd
Boston, MA 02115-6128

Phone

(617) 732-6753

NPI assigned

Mar 27, 2026

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

Practice roles

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.

• Brigham & Womens Physicians Organization Inc

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1033535497
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1774569600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774569600000",
    "number": "1003755646",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "60 FENWOOD RD",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156128",
            "telephone_number": "617-732-6753"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "60 FENWOOD RD",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156128",
            "telephone_number": "617-732-6753"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FRERE",
        "first_name": "JUSTIN",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-03-27",
        "last_updated": "2026-03-27",
        "certification_date": "2026-03-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "MA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Gyorgy Frendl, MD PHD
• Angela M. Freniere, M.D.
• Nathan Elie Frenk, MD
• Keegan Cameron Frenya
• Amy Frenzel, P.T.
• Taylor Freret, MED, MD 2017
• Kai Frerichs, MD
• Alana Maria Esther Fretes Burgos, MD
• Lindsay R Freud, MD
• Oliver Freudenreich, MD

• Student in an Organized Health Care Education/Training Program in Boston, MA
• Providers in Boston, MA by specialty
• Student in an Organized Health Care Education/Training Program in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.