Leigh M Firn, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

57872 Issued in MA

Practice address

77 Massachusetts Ave
Mit E23/225
Cambridge, MA 02139-4301

Phone

(617) 253-4909

NPI assigned

Nov 11, 2005

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)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1131667200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1334188800000",
    "number": "1194706507",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "25 CARLETON STREET",
            "address_2": "E23",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021394307",
            "telephone_number": "617-253-4988"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "77 MASSACHUSETTS AVE",
            "address_2": "MIT E23/225",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021394301",
            "telephone_number": "617-253-4909"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FIRN",
        "first_name": "LEIGH",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-11",
        "last_updated": "2012-04-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "57872",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Frank N Finkelstein, M.D.
• Norma Finkelstein
• Julia Finley
• Heather Lynne Finnegan, RN
• Firelight Acupuncture LLC
• Yudelki Marlin Firpo-Perretti, PH.D.
• First Impression Dental, PLLC
• Alan Fisch, MD
• David Fischer
• David S Fish, DMD

• Internal Medicine Physician in Cambridge, MA
• Providers in Cambridge, MA by specialty
• Internal Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 12, 2012; 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.