Leonard M Rubin, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

71971 Issued in MA

Practice address

15 Parkman St
5TH Floor Wang Ambulatory Care Bullfinch Medical Group
Boston, MA 02114-3130

Phone

(617) 724-6672

Fax

(617) 724-6829

NPI assigned

Oct 26, 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

Other identifiers 3

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1130284800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1013907385",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9142",
            "address_2": "MASS GENERAL PHYSICIAN ORGANIZATION",
            "city": "CHARLESTOWN",
            "state": "MA",
            "postal_code": "021299142",
            "telephone_number": "617-724-0287",
            "fax_number": "617-726-2894"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15 PARKMAN ST",
            "address_2": "5TH FLOOR WANG AMBULATORY CARE BULLFINCH MEDICAL GROUP",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021143130",
            "telephone_number": "617-724-6672",
            "fax_number": "617-724-6829"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RUBIN",
        "first_name": "LEONARD",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-26",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "71971",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS MA",
            "identifier": "J09313",
            "state": "MA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3057658",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS HEALTH PLAN",
            "identifier": "071971",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Jessica Rubin
• Jonah Rubin, MD
• Krista M Rubin, NP
• Lauren Okun Rubin, MD
• Lawrence Rubin, D.M.D.
• Marcie Ann Rubin, MD
• Mark A Rubin, MD
• Marlene Rubin, LICSW
• Melissa Brooke Rubin, MD
• Rachel Emily Rubin

• Internal Medicine Physician in Boston, MA
• Providers in Boston, 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 Jul 13, 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.