Leonardo Simonelli, MD

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

3020449 Issued in MA

Practice address

85 E Concord St Ste 3000
Boston, MA 02118-2335

Phone

(617) 638-8442

NPI assigned

Mar 21, 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

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

{
    "created_epoch": "1774051200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783296000000",
    "number": "1124976337",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "85 E CONCORD ST STE 3000",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182335",
            "telephone_number": "617-638-8442"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "85 E CONCORD ST STE 3000",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182335",
            "telephone_number": "617-638-8442"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIMONELLI",
        "first_name": "LEONARDO",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-03-21",
        "last_updated": "2026-07-06",
        "certification_date": "2026-07-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MA",
            "license": "3020449",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Emily Allen Simonds, PA-C
• Margaret Anna Simonds, RDN
• Michelle Simonds, MPH
• William Simone-Skidmore, PHD
• Tregony C Simoneau, MD
• Juliana Santos Simonetti, M.D.
• Rebekha Rhiannon Simons, PSYM
• Stephanie Erica Simons, BSN RN
• Claus Z Simonsen, MD, PHD
• Donald C. Simonson, M.D.

• Surgery Physician in Boston, MA
• Providers in Boston, MA by specialty
• Surgery Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 6, 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.