Nicholas Anthony Besley, MD

Primary specialty

Neurological Surgery PhysicianTaxonomy code 207T00000X

License

3020499 Issued in MA

Practice address

800 Washington St
Boston, MA 02111-1552

Phone

(303) 818-9157

Fax

(617) 636-7021

NPI assigned

Sep 24, 2021

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

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

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": "1632441600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779408000000",
    "number": "1205507670",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "800 WASHINGTON ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021111552",
            "telephone_number": "303-818-9157",
            "fax_number": "617-636-7021"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 WASHINGTON ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021111552",
            "telephone_number": "303-818-9157",
            "fax_number": "617-636-7021"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BESLEY",
        "first_name": "NICHOLAS",
        "middle_name": "ANTHONY",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-09-24",
        "last_updated": "2026-05-22",
        "certification_date": "2026-05-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "MA",
            "license": "3020499",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jonathan Bender Berz, M.D.
• Tyler M Berzin, MD
• Alexander Beschloss
• Hillel Besdin, DDS
• Carrie Danielle Patterson Besler, PT, DPT
• Christina Besong
• Bespoke Dental Boston
• Luana Bessa, PHD
• Johannah Bessell
• Leah Bessette, RPH

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 22, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.