William Allen, MD

Primary specialty

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

License

3018537 Issued in MA

Practice address

801 Massachusetts Ave, 6TH Floor
Boston, MA 02119

Phone

(617) 414-5951

Fax

(617) 414-9251

NPI assigned

Mar 24, 2025

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

Practice roles

Interoperability endpoints

• Direct secure messaging: wallen256292@direct.bmc.masshiway.net

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.

• Boston Medical Center Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1346218294
  NPD

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

{
    "created_epoch": "1742774400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747699200000",
    "number": "1073314126",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "801 MASSACHUSETTS AVE FL 6",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182605",
            "telephone_number": "617-414-5951",
            "fax_number": "617-414-9251"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "801 MASSACHUSETTS AVE, 6TH FLOOR",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02119",
            "telephone_number": "617-414-5951",
            "fax_number": "617-414-9251"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALLEN",
        "first_name": "WILLIAM",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-03-24",
        "last_updated": "2025-05-20",
        "certification_date": "2025-05-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "MA",
            "license": "3018537",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rachel Allen, RN
• Richard Allen, BA
• Richard F Allen, D.M.D.
• Vanessa R Allen, LICSW
• Wei-Lin Allen
• Xia Allen, PH.D.
• Sophie H. Allende-Richter, MD
• Rachel Marie Allende, LICSW
• James Abraham Allentuck, NP
• Allergy & Asthma Associates, P.C.

• 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 May 20, 2025; 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.