William Thomas Rothwell, MD PHD

Primary specialty

Clinical Pathology PhysicianTaxonomy code 207ZC0006X

License

1014255 Issued in MA

Practice address

50 Northern Ave
Boston, MA 02210-1862

Phone

(857) 276-5490

NPI assigned

Mar 26, 2019

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

Specialty

Pathology

Education

Perelman School of Med at the University of Pennsylvania, 2019

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

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.

• Brigham & Womens Physicians Organization Inc

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1033535497
  Medicare reassignment NPD
• Massachusetts General Physicians Organization Inc

  • Dermatology Physician
  • Boston, MA
  • NPI 1801874573
  Medicare reassignment NPD
• The General Hospital Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1023049236
  Medicare reassignment NPD

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

{
    "created_epoch": "1553558400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785196800000",
    "number": "1669933487",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "336 CHELSEA ST UNIT 6",
            "city": "EAST BOSTON",
            "state": "MA",
            "postal_code": "021285001"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "50 NORTHERN AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022101862",
            "telephone_number": "857-276-5490"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ROTHWELL",
        "first_name": "WILLIAM",
        "middle_name": "THOMAS",
        "name_prefix": "Dr.",
        "credential": "MD PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-26",
        "last_updated": "2026-07-28",
        "certification_date": "2026-07-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZC0006X",
            "taxonomy_group": "",
            "desc": "Pathology, Clinical Pathology",
            "state": "MA",
            "license": "1014255",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lauren Rothkopf, MD
• Alyssa Lynn Rothman
• Jason S Rothman, MD
• Janice G Rothschild, MD, FACS
• Richard Rothstein, DMD
• Annie Rotner, LCSW
• Helen R Rotondi, FNP-C
• Julia K Rotow, MD
• Nancy S Rotter, PHD
• Melanie Catherine Rotty, NP

• Clinical Pathology Physician in Boston, MA
• Providers in Boston, MA by specialty
• Clinical Pathology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 28, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.