William D Kasimer

Primary specialty

Anatomic Pathology PhysicianTaxonomy code 207ZP0101X

License

60294 Issued in MA

Practice address

85 Columbian St
Weymouth, MA 02190-2416

Phone

(781) 624-8397

NPI assigned

May 19, 2006

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

University of Pittsburgh School of Medicine, 1984

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Metro South Pathology, Inc.Group PAC ID 8527030972, 6 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• South Shore Hospital Hospital, South Weymouth, MA, CCN 220100
• Dana-Farber Cancer Institute Hospital, Boston, MA, CCN 220162
• Brigham and Women'S Hospital Hospital, Boston, MA, CCN 220110

Merit-based Incentive Payment System (MIPS)

Final score

90.45 of 100Reported as group

Quality

88.12

Improvement activities

40

Cost

77.69

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• Metro South Pathology, Inc.

  • Anatomic Pathology & Clinical Pathology Physician
  • Weymouth, MA
  • NPI 1598870800
  Medicare reassignment Care Compare group NPD Authorized official
• Metro South Pathology, Inc

  • Anatomic Pathology & Clinical Pathology Physician
  • South Weymouth, MA
  • NPI 1467539833
  NPD Authorized official

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Brigham & Womens Hospital, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1790717650
  Care Compare affiliation
• Dana-Farber Cancer Institute, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1851333686
  Care Compare affiliation
• South Shore Hospital Inc.

  • General Acute Care Hospital
  • South Weymouth, MA
  • NPI 1134227606
  Care Compare affiliation

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

{
    "created_epoch": "1147996800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770854400000",
    "number": "1265485288",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1342 BELMONT ST",
            "address_2": "SUITE 205",
            "city": "BROCKTON",
            "state": "MA",
            "postal_code": "023014436",
            "telephone_number": "781-624-8397"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "85 COLUMBIAN ST",
            "city": "WEYMOUTH",
            "state": "MA",
            "postal_code": "021902416",
            "telephone_number": "781-624-8397"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KASIMER",
        "first_name": "WILLIAM",
        "middle_name": "D",
        "name_prefix": "Dr.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-19",
        "last_updated": "2026-02-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0101X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology",
            "state": "MA",
            "license": "60294",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ronnie Kamoga, MD
• John Kane, N.P.
• Bonu Kapoor-Mohimen, MD
• Michelle Margaret Karol, PA
• Sarah Karp, RD, LDN
• Urvinder Kaur, PHARMD
• Alexandra Kay, PT, DPT
• Melinda Kayyal
• Kbedoni Physical Therapy
• Maureen Anne Kearns

• Anatomic Pathology Physician in Weymouth, MA
• Providers in Weymouth, MA by specialty
• Anatomic Pathology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 12, 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.