Nicholas Harris, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

1021417 Issued in MA

Practice address

55 Lake Ave N
Worcester, MA 01655-0002

Phone

(508) 334-1000

NPI assigned

Apr 3, 2022

Last updated

Oct 23, 2026By the provider in NPPES

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

Hospitalist

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Coastal Medical AssociatesGroup PAC ID 7113029257, 443 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

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Coastal Medical Associates

  • Anesthesiology Physician
  • Weymouth, MA
  • NPI 1932175684
  Medicare reassignment Care Compare group NPD
• South Shore Medical Center, Inc.

  • Internal Medicine Physician
  • Norwell, MA
  • NPI 1669411856
  Medicare reassignment NPD
• South Shore Hospital Inc.

  • General Acute Care Hospital
  • South Weymouth, MA
  • NPI 1134227606
  NPD (past)

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

• Dana-Farber Cancer Institute, Inc.

  dba Dana-Farber Cancer Institute

  • 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": "1648944000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1792713600000",
    "number": "1144961368",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "600 GREENLAWN DR APT 5210",
            "city": "COLUMBIA",
            "state": "SC",
            "postal_code": "292090525",
            "telephone_number": "818-644-1849"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 LAKE AVE N",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016550002",
            "telephone_number": "508-334-1000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HARRIS",
        "first_name": "NICHOLAS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-04-03",
        "last_updated": "2026-10-23",
        "certification_date": "2026-10-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "1021417",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• John E Harris, MD
• Laurie Ann Harris, LCSW
• Linda Rose Harris, PTA
• Mary Denise Harris, LCSW-C
• Michelle Anne Harris
• Rebekah Sage Harris
• Rosemarie Harris
• Shayla Harris
• Cherise Harrison
• Corey D Harrison, MD

• Internal Medicine Physician in Worcester, MA
• Providers in Worcester, MA by specialty
• Internal Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 23, 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.