Dennis Elliott Lee, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

51287 Issued in MA

Practice address

2000 Washington St
Suite 368 Gastroenterology Health Care Associates
Newton, MA 02462

Phone

(617) 969-1227

Fax

(617) 969-2676

NPI assigned

Mar 22, 2006

Last updated

Jul 13, 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

Other identifiers 3

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

Gastroenterology

Education

Columbia University College of Physicians and Surgeons, 1980

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Gastroenterology Healthcare Associates PCGroup PAC ID 6709832900, 10 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Newton-Wellesley Hospital Hospital, Newton, MA, CCN 220101
• Brigham and Women's Hospital Hospital, Boston, MA, CCN 220110
• Massachusetts General Hospital Hospital, Boston, MA, CCN 220071

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: lee.dennis.ghca@direct.partners.masshiway.net

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.

• Gastroenterology Healthcare Associates PC

  • Gastroenterology Physician
  • Newton, MA
  • NPI 1639399876
  Medicare reassignment Care Compare group NPD

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
• Newton-Wellesley Hospital

  • General Acute Care Hospital
  • Newton, MA
  • NPI 1992737761
  Care Compare affiliation
• The General Hospital Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1023049236
  Care Compare affiliation

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

{
    "created_epoch": "1142985600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1184683617",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2000 WASHINGTON ST",
            "address_2": "SUITE 368",
            "city": "NEWTON",
            "state": "MA",
            "postal_code": "02462",
            "telephone_number": "617-969-1227",
            "fax_number": "617-969-2676"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2000 WASHINGTON ST",
            "address_2": "SUITE 368 GASTROENTEROLOGY HEALTH CARE ASSOCIATES",
            "city": "NEWTON",
            "state": "MA",
            "postal_code": "02462",
            "telephone_number": "617-969-1227",
            "fax_number": "617-969-2676"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEE",
        "first_name": "DENNIS",
        "middle_name": "ELLIOTT",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-22",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MA",
            "license": "51287",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS MA",
            "identifier": "J04534",
            "state": "MA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3002641",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS HEALTH PLAN",
            "identifier": "703023",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Alexandria Catherine Leddy, PA
• Benjamin David Lee, PSYD
• Chao-Min Lee, D.M.D.
• Christina Sunmi Lee, PHD
• Danika Lee
• Emily Claire Lee
• Jeffrey H Lee, M.D.
• Kyu Won Lee, M.D.
• Matthew Lee
• Norman En-Shih Lee, DMD

• Gastroenterology Physician in Newton, MA
• Providers in Newton, MA by specialty
• Gastroenterology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.