NPIMap

Individual provider Active NPI

Lucas X Marinacci, MD

  • Cardiovascular Disease Physician
  • Boston, MA
National Provider Identifier
1508245432
Registry record updated Feb 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
273100 Issued in MA
Practice address
330 Brookline Ave
Boston, MA 02215-5400
Phone
(617) 667-8800
NPI assigned
May 26, 2015
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 24, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X 273100 MA Primary
Internal Medicine Physician 207R00000X L-262951 MA

Addresses

Primary practice location

330 Brookline Ave
Boston, MA 02215-5400

Mailing address

Massachusetts General Hospital
55 Fruit St.
Boston, MA 02114
Phone (617) 726-5820

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, TX2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20180518001970 MA Practitioner - HospitalistPractitioner - Internal Medicine 6709194301 Reassigns benefits to 2 organizations
I20210319000194 TX Practitioner - Internal Medicine 6709194301 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
Columbia University College of Physicians and Surgeons, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

2014 Washington St
Newton, MA 02462-1607
Phone (617) 243-6000

230 Bowdoin St
Dorchester, MA 02122-1817
Phone (781) 983-9088

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
L-262951MAMDInternal Medicine Physician
273100MAMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Rosebud Indian Health Service CurrentSince Mar 16, 2021 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Sep 1, 2025 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc Internal Medicine Current Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Sep 1, 2025 Accepting new patients
Mass General Brigham Medical Group Suburban Massachusetts Inc Cardiovascular Disease CurrentSince Jan 1, 2023 Accepting new patients
Rosebud Indian Health Service CurrentSince Mar 16, 2021 Accepting new patients
Newton Wellesley Hospital Current Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc Past Accepting new patients

Locations

330 Brookline Ave
Boston, MA 02215
Phone (617) 667-2000

230 Bowdoin St
Dorchester, MA 02122
Phone (617) 754-0100

2014 Washington St
Newtonville, MA 02462
Phone (617) 243-6000

Interoperability endpoints

  • Direct secure messaging: marinacci.lucas.nwh@direct.partners.masshiway.net

Organizations & group practices 8

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.

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1432598400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771891200000",
    "number": "1508245432",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "MASSACHUSETTS GENERAL HOSPITAL",
            "address_2": "55 FRUIT ST.",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02114",
            "telephone_number": "617-726-5820"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "330 BROOKLINE AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155400",
            "telephone_number": "617-667-8800"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARINACCI",
        "first_name": "LUCAS",
        "middle_name": "X",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-05-26",
        "last_updated": "2026-02-24",
        "certification_date": "2026-02-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MA",
            "license": "273100",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "L-262951",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.