Individual provider Active NPI

David Mayo Slovik, MD

  • Internal Medicine Physician
  • Boston, MA
National Provider Identifier
1275517393
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
36497 Issued in MA
Practice address
15 Parkman St
Wac 730S
Boston, MA 02114-3117
Phone
(617) 726-6723
Fax
(617) 726-1703
NPI assigned
Dec 1, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 36497 MA Primary
Endocrinology, Diabetes & Metabolism Physician 207RE0101X 36497 MA

Addresses

Primary practice location

15 Parkman St
Wac 730S
Boston, MA 02114-3117

Mailing address

PO Box 9142
Mass General Physician Organization
Charlestown, MA 02129-9142
Phone (617) 724-0287

Other identifiers 3

IdentifierTypeStateIssuer
707119OtherMATUFTS HEALTH PLAN
2033208MedicaidMA
V01880OtherMABCBS MA

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20040812001174 MA Practitioner - EndocrinologyPractitioner - Internal Medicine 2062485659 Reassigns benefits to 3 organizations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
General Hospital Corp Current Accepting new patients
The General Hospital Corporation CurrentSince Oct 1, 2006 Accepting new patients
Mass General Brigham Medical Group Suburban Massachusetts Inc CurrentSince Apr 1, 2017 Accepting new patients
Massachusetts General Physicians Organization Inc Internal Medicine CurrentSince May 1, 1975 Accepting new patients

Locations

15 Parkman St
#730S
Boston, MA 02114
Phone (617) 726-3872

125 Nashua St
Boston, MA 02114
Phone (617) 573-2687

55 Fruit St
Boston, MA 02114

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

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

Interoperability endpoints

  • Direct secure messaging: slovik.david.mgh@direct.partners.masshiway.net

Organizations & group practices 4

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.

NPI Registry JSON

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

{
    "created_epoch": "1133395200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1275517393",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9142",
            "address_2": "MASS GENERAL PHYSICIAN ORGANIZATION",
            "city": "CHARLESTOWN",
            "state": "MA",
            "postal_code": "021299142",
            "telephone_number": "617-724-0287",
            "fax_number": "617-726-2894"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15 PARKMAN ST",
            "address_2": "WAC 730S",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021143117",
            "telephone_number": "617-726-6723",
            "fax_number": "617-726-1703"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SLOVIK",
        "first_name": "DAVID",
        "middle_name": "MAYO",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-01",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "36497",
            "primary": true
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "MA",
            "license": "36497",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS HEALTH PLAN",
            "identifier": "707119",
            "state": "MA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2033208",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS MA",
            "identifier": "V01880",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.