Individual provider Active NPI

Marcus Leon Gann Jr., M.D.

  • Surgery Physician
  • Bethesda, MD
National Provider Identifier
1124207527
Registry record updated Aug 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
D0108068 Issued in MD
Practice address
8001 Woodmont Ave Apt 817
Bethesda, MD 20814-3776
Phone
(310) 900-5669
NPI assigned
Nov 1, 2007
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 29, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X D0108068 MD Primary

Addresses

Primary practice location

8001 Woodmont Ave Apt 817
Bethesda, MD 20814-3776

Mailing address

8001 Woodmont Ave Apt 817
Bethesda, MD 20814-3776
Phone (410) 900-5669

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IN
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
I20221116002138 IN Practitioner - General Surgery 3173606449

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
04-32823KSMDSurgery Physician

NPI Registry JSON

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

{
    "created_epoch": "1193875200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787961600000",
    "number": "1124207527",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8001 WOODMONT AVE APT 817",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208143776",
            "telephone_number": "410-900-5669"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8001 WOODMONT AVE APT 817",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208143776",
            "telephone_number": "310-900-5669"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GANN",
        "first_name": "MARCUS",
        "middle_name": "LEON",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-11-01",
        "last_updated": "2026-08-29",
        "certification_date": "2026-08-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MD",
            "license": "D0108068",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bethesda, MD

Sources for this page

Verify at the official NPI Registry.