NPIMap

Organization Active NPI

M Management Group LLC

  • Internal Medicine Physician
  • Washington, DC
National Provider Identifier
1508642935
Registry record updated May 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
Legal business name
M MANAGEMENT GROUP LLC
Practice address
4601 Martin Luther King Jr Ave SW
Washington, DC 20032-1131
Phone
(202) 574-5700
NPI assigned
Sep 1, 2023
Last updated
May 21, 2026By the provider in NPPES
Organization subpart
Yes
Parent organization
M MANAGEMENT GROUP LLCAs reported in NPPES

NPPES NPI Registry

Updated by the provider on May 21, 2026

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

Authorized official

Name
Krystle D Brown
Title
Billing Manager
Phone
(410) 870-9380

Specialties & licenses 9

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X NU Primary
Cardiovascular Disease Physician 207RC0000X NU
Critical Care Medicine (Internal Medicine) Physician 207RC0200X NU
Gastroenterology Physician 207RG0100X NU
Hematology & Oncology Physician 207RH0003X NU
Infectious Disease Physician 207RI0200X NU
Nephrology Physician 207RN0300X NU
Pulmonary Disease Physician 207RP1001X NU
Surgery Physician 208600000X NU

Addresses

Primary practice location

4601 Martin Luther King Jr Ave SW
Washington, DC 20032-1131

Mailing address

4806 U St NW
Washington, DC 20007-1546

Other names 1

  • M MANAGEMENT GROUP LLC NATIONAL HARBOR Other name

National Provider Directory

National Provider Directory
Tax ID family
M-Management LLC61 organizations share this tax ID, including this one
Part of
M-Management LLC

Organizations with this tax ID in the same state 4

This tax ID family is large, so up to 24 of its organizations in the same state are linked here.

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1693526400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1779321600000",
    "number": "1508642935",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4806 U ST NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200071546"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4601 MARTIN LUTHER KING JR AVE SW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200321131",
            "telephone_number": "202-574-5700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "M MANAGEMENT GROUP LLC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "M MANAGEMENT GROUP LLC",
        "enumeration_date": "2023-09-01",
        "last_updated": "2026-05-21",
        "certification_date": "2026-05-21",
        "status": "A",
        "authorized_official_last_name": "BROWN",
        "authorized_official_first_name": "KRYSTLE",
        "authorized_official_middle_name": "D",
        "authorized_official_title_or_position": "BILLING MANAGER",
        "authorized_official_telephone_number": "410-870-9380"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NU",
            "license": null,
            "primary": true
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "M MANAGEMENT GROUP LLC NATIONAL HARBOR",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Washington, DC

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.