NPIMap

Organization Active NPI

M Management Group, LLC

  • Internal Medicine Physician
  • Rockville, MD
National Provider Identifier
1386567881
Registry record updated Aug 1, 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
299 Hurley Ave
Rockville, MD 20850-3118
Phone
(301) 762-8900
NPI assigned
Aug 1, 2026
Last updated
Aug 1, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 1, 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
Endocrinology, Diabetes & Metabolism Physician 207RE0101X NU
Gastroenterology Physician 207RG0100X NU
Hematology & Oncology Physician 207RH0003X NU
Infectious Disease Physician 207RI0200X NU
Nephrology Physician 207RN0300X NU
Pulmonary Disease Physician 207RP1001X NU

Addresses

Primary practice location

299 Hurley Ave
Rockville, MD 20850-3118

Mailing address

6 E Eager St
Baltimore, MD 21202-2506

National Provider Directory

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

Organizations with this tax ID in the same state 24

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

View all 24

NPI Registry JSON

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

{
    "created_epoch": "1785542400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1785542400000",
    "number": "1386567881",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6 E EAGER ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212022506"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "299 HURLEY AVE",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208503118",
            "telephone_number": "301-762-8900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "M MANAGEMENT GROUP, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-08-01",
        "last_updated": "2026-08-01",
        "certification_date": "2026-08-01",
        "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": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "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
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Rockville, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 1, 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.