NPIMap

Organization Active NPI

M Management Group LLC

  • Pulmonary Disease Physician
  • Riverdale, MD
National Provider Identifier
1003622812
Registry record updated Jul 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pulmonary Disease PhysicianTaxonomy code 207RP1001X
Legal business name
M MANAGEMENT GROUP LLC
Practice address
4409 E West Hwy
Riverdale, MD 20737-1058
Phone
(301) 699-2000
NPI assigned
Dec 6, 2024
Last updated
Jul 29, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jul 29, 2025

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) 800-6251

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology (Internal Medicine) Physician 207RH0000X NU
Nephrology Physician 207RN0300X NU
Pulmonary Disease Physician 207RP1001X NU Primary

Addresses

Primary practice location

4409 E West Hwy
Riverdale, MD 20737-1058

Mailing address

6 E Eager St
Baltimore, MD 21202-2506
Phone (410) 870-9380

Other names 1

  • Crescent Cities SNF Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20190909002597 DC Part B Supplier - Clinic/Group Practice 6709115298 Receives reassigned benefits from 44 practitioners
21 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: Silver Spring, MD; Riverdale, MD; Rockville, MD; Washington, DC; Wheaton, MD; Bethesda, MD; Adelphi, MD; Alexandria, VA…

Other NPIs on the same Medicare enrollment 19

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

View all 19

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 12

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

Practitioners & affiliated clinicians

Practitioners 3

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": "1733443200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1753747200000",
    "number": "1003622812",
    "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",
            "telephone_number": "410-870-9380",
            "fax_number": "410-431-3550"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4409 E WEST HWY",
            "city": "RIVERDALE",
            "state": "MD",
            "postal_code": "207371058",
            "telephone_number": "301-699-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "M MANAGEMENT GROUP LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2024-12-06",
        "last_updated": "2025-07-29",
        "certification_date": "2025-07-29",
        "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": "410-800-6251"
    },
    "taxonomies": [
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "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": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Crescent Cities SNF",
            "code": "5",
            "type": "Other Name"
        },
        {
            "organization_name": "Crescent Cities SNF",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Riverdale, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 29, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.