MGG Group, Inc

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

Legal business name

MGG GROUP, INC

Practice address

5550 Friendship Blvd Ste T90
Chevy Chase, MD 20815-7313

Phone

(301) 654-4148

Fax

(301) 907-9423

NPI assigned

Dec 29, 2005

Organization subpart

No

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

Authorized official

Name

Michael L Weinstein, MD

Title

Director

Phone

(301) 908-5209

Specialties & licenses 2

Addresses

Other names 2

• Metropolitan Gastroenterology Group Former legal business name
• MGG Other name

Locations

Subparts reporting this organization as parent 1

Organizations that report themselves as subparts in NPPES and name this organization, in the same state, as their parent.

• MGG Holdings, LLC

  dba Metropolitan Gastroenterology Group

  • Endoscopy Clinic/Center
  • Chevy Chase, MD
  • NPI 1437836418
  NPPES parent name

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Frank J Brown, MD

  • Clinical Pathology/Laboratory Medicine Physician
  • Olympia, WA
  • NPI 1245289560
  NPD (past)

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

{
    "created_epoch": "1135814400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1763942400000",
    "number": "1699752840",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5550 FRIENDSHIP BLVD STE T90",
            "address_2": "5550 FRIENDSHIP BLVD, T-90",
            "city": "CHEVY CHASE",
            "state": "MD",
            "postal_code": "208157313",
            "telephone_number": "301-654-4148",
            "fax_number": "301-907-9423"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5550 FRIENDSHIP BLVD STE T90",
            "city": "CHEVY CHASE",
            "state": "MD",
            "postal_code": "208157313",
            "telephone_number": "301-654-4148",
            "fax_number": "301-907-9423"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2000 Pennsylvania Ave NW Ste 3010",
            "address_purpose": "LOCATION",
            "city": "Washington",
            "state": "DC",
            "postal_code": "200061929",
            "country_code": "US",
            "telephone_number": "202-296-3449",
            "fax_number": "202-296-0301",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "MGG GROUP, INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2005-12-29",
        "last_updated": "2025-11-24",
        "certification_date": "2025-11-24",
        "status": "A",
        "authorized_official_last_name": "WEINSTEIN",
        "authorized_official_first_name": "MICHAEL",
        "authorized_official_middle_name": "L",
        "authorized_official_title_or_position": "DIRECTOR",
        "authorized_official_telephone_number": "301-908-5209",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Specialist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Gastroenterology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Metropolitan Gastroenterology Group",
            "code": "4",
            "type": "Former Legal Business Name"
        },
        {
            "organization_name": "MGG",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Metro Direct Care Medical, LLC
• Metropolitan Medical Partners LLC (Surgery Center of Chevy Chase)
• Metropolitan Physicians Practice LLC
• Metropolitan Physicians Practice, LLC
• Jonathan P Meyerson, LCSW
• MGG Holdings, LLC (Metropolitan Gastroenterology Group)
• MGMC, LLC (MedStar Orthopaedic Institute)
• Michael Goldsmith M.D.
• Michael L Gittleson, DPM
• Molly Michael

• Gastroenterology Physician in Chevy Chase, MD
• Providers in Chevy Chase, MD by specialty
• Gastroenterology Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 24, 2025; 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.