NPIMap

Individual provider Active NPI

John R Brown, D.O.

  • Family Medicine Physician
  • Montgomery Village, MD
National Provider Identifier
1235164252
Registry record updated Mar 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
058395 Issued in GA
Practice address
18524 Office Park Dr
Montgomery Village, MD 20886-0585
Phone
(240) 221-5368
Fax
(410) 771-9301
NPI assigned
Jul 11, 2006
Last updated
Mar 18, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 18, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 058395 GA Primary

Addresses

Primary practice location

18524 Office Park Dr
Montgomery Village, MD 20886-0585

Mailing address

18524 Office Park Dr
Montgomery Village, MD 20886-0585
Phone (240) 221-5368

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC, MD2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20050629000167 DC Practitioner - Family Practice 3274518519 Reassigns benefits to 2 organizations
I20100415000159 MD Practitioner - Family Practice 3274518519 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Rutgers New Jersey Medical School, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Medstar Medical Group II LLCGroup PAC ID 0547413825, 3,726 clinicians

Practice addresses (Care Compare)

18524 Office Park Dr
Montgomery Village, MD 20886-0585
Phone (571) 243-2607

9501 Old Annapolis Rd
Suite 220
Ellicott City, MD 21042-6332
Phone (410) 772-2000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
82.34 of 100Reported as group
Quality
67.9
Promoting interoperability
100
Improvement activities
40
Cost
69.47

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
058395GAMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Medstar Medical Group II LLC CurrentSince Aug 1, 2021 Accepting new patients
Dr Brown-Primary Care LLC Family Medicine CurrentSince Dec 1, 2024 Accepting new patients
Medstar Medical Group II LLC Past Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
Nova Medical and Urgent Care Center, Inc. Family Medicine Past Accepting new patients
Nova Medical and Urgent Care Center, Inc. Family Medicine Past Accepting new patients

Locations

9501 Old Annapolis Rd
Ste 220
Ellicott City, MD 21042
Phone (410) 772-2000

1406 Crain Hwy S
Ste 106
Glen Burnie, MD 21061
Phone (410) 768-6440

18524 Office Park Dr
Montgomery Village, MD 20886
Phone (240) 221-5368

6569 N Charles St
Ste 307
Towson, MD 21204
Phone (443) 849-2767

6569 N Charles St
Ste 505
Towson, MD 21204
Phone (443) 849-2196

1850 Town Center Pkwy
Reston, VA 20190
Phone (703) 478-0922

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1152576000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773792000000",
    "number": "1235164252",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18524 OFFICE PARK DR",
            "city": "MONTGOMERY VILLAGE",
            "state": "MD",
            "postal_code": "208860585",
            "telephone_number": "240-221-5368",
            "fax_number": "833-764-4178"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18524 OFFICE PARK DR",
            "city": "MONTGOMERY VILLAGE",
            "state": "MD",
            "postal_code": "208860585",
            "telephone_number": "240-221-5368",
            "fax_number": "410-771-9301"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BROWN",
        "first_name": "JOHN",
        "middle_name": "R",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-11",
        "last_updated": "2026-03-18",
        "certification_date": "2026-03-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "GA",
            "license": "058395",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Montgomery Village, MD

Sources for this page

Verify at the official NPI Registry.