Individual provider Active NPI

Martha Johnson, M.D.

  • Family Medicine Physician
  • Baltimore, MD
National Provider Identifier
1669649885
Registry record updated Aug 29, 2016
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
D0074552 Issued in MD
Practice address
9101 Franklin Square Dr
Baltimore, MD 21237-3936
Phone
(443) 777-2000
NPI assigned
May 15, 2008
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 29, 2016

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Family Medicine Physician 207Q00000X D0074552 MD Primary

Addresses

Primary practice location

9101 Franklin Square Dr
Baltimore, MD 21237-3936

Mailing address

9101 Franklin Square Dr
Baltimore, MD 21237-3936
Phone (443) 777-2000

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20120928000560 MD Practitioner - Family Practice 1254504426 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
University of Chicago, Pritzker School of Medicine, 2008
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

22 S Green St
Baltimore, MD 21201-1544
Phone (410) 328-8667

29 S Paca St
Baltimore, MD 21201-1771
Phone (667) 214-2100

5890 Waterloo Rd
Columbia, MD 21045-2617
Phone (667) 214-2100

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 Medicine

State licenses

LicenseStateTypeSpecialty
D0074552MDMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of Maryland Family Medicine Associates, P.a. CurrentSince Oct 3, 2025 Accepting new patients
Medstar Medical Group II LLC CurrentSince Mar 1, 2023 Accepting new patients
University of Maryland Family Medicine Associates, P.a. CurrentSince Oct 3, 2025 Accepting new patients
Medstar Medical Group II LLC CurrentSince Mar 1, 2023 Accepting new patients
Franklin Square Hospital Center, Inc Past Accepting new patients
Advocate North Side Health Network Past Accepting new patients

Locations

29 S Paca St
Baltimore, MD 21201
Phone (410) 328-2603

5890 Waterloo Rd
Columbia, MD 21045
Phone (410) 328-2603

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

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

9101 Franklin Square Dr
Rosedale, MD 21237
Phone (443) 777-2000

9000 Franklin Square Dr
Rosedale, MD 21237
Phone (410) 682-7000

9101 Franklin Square Dr
Ste 205
Rosedale, MD 21237
Phone (410) 682-7000

Interoperability endpoints

  • Direct secure messaging: martha.johnsonmd.p2@direct.msmg.nextgenshare.com
  • Direct secure messaging: mjohnson1312315@direct.umm.edu

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 and National Provider Directory roles.

Hospital & facility affiliations 1

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": "1210809600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1472428800000",
    "number": "1669649885",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9101 FRANKLIN SQUARE DR",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212373936",
            "telephone_number": "443-777-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9101 FRANKLIN SQUARE DR",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212373936",
            "telephone_number": "443-777-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "MARTHA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-05-15",
        "last_updated": "2016-08-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MD",
            "license": "D0074552",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.