Individual provider Active NPI

Marjorie Garren Hatch Hartman, LCSW-C

  • Clinical Social Worker
  • Baltimore, MD
National Provider Identifier
1811813249
Registry record updated Jun 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
23043 Issued in MD
Practice address
2921 Stranden Rd
Baltimore, MD 21230-2941
Phone
(410) 929-4030
NPI assigned
Jun 29, 2026
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 29, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 23043 MD Primary

Addresses

Primary practice location

2921 Stranden Rd
Baltimore, MD 21230-2941

Mailing address

3608 Parkside Dr
Baltimore, MD 21214-3426
Phone (301) 461-1238

Other practice location 1

4538 Edmondson Ave
Baltimore, MD 21229-1506
Phone (410) 929-4030

Other practice location 2

3608 Parkside Dr
Baltimore, MD 21214-3426
Phone (410) 929-4030

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

NPI Registry JSON

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

{
    "created_epoch": "1782691200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782691200000",
    "number": "1811813249",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3608 PARKSIDE DR",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212143426",
            "telephone_number": "301-461-1238"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2921 STRANDEN RD",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212302941",
            "telephone_number": "410-929-4030"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4538 Edmondson Ave",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212291506",
            "country_code": "US",
            "telephone_number": "410-929-4030",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3608 Parkside Dr",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212143426",
            "country_code": "US",
            "telephone_number": "410-929-4030",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HARTMAN",
        "first_name": "MARJORIE",
        "middle_name": "GARREN HATCH",
        "credential": "LCSW-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-06-29",
        "last_updated": "2026-06-29",
        "certification_date": "2026-06-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MD",
            "license": "23043",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 29, 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.