Individual provider Active NPI

Samuel Howden, LCSW-C

  • Clinical Social Worker
  • Lanham, MD
National Provider Identifier
1821682642
Registry record updated Sep 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
17397 Issued in MD
Practice address
4600 Forbes Blvd
Lanham, MD 20706-4359
Phone
(240) 593-8958
NPI assigned
Feb 22, 2021
Last updated
Sep 18, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 18, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X LC200001886 DC
Clinical Social Worker 1041C0700X 17397 MD Primary

Addresses

Primary practice location

4600 Forbes Blvd
Lanham, MD 20706-4359

Mailing address

9091 Snowden River Pkwy
Columbia, MD 21046-1657
Phone (240) 593-8958

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

State licenses

LicenseStateTypeSpecialty
17397MDMDPhysical Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Sah Capital LLC Mental Health CurrentSince Jun 1, 2022 Accepting new patients

Locations

9091 Snowden River Pkwy
Columbia, MD 21046
Phone (301) 203-7626

4600 Forbes Blvd
Ste 202
Lanham, MD 20706
Phone (240) 542-9535

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1613952000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789689600000",
    "number": "1821682642",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9091 SNOWDEN RIVER PKWY",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "210461657",
            "telephone_number": "240-593-8958"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4600 FORBES BLVD",
            "city": "LANHAM",
            "state": "MD",
            "postal_code": "207064359",
            "telephone_number": "240-593-8958"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOWDEN",
        "first_name": "SAMUEL",
        "credential": "LCSW-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-02-22",
        "last_updated": "2026-09-18",
        "certification_date": "2026-09-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "DC",
            "license": "LC200001886",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MD",
            "license": "17397",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lanham, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 18, 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.