Active NPI
Samuel Howden, LCSW-C
- Clinical Social Worker
- Lanham, MD
National Provider Identifier
1821682642
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 17397
- Practice address
- 4600 Forbes Blvd
Lanham, MD 20706-4359 - Phone
- (240) 593-8958
- NPI assigned
- Feb 22, 2021
- Last updated
- Sep 18, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| License | State | Type | Specialty |
|---|---|---|---|
| 17397 | MD | MD | Physical Therapist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Sah Capital LLC | Mental Health | Current | 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.