Active NPI
John Michael Koczela, LGSW
- Social Worker
- Washington, DC
National Provider Identifier
1619883618
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Social Worker
- License
- LG200006912
- Practice address
- 4000 Albemarle St NW
Suite 500 (5TH Floor)
Washington, DC 20016 - Phone
- (202) 531-5385
- NPI assigned
- Aug 20, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Social Worker | 104100000X | LG200006912 | DC | Primary |
Addresses
Primary practice location
4000 Albemarle St NW
Suite 500 (5TH Floor)
Washington, DC 20016
Mailing address
4000 Albemarle St NW
Suite 500 (5TH Floor)
Washington, DC 20016
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
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Dandelion Psychotherapy, PLLC | Past | Accepting new patients |
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 and National Provider Directory roles.
-
- Clinical Social Worker
- Washington, DC
- NPI 1356732705
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1787184000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1787184000000",
"number": "1619883618",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4000 ALBEMARLE ST NW",
"address_2": "SUITE 500 (5TH FLOOR)",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "20016"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4000 ALBEMARLE ST NW",
"address_2": "SUITE 500 (5TH FLOOR)",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "20016",
"telephone_number": "202-531-5385"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KOCZELA",
"first_name": "JOHN MICHAEL",
"credential": "LGSW",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2026-08-20",
"last_updated": "2026-08-20",
"certification_date": "2026-08-20",
"status": "A"
},
"taxonomies": [
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "DC",
"license": "LG200006912",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Washington, DC
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 20, 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.