Active NPI
John Robertson
- Clinical Social Worker
- Greenbelt, MD
National Provider Identifier
1871213173
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 23132
- Practice address
- 7303 Hanover Pkwy Ste C
Greenbelt, MD 20770-2029 - Phone
- (443) 583-4505
- NPI assigned
- Aug 29, 2022
- Last updated
- Nov 12, 2025
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | 23132 | MD | Primary |
Addresses
Primary practice location
7303 Hanover Pkwy Ste C
Greenbelt, MD 20770-2029
Mailing address
7303 Hanover Pkwy Ste C
Greenbelt, MD 20770-2029
Phone (443) 583-4505
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 |
|---|---|---|---|
| 23132 | MD | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1661731200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1762905600000",
"number": "1871213173",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "7303 HANOVER PKWY STE C",
"city": "GREENBELT",
"state": "MD",
"postal_code": "207702029",
"telephone_number": "443-583-4505"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "7303 HANOVER PKWY STE C",
"city": "GREENBELT",
"state": "MD",
"postal_code": "207702029",
"telephone_number": "443-583-4505"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ROBERTSON",
"first_name": "JOHN",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2022-08-29",
"last_updated": "2025-11-12",
"certification_date": "2025-11-12",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "MD",
"license": "23132",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Greenbelt, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 12, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.