Active NPI
Greg Schwartz, LMSW
- Clinical Social Worker
- Worcester, MA
National Provider Identifier
1255229423
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- LICSW1142463
- Practice address
- 403 Belmont St
Worcester, MA 01604-1019 - Phone
- (413) 466-2246
- NPI assigned
- Jun 26, 2025
- 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 |
|---|---|---|---|---|
| Social Worker | 104100000X | 8564 | CT | |
| Clinical Social Worker | 1041C0700X | LICSW1142463 | MA | Primary |
Addresses
Primary practice location
403 Belmont St
Worcester, MA 01604-1019
Mailing address
403 Belmont St
Worcester, MA 01604-1019
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 |
|---|---|---|---|
| LICSW1142463 | MA | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1750896000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1762732800000",
"number": "1255229423",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "403 BELMONT ST",
"city": "WORCESTER",
"state": "MA",
"postal_code": "016041019"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "403 BELMONT ST",
"city": "WORCESTER",
"state": "MA",
"postal_code": "016041019",
"telephone_number": "413-466-2246"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SCHWARTZ",
"first_name": "GREG",
"credential": "LMSW",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2025-06-26",
"last_updated": "2025-11-10",
"certification_date": "2025-11-10",
"status": "A"
},
"taxonomies": [
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "CT",
"license": "8564",
"primary": false
},
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "MA",
"license": "LICSW1142463",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Worcester, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 10, 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.