Active NPI
David Weisberg
- Behavior Analyst
- Worcester, MA
National Provider Identifier
1861365504
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Behavior Analyst
- License
- 1-25-84536
- Practice address
- 335 Chandler St
Worcester, MA 01602-3441 - Phone
- (717) 314-4883
- NPI assigned
- Sep 29, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Behavior Analyst | 103K00000X | 1-25-84536 | MA | Primary |
Addresses
Primary practice location
335 Chandler St
Worcester, MA 01602-3441
Mailing address
335 Chandler St
Worcester, MA 01602-3441
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
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1759104000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1759104000000",
"number": "1861365504",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "335 CHANDLER ST",
"city": "WORCESTER",
"state": "MA",
"postal_code": "016023441"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "335 CHANDLER ST",
"city": "WORCESTER",
"state": "MA",
"postal_code": "016023441",
"telephone_number": "717-314-4883"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WEISBERG",
"first_name": "DAVID",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2025-09-29",
"last_updated": "2025-09-29",
"certification_date": "2025-09-29",
"status": "A"
},
"taxonomies": [
{
"code": "103K00000X",
"taxonomy_group": "",
"desc": "Behavior Analyst",
"state": "MA",
"license": "1-25-84536",
"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 Sep 29, 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.