Active NPI
Jessica Knoll O'Brien, LCSW, CASAC
- Clinical Social Worker
- Summit, NJ
National Provider Identifier
1679729206
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 079377
- Practice address
- 45 River Road
Suite 4
Summit, NJ 07901 - Phone
- (973) 370-0161
- NPI assigned
- Aug 14, 2008
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 5
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | 079377-1 | NY | |
| Clinical Social Worker | 1041C0700X | 44SC5811000 | NJ | |
| Addiction (Substance Use Disorder) Counselor | 101YA0400X | CASAC-23901 | NY | |
| Clinical Social Worker | 1041C0700X | 079377 | NY | Primary |
| Addiction (Substance Use Disorder) Counselor | 101YA0400X | 23901 | NY |
Addresses
Primary practice location
45 River Road
Suite 4
Summit, NJ 07901
Mailing address
12 Dale Drive
Summit, NJ 07901
Phone (617) 312-8872
Other names 1
- Jessica Ann Knoll
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 |
|---|---|---|---|
| 23901 | NY | MD | Addiction (Substance Use Disorder) Counselor |
| CASAC-23901 | NY | MD | Addiction (Substance Use Disorder) Counselor |
| 44SC5811000 | NJ | MD | Clinical Social Worker |
| 079377 | NY | MD | Clinical Social Worker |
| 079377-1 | NY | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1218672000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1759363200000",
"number": "1679729206",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "12 DALE DRIVE",
"city": "SUMMIT",
"state": "NJ",
"postal_code": "07901",
"telephone_number": "617-312-8872"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "45 RIVER ROAD",
"address_2": "SUITE 4",
"city": "SUMMIT",
"state": "NJ",
"postal_code": "07901",
"telephone_number": "973-370-0161"
}
],
"practiceLocations": [],
"basic": {
"last_name": "O'BRIEN",
"first_name": "JESSICA",
"middle_name": "KNOLL",
"name_prefix": "Ms.",
"credential": "LCSW, CASAC",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2008-08-14",
"last_updated": "2025-10-02",
"certification_date": "2025-10-02",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "NY",
"license": "079377-1",
"primary": false
},
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "NJ",
"license": "44SC5811000",
"primary": false
},
{
"code": "101YA0400X",
"taxonomy_group": "",
"desc": "Counselor, Addiction (Substance Use Disorder)",
"state": "NY",
"license": "CASAC-23901",
"primary": false
},
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "NY",
"license": "079377",
"primary": true
},
{
"code": "101YA0400X",
"taxonomy_group": "",
"desc": "Counselor, Addiction (Substance Use Disorder)",
"state": "NY",
"license": "23901",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "JESSICA",
"last_name": "KNOLL",
"middle_name": "ANN",
"credential": "LCSW",
"code": "1",
"type": "Former Name"
}
]
}Other providers in Summit, NJ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 2, 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.