Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

MS. Jessica Knoll O'Brien, LCSW, CASAC

Individual provider Clinical Social Worker · NPI 1679729206

MS. Jessica Knoll O'Brien, LCSW, CASAC is a Clinical Social Worker in Summit, New Jersey. Practices as a sole proprietor. Licensed in New Jersey and New York.

Licensed in
NJ, NY
In the registry since
2008
Specialties on file
5
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

45 River Rd Ste 4
Summit, NJ 07901
Phone: (973) 370-0161
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 079377 (NY)
Clinical Social Worker Taxonomy 1041C0700X · Licence 079377-1 (NY)
Clinical Social Worker Taxonomy 1041C0700X · Licence 44SC5811000 (NJ)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence CASAC-23901 (NY)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 23901 (NY)

Record details

NPI number1679729206
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW , CASAC
Sole proprietorYes
NPI enumeratedAugust 14, 2008
Last updated in NPPESOctober 2, 2025
Certification dateOctober 2, 2025

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