Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Caitlin O'Brien, LSW

Social Worker in Parsippany, NJ · enumerated 2012.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1972852606

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Caitlin O'Brien

Credential LSW

Sex Female

Practice address 1719 Route 10 Ste 129, Parsippany, NJ, 07054

Phone (973) 829-6960

Enumeration date Sep 10, 2012

Last updated in NPPES Nov 13, 2018

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Caitlin O'Brien?

The National Provider Identifier (NPI) for Caitlin O'Brien is 1972852606, a Type 1 (individual) record in the CMS NPPES registry.

Where does Caitlin O'Brien practice?

The practice location on file with NPPES is in Parsippany, NJ. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-11-13.