# CATHERINE O'SULLIVAN CATHERINE O'SULLIVAN is an ADHD evaluation provider with an address in RIDGEWOOD, NJ, United States. ## Details - Address: 75 N MAPLE AVE SUITE 101B, RIDGEWOOD, NJ, 074503247 - Phone: [845-416-7839]() - National Provider Identifier (NPI): 1427481027 - Credentials: PsyD - Provider type: Clinical neuropsychologist - Source of the listing data: CMS NPI Registry, retrieved 2026-10-03, public, free ## Questions ### Where is CATHERINE O'SULLIVAN? CATHERINE O'SULLIVAN is at 75 N MAPLE AVE SUITE 101B, RIDGEWOOD, NJ, 074503247. ### How do I contact CATHERINE O'SULLIVAN? To contact CATHERINE O'SULLIVAN, call 845-416-7839. ### Is CATHERINE O'SULLIVAN accepting new patients? That is not in the registry data. Call the phone number on the listing and ask about availability, wait times and insurance. ## Source From [CMS NPI Registry (National Plan and Provider Enumeration System)](https://npiregistry.cms.hhs.gov/api/?version=2.1&number=1427481027), license US government public data. CMS publishes NPPES provider data for open access under its data dissemination notice., checked 2026-10-06. Last updated October 6, 2026. ## Links - This ADHD evaluation provider on the [web page]() - [ADHD evaluations in RIDGEWOOD]() - [Clinical neuropsychologists in RIDGEWOOD]() - [More ADHD evaluation providers in RIDGEWOOD]()