# HARRELL M. REZNICK, PH.D. AND ASSOCIATES HARRELL M. REZNICK, PH.D. AND ASSOCIATES is an ADHD evaluation provider with an address in GARDEN GROVE, CA, United States. ## Details - Address: 12792 LONGDEN ST, GARDEN GROVE, CA, 928452627 - Phone: [714-891-1420]() - National Provider Identifier (NPI): 1093122822 - Provider type: Clinical neuropsychologist - Source of the listing data: CMS NPI Registry, retrieved 2026-10-03, public, free ## Questions ### Where is HARRELL M. REZNICK, PH.D. AND ASSOCIATES? HARRELL M. REZNICK, PH.D. AND ASSOCIATES is at 12792 LONGDEN ST, GARDEN GROVE, CA, 928452627. ### How do I contact HARRELL M. REZNICK, PH.D. AND ASSOCIATES? To contact HARRELL M. REZNICK, PH.D. AND ASSOCIATES, call 714-891-1420. ### Is HARRELL M. REZNICK, PH.D. AND ASSOCIATES 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=1093122822), 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 GARDEN GROVE]() - [Clinical neuropsychologists in GARDEN GROVE]() - [More ADHD evaluation providers in GARDEN GROVE]()