# JOHN STEPHENSON JOHN STEPHENSON is an ADHD evaluation provider with an address in TORRANCE, CA, United States. ## Details - Address: 24520 HAWTHORNE BLVD SUITE 220, TORRANCE, CA, 905056800 - Phone: [310-428-6708]() - National Provider Identifier (NPI): 1366509929 - Credentials: Ph.D. - Provider type: Clinical neuropsychologist - Source of the listing data: CMS NPI Registry, retrieved 2026-10-03, public, free ## Questions ### Where is JOHN STEPHENSON? JOHN STEPHENSON is at 24520 HAWTHORNE BLVD SUITE 220, TORRANCE, CA, 905056800. ### How do I contact JOHN STEPHENSON? To contact JOHN STEPHENSON, call 310-428-6708. ### Is JOHN STEPHENSON 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=1366509929), 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 TORRANCE]() - [Clinical neuropsychologists in TORRANCE]() - [More ADHD evaluation providers in TORRANCE]()