# DOUGLAS E. HARRINGTON, PH.D. INC.

DOUGLAS E. HARRINGTON, PH.D. INC. is an ADHD evaluation provider with an address in SANTA ANA, CA, United States.

## Details

- Address: 20371 IRVINE AVE SUITE A-160, SANTA ANA, CA, 927075651
- Phone: [949-752-6141](<tel:9497526141>)
- National Provider Identifier (NPI): 1568499911
- Provider type: Clinical neuropsychologist
- Source of the listing data: CMS NPI Registry, retrieved 2026-10-03, public, free

## Questions

### Where is DOUGLAS E. HARRINGTON, PH.D. INC.?

DOUGLAS E. HARRINGTON, PH.D. INC. is at 20371 IRVINE AVE SUITE A-160, SANTA ANA, CA, 927075651.

### How do I contact DOUGLAS E. HARRINGTON, PH.D. INC.?

To contact DOUGLAS E. HARRINGTON, PH.D. INC., call 949-752-6141.

### Is DOUGLAS E. HARRINGTON, PH.D. INC. 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=1568499911), 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](<https://adhdevaluations.fyi/ca/santa-ana/douglas-e-harrington-ph-d-inc>)
- [ADHD evaluations in SANTA ANA](<https://adhdevaluations.fyi/ca/santa-ana/category/adhd-evaluations.md>)
- [Clinical neuropsychologists in SANTA ANA](<https://adhdevaluations.fyi/ca/santa-ana/category/clinical-neuropsychologists.md>)
- [More ADHD evaluation providers in SANTA ANA](<https://adhdevaluations.fyi/ca/santa-ana.md>)