# GREGG RICHARDSON

GREGG RICHARDSON is an ADHD evaluation provider with an address in OAKLAND, CA, United States.

## Details

- Address: 275 W MACARTHUR, OAKLAND, CA, 946115641
- Phone: [510-752-1000](<tel:5107521000>)
- National Provider Identifier (NPI): 1710052840
- Credentials: PhD
- Provider type: Clinical neuropsychologist
- Source of the listing data: CMS NPI Registry, retrieved 2026-10-03, public, free

## Questions

### Where is GREGG RICHARDSON?

GREGG RICHARDSON is at 275 W MACARTHUR, OAKLAND, CA, 946115641.

### How do I contact GREGG RICHARDSON?

To contact GREGG RICHARDSON, call 510-752-1000.

### Is GREGG RICHARDSON 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=1710052840), 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/oakland/gregg-richardson>)
- [ADHD evaluations in OAKLAND](<https://adhdevaluations.fyi/ca/oakland/category/adhd-evaluations.md>)
- [Clinical neuropsychologists in OAKLAND](<https://adhdevaluations.fyi/ca/oakland/category/clinical-neuropsychologists.md>)
- [More ADHD evaluation providers in OAKLAND](<https://adhdevaluations.fyi/ca/oakland.md>)