# SHANNON GRETHEL

SHANNON GRETHEL is an ADHD evaluation provider with an address in VALLEJO, CA, United States.

## Details

- Address: 975 SERENO DR KFRC- NEUROPSYCHOLOGY DEPARTMENT, VALLEJO, CA, 945892441
- Phone: [832-370-7960](<tel:8323707960>)
- National Provider Identifier (NPI): 1629256607
- Credentials: Psy.D.
- Provider type: Clinical neuropsychologist
- Source of the listing data: CMS NPI Registry, retrieved 2026-10-03, public, free

## Questions

### Where is SHANNON GRETHEL?

SHANNON GRETHEL is at 975 SERENO DR KFRC- NEUROPSYCHOLOGY DEPARTMENT, VALLEJO, CA, 945892441.

### How do I contact SHANNON GRETHEL?

To contact SHANNON GRETHEL, call 832-370-7960.

### Is SHANNON GRETHEL 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=1629256607), 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/vallejo/shannon-grethel>)
- [ADHD evaluations in VALLEJO](<https://adhdevaluations.fyi/ca/vallejo/category/adhd-evaluations.md>)
- [Clinical neuropsychologists in VALLEJO](<https://adhdevaluations.fyi/ca/vallejo/category/clinical-neuropsychologists.md>)
- [More ADHD evaluation providers in VALLEJO](<https://adhdevaluations.fyi/ca/vallejo.md>)