Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Robert Sean Castle

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1821981945

Robert Sean Castle is an Addiction (Substance Use Disorder) Counselor in Fountain Valley, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2025

Practice location Address checks out

18950 Mount Walton Cir
Fountain Valley, CA 92708-7320
Phone: (714) 316-9578
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence R1547870224 (CA)

Record details

NPI number1821981945
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMay 29, 2025
Last updated in NPPESMay 29, 2025
Certification dateMay 28, 2025
Mailing address18950 Mount Walton Cir, Fountain Valley, CA 92708-7320

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