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

Gary Scott Showalter

Individual provider Mental Health Counselor · NPI 1588337208

Gary Scott Showalter is a Mental Health Counselor in Fountain Valley, California. Practices as a sole proprietor and works from 4 locations. Licensed in California.

Licensed in
CA
In the registry since
2021

Practice location Address checks out

17837 San Rafael St
Fountain Valley, CA 92708-5232
Phone: (714) 968-3907
Show map & directions

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

Additional practice locations (3)

  • 921 Dahlia Ave, Costa Mesa, CA 92626-1709 — (714) 641-2059
  • 1065 Santa Cruz Cir, Costa Mesa, CA 92626-1618 — (714) 751-9544
  • 9091 Caladium Ave, Fountain Valley, CA 92708-1418 — (714) 841-7602

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X (CA)

Record details

NPI number1588337208
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJuly 28, 2021
Last updated in NPPESOctober 5, 2021
Certification dateOctober 5, 2021

Other providers in Fountain Valley