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

William Richard Slagle, PHD

Individual provider Clinical Psychologist · NPI 1114943016

William Richard Slagle, PHD is a Clinical Psychologist in Henderson, Nevada. Licensed in Nevada. Registered with an NPI since 2006.

Licensed in
NV
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1070 Wigwam Pkwy Ste 100
Henderson, NV 89074-8178
Phone: (702) 454-0201
Fax: (702) 454-1245
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PY0456 (NV)

Record details

NPI number1114943016
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 14, 2006
Last updated in NPPESOctober 4, 2022
Certification dateOctober 4, 2022
Mailing address1070 Wigwam Pkwy Ste 10, Henderson, NV 89074-8177

Other providers in Henderson