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

William Slagle, PHD Ltd

Organization Clinical Psychologist · NPI 1275730269

William Slagle, PHD Ltd is a Clinical Psychologist in Henderson, Nevada. Licensed in Nevada. Registered with an NPI since 2007.

Licensed in
NV
In the registry since
2007
What do these letters mean?
Ltd — Limited
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1090 Wigwam Pkwy Ste 100
Henderson, NV 89074
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 number1275730269
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Debra Quinn — Billing Manager · (702) 454-0201
NPI enumeratedJuly 2, 2007
Last updated in NPPESJanuary 4, 2023
Certification dateJanuary 4, 2023
Mailing address1090 Wigwam Parkway, Suite 100, Henderson, NV 89074

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