Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

William Slagle, PHD Ltd

Organization Clinical Psychologist · NPI 1275730269

William Slagle, PHD Ltd provides Clinical Psychologist services 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
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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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