William Slagle,ph.d Ltd
NPI 1275730269 · Clinical Psychologist · Henderson, NV
William Slagle,ph.d Ltd is a Clinical Psychologist organization in Henderson, NV (NPI 1275730269).
Provider details
- NPI number
- 1275730269
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Debra Quinn, Billing Manager(702) 454-0201
- License
- PY0456 (NV)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-02
- Last updated
- 2023-01-04
- Certified
- 2023-01-04
Frequently asked questions
- What is William Slagle,ph.d Ltd's NPI number?
- William Slagle,ph.d Ltd's National Provider Identifier (NPI) is 1275730269, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William Slagle,ph.d Ltd?
- William Slagle,ph.d Ltd is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Slagle,ph.d Ltd located?
- William Slagle,ph.d Ltd's practice location on file with NPPES is 1090 Wigwam Parkway, Henderson, NV 89074.
- What is William Slagle,ph.d Ltd's phone number?
- The practice phone number listed in the NPPES registry for William Slagle,ph.d Ltd is (702) 454-0201.
- Who is the authorized official for William Slagle,ph.d Ltd?
- The authorized official listed on William Slagle,ph.d Ltd's NPPES record is Debra Quinn, Billing Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William Slagle,ph.d Ltd's NPI active?
- Yes — William Slagle,ph.d Ltd's NPI (1275730269) is active in the NPPES registry as of the last update on 2023-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.