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Warren General Hospital

Sleep Disorder Diagnostic Clinic/Center in Warren, PA · enumerated 2024 · authorized official Lisa Ristau, Director of Patient Accounts.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1790504132

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Registry record

Entity type Organization (Type 2)
Legal business name Warren General Hospital
Practice address 2 W Crescent Park, Warren, PA, 16365
Phone (814) 723-3300
Fax (814) 723-8515
Enumeration date Oct 3, 2024
Last updated in NPPES Jun 16, 2026

Taxonomy & classification

207RS0012X Sleep Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians Secondary
261QS1200X Sleep Disorder Diagnostic Clinic/Center Ambulatory Health Care Facilities Primary

Authorized official

Name Lisa Ristau
Title Director of Patient Accounts
Phone (814) 723-4973

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Warren General Hospital?
The NPI for Warren General Hospital is 1790504132, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Warren General Hospital?
NPPES lists Lisa Ristau (Director of Patient Accounts) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-16.