NPIMap

Organization Active NPI

Warren General Hospital

  • Sleep Medicine (Internal Medicine) Physician
  • Warren, PA
National Provider Identifier
1790504132
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Sleep Medicine (Internal Medicine) PhysicianTaxonomy code 207RS0012X
Legal business name
WARREN GENERAL HOSPITAL
Practice address
2 W Crescent Park
Warren, PA 16365-2199
Phone
(814) 723-3300
Fax
(814) 723-8515
NPI assigned
Oct 3, 2024
Last updated
Jul 13, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Sleep Disorder Diagnostic Clinic/Center 261QS1200X
Sleep Medicine (Internal Medicine) Physician 207RS0012X Primary

Addresses

Primary practice location

2 W Crescent Park
Warren, PA 16365-2199

Mailing address

2 W Crescent Park
Warren, PA 16365-2111
Phone (814) 723-3300

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20050411000534 PA Part B Supplier - Clinic/Group Practice 4880501402 Receives reassigned benefits from 8 practitioners
1 other NPI on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: Warren, PA

Other NPIs on the same Medicare enrollment 1

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

National Provider Directory

National Provider Directory
Tax ID family
Warren General Hosp Cen17 organizations share this tax ID, including this one

Other organizations with this tax ID 16

Organizations that report the same tax identification number in the National Provider Directory.

View all 16

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1727913600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1783900800000",
    "number": "1790504132",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2 W CRESCENT PARK",
            "city": "WARREN",
            "state": "PA",
            "postal_code": "163652111",
            "telephone_number": "814-723-3300",
            "fax_number": "814-723-8515"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2 W CRESCENT PARK",
            "city": "WARREN",
            "state": "PA",
            "postal_code": "163652199",
            "telephone_number": "814-723-3300",
            "fax_number": "814-723-8515"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "WARREN GENERAL HOSPITAL",
        "organizational_subpart": "NO",
        "enumeration_date": "2024-10-03",
        "last_updated": "2026-07-13",
        "certification_date": "2026-07-13",
        "status": "A",
        "authorized_official_last_name": "RISTAU",
        "authorized_official_first_name": "LISA",
        "authorized_official_middle_name": "M",
        "authorized_official_title_or_position": "DIRECTOR OF PATIENT ACCOUNTS",
        "authorized_official_telephone_number": "814-723-4973"
    },
    "taxonomies": [
        {
            "code": "261QS1200X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Sleep Disorder Diagnostic",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Warren, PA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.