Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Keystone Service Systems, Inc.

Rehabilitation Hospital in Sunbury, PA · enumerated 2007 · authorized official Charles Hooker, Cheif Executive Officer.

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

National Provider Identifier

1982721155

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Registry record

Entity type Organization (Type 2)

Legal business name Keystone Service Systems, Inc.

Practice address 217 Race St, Sunbury, PA, 17801

Phone (717) 232-7509

Fax (717) 232-6687

Enumeration date Mar 23, 2007

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

283X00000X Rehabilitation Hospital Hospitals Primary

Authorized official

Name Charles Hooker

Title Cheif Executive Officer

Phone (717) 232-7509

Other identifiers

Identifier	Type	State	Issuer
100001038 0375	Medicaid	PA	-

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

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2020-08-22. Verify at npiregistry.cms.hhs.gov.

Where is Keystone Service Systems, Inc. located?

The practice location on file with NPPES is in Sunbury, PA.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.