Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Keystone Service Systems, Inc

Counselor in Conshohocken, PA · enumerated 2010 · authorized official Charles Hooker, Ceo.

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

National Provider Identifier

1902123680

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Registry record

Entity type Organization (Type 2)

Legal business name Keystone Service Systems, Inc

Practice address 625 Ridge Pike, Conshohocken, PA, 19428

Phone (717) 232-7509

Fax (717) 232-6687

Enumeration date Apr 21, 2010

Last updated in NPPES Apr 21, 2010

Taxonomy & classification

101Y00000X Counselor Behavioral Health & Social Service Providers Primary

Authorized official

Name Charles Hooker

Title Ceo

Phone (717) 232-7509

Other identifiers

Identifier	Type	State	Issuer
1000010380561	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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where is Keystone Service Systems, Inc located?

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

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2010-04-21. Verify at npiregistry.cms.hhs.gov.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-04-21.