Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Keystone Service Systems Inc.

Q: What is the NPI number for Keystone Service Systems Inc.?

The NPI for Keystone Service Systems Inc. is 1083464606, a Type 2 (organization) record in the CMS NPPES registry.

Community/Behavioral Health Agency in Harrisburg, PA · enumerated 2024 · authorized official Stephen Fludovich, Billing Manager.

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

National Provider Identifier

1083464606

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Registry record

Entity type Organization (Type 2)

Legal business name Keystone Service Systems Inc.

Practice address 2926 Wilson Pkwy, Harrisburg, PA, 17104

Phone (717) 740-2949

Enumeration date Mar 26, 2024

Last updated in NPPES Mar 26, 2024

Taxonomy & classification

251S00000X Community/Behavioral Health Agency Agencies Primary

Authorized official

Name Stephen Fludovich

Title Billing Manager

Phone (717) 232-7509

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 Keystone Service Systems Inc.?

The NPI for Keystone Service Systems Inc. is 1083464606, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Keystone Service Systems Inc.?

NPPES lists Stephen Fludovich (Billing Manager) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-03-26.