Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Keystone Service Systems, Inc

Organization Case Management Agency · NPI 1992928600

Keystone Service Systems, Inc is a Case Management Agency in Westminster, Maryland. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

255 Clifton Blvd Ste 309
Westminster, MD 21157-4690
Phone: (717) 232-7509
Fax: (717) 232-6687
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Case Management Agency (primary) Taxonomy 251B00000X

Record details

NPI number1992928600
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Charles Hooker — Ceo · (717) 232-7509
NPI enumeratedApril 11, 2007
Last updated in NPPESAugust 22, 2020
Mailing address124 Pine St, Harrisburg, PA 17101-1208

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