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 1760503247

Keystone Service Systems, Inc is a Case Management Agency in Hummelstown, Pennsylvania. 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.

See every abbreviation used in this directory →

Practice location Address checks out

8182 Adams Dr
Hummelstown, PA 17036-8624
Phone: (717) 232-7509
Fax: (717) 232-6687
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Case Management Agency (primary) Taxonomy 251B00000X

Record details

NPI number1760503247
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Charles Hooker — Ceo · (717) 232-7509
NPI enumeratedApril 3, 2007
Last updated in NPPESNovember 17, 2020
Certification dateNovember 17, 2020
Mailing address4391 Sturbridge Dr, Harrisburg, PA 17110-3673