Keystone Service Systems, Inc. is a psychology clinic located in Harrisburg, Pennsylvania. specializing in Intellectual & Developmental Disabilities. The clinic is located at 4391 Sturbridge Dr, Harrisburg, PA and can be reached at 717-232-7509. The authorized official for Keystone Service Systems, Inc. is Mr. Charles S. Sweeder,
who serves the clinic’s Chief Executive Officer. He/She can be contacted at 717-232-7509. Keystone Service Systems, Inc. Clinic is focused on understanding, assessing, and supporting individuals with intellectual and developmental disabilities. It involves evaluating cognitive, emotional, behavioral, and adaptive functioning and providing psychological interventions to improve daily living skills, communication, social development, and overall well-being. The clinic provides support for individuals with conditions such as intellectual disabilities, autism spectrum disorder, and other developmental disorders.
Clinic Information
Keystone Service Systems, Inc. Clinic's specialty, address, contact phone number and fax are as below. Patients can contact the clinic at the given phone number for appointments.
Officially authorized person to contact for any management issues or complaints for this clinic are as below. Person's position and contact details are also mentioned below.
Name Mr. Charles S. Sweeder
Position Chief Executive Officer
Contact Number 717-232-7509
Professional Identification Codes
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
NPI Number1568525640
NPI Enumeration Date: 19 Dec, 2006
NPI Last Update On: 22 Apr, 2026
Medical Licenses
Organizations can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Keystone Service Systems, Inc. are as mentioned below.
Other professional identifiers associated with Keystone Service Systems, Inc. such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
0001018356MedicaidDelaware
Mailing Address
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.
Keystone Service Systems, Inc. 4391 Sturbridge Dr, Harrisburg, PA - 17110-3673 Phone: 717-740-2949 Fax: 717-232-4597
Book an Appointment with Keystone Service Systems, Inc.
To schedule an appointment, contact Keystone Service Systems, Inc. at 4391 Sturbridge Dr, Harrisburg, Pennsylvania or call the phone number listed below.
Below are some commonly asked questions about Keystone Service Systems, Inc. clinic:
Keystone Service Systems, Inc. is a psychology clinic specializing in Intellectual & Developmental Disabilities Psychology.
Keystone Service Systems, Inc. is located at 4391 Sturbridge Dr, Harrisburg, Pennsylvania 17110-3673.
Patients can contact Keystone Service Systems, Inc. at 717-232-7509
for inquiries about its services and appointments.
Please contact Keystone Service Systems, Inc. directly to inquire about
new-patient availability and appointment options.
* Availability may change.
Keystone Service Systems, Inc. is focused on understanding, assessing, and supporting individuals with intellectual and developmental disabilities. It involves evaluating cognitive, emotional, behavioral, and adaptive functioning and providing psychological interventions to improve daily living skills, communication, social development, and overall well-being. The clinic provides support for individuals with conditions such as intellectual disabilities, autism spectrum disorder, and other developmental disorders.
Patients can contact Keystone Service Systems, Inc. at 717-232-7509
to inquire about appointments, consultation requirements
and available services.
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