Keystone Service Systems, Inc.
Mental Retardation & Developmental Disabilities - Psychology Clinic
4391 Sturbridge Dr, Harrisburg
Pennsylvania, 17110-3673
717-232-7509 717-232-6687
Maps & DirectionsKeystone Service Systems, Inc. is a Mental Retardation & Developmental Disabilities - Psychology Clinic in Harrisburg, Pennsylvania. It is located at 4391 Sturbridge Dr, Harrisburg, PA and its contact number is 717-232-7509. The authorized person for Keystone Service Systems, Inc. is Mr. Charles S. Sweeder
who is Chief Executive Officer of the clinic and his/her contact number is 717-232-7509.
Keystone Service Systems, Inc. Clinic
Complete Clinic Profile:
Keystone Service Systems, Inc. Clinic speciality, address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointments.
| Name: | Keystone Service Systems, Inc. |
| Specialization: | Mental Retardation & Developmental Disabilities Psychology |
| Clinic Address: | 4391 Sturbridge Dr, Harrisburg,
Pennsylvania, 17110-3673 |
| Phone: | 717-232-7509 |
| Fax: | 717-232-6687 |
Authorized/Official Person Profile:
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 health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details for Keystone Service Systems, Inc. clinic are as mentioned below.
| NPI Number: | 1568525640 |
| 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.
| Specialization | License Number | State | Status | |
| Mental Retardation & Developmental Disabilities | | | Primary | |
Other Medical Identifiers:
Other legacy medical identifiers of the clinic such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 0001018356 | Medicaid | Delaware | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Keystone Service Systems, Inc.
4391 Sturbridge Dr,
Harrisburg, Pennsylvania |
| Zip: | 17110-3673 |
| Phone Number: | 717-740-2949 |
| Fax Number: | 717-232-4597 |
Patients can reach Keystone Service Systems, Inc. at
4391 Sturbridge Dr, Harrisburg, Pennsylvania or can
call to book an appointment on 717-232-7509.
Comments/ Reviews:
Read all the reviews posted for Keystone Service Systems, Inc. below. You may also share your own experience with Keystone Service Systems, Inc.. Your feedback can help others make better decisions.
**
Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 June, 2026.