Keystone Service Systems, Inc.
NPI 1568525640 · Intellectual & Developmental Disabilities Psychologist · Harrisburg, PA
Keystone Service Systems, Inc. is a Intellectual & Developmental Disabilities Psychologist organization in Harrisburg, PA (NPI 1568525640).
Provider details
- NPI number
- 1568525640
- Entity type
- Organization
- Primary specialty
- Intellectual & Developmental Disabilities PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Charles Sweeder, Chief Executive Officer(717) 232-7509
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-19
- Last updated
- 2026-04-22
- Certified
- 2026-04-22
Frequently asked questions
- What is Keystone Service Systems, Inc.'s NPI number?
- Keystone Service Systems, Inc.'s National Provider Identifier (NPI) is 1568525640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Keystone Service Systems, Inc.?
- Keystone Service Systems, Inc. is classified in the NPPES registry as Intellectual & Developmental Disabilities Psychologist (Behavioral Health & Social Service Providers).
- Where is Keystone Service Systems, Inc. located?
- Keystone Service Systems, Inc.'s practice location on file with NPPES is 4391 Sturbridge Dr, Harrisburg, PA 17110-3673.
- What is Keystone Service Systems, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Keystone Service Systems, Inc. is (717) 232-7509.
- Who is the authorized official for Keystone Service Systems, Inc.?
- The authorized official listed on Keystone Service Systems, Inc.'s NPPES record is Charles Sweeder, Chief Executive Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Keystone Service Systems, Inc.'s NPI active?
- Yes — Keystone Service Systems, Inc.'s NPI (1568525640) is active in the NPPES registry as of the last update on 2026-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.