Keystone Service Systems, Inc
NPI 1235385519 · Community/Behavioral Health Agency · Lancaster, PA
Keystone Service Systems, Inc is a Community/Behavioral Health Agency organization in Lancaster, PA (NPI 1235385519).
Provider details
- NPI number
- 1235385519
- Entity type
- Organization
- Primary specialty
- Community/Behavioral Health AgencyAgencies
- Organization subpart
- No
- Authorized official
- Charles Hooker, Vp(717) 232-7509
Specialties & taxonomies
Agencies
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2008-08-18
- Last updated
- 2021-03-15
- Certified
- 2021-03-15
Frequently asked questions
- What is Keystone Service Systems, Inc's NPI number?
- Keystone Service Systems, Inc's National Provider Identifier (NPI) is 1235385519, 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 Community/Behavioral Health Agency (Agencies).
- Where is Keystone Service Systems, Inc located?
- Keystone Service Systems, Inc's practice location on file with NPPES is 230 S Queen St, Lancaster, PA 17603-5342.
- 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 Hooker, Vp. 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 (1235385519) is active in the NPPES registry as of the last update on 2021-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.