Horizon Services, Incorporated
NPI 1548744170 · Substance Abuse Rehabilitation Facility · Pleasanton, CA
Horizon Services, Incorporated is a Substance Abuse Rehabilitation Facility organization in Pleasanton, CA (NPI 1548744170).
Provider details
- NPI number
- 1548744170
- Entity type
- Organization
- Primary specialty
- Substance Abuse Rehabilitation FacilityResidential Treatment Facilities
- Parent organization
- Horizon Services, Incorporated
- Organization subpart
- Yes
- Authorized official
- Janice Markwart, Operations Director(510) 582-2100
Specialties & taxonomies
Residential Treatment Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
Other names (DBA / former)
- Doing business as
- Project Eden
Registry dates
- Enumerated
- 2018-09-19
- Last updated
- 2018-09-19
Frequently asked questions
- What is Horizon Services, Incorporated's NPI number?
- Horizon Services, Incorporated's National Provider Identifier (NPI) is 1548744170, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Horizon Services, Incorporated?
- Horizon Services, Incorporated is classified in the NPPES registry as Substance Abuse Rehabilitation Facility (Residential Treatment Facilities).
- Where is Horizon Services, Incorporated located?
- Horizon Services, Incorporated's practice location on file with NPPES is 1020 Serpentine Ln, Pleasanton, CA 94566-4758.
- What is Horizon Services, Incorporated's phone number?
- The practice phone number listed in the NPPES registry for Horizon Services, Incorporated is (510) 247-8200.
- Who is the authorized official for Horizon Services, Incorporated?
- The authorized official listed on Horizon Services, Incorporated's NPPES record is Janice Markwart, Operations Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Horizon Services, Incorporated's NPI active?
- Yes — Horizon Services, Incorporated's NPI (1548744170) is active in the NPPES registry as of the last update on 2018-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.