Greg Horner Medical Inc
NPI 1821759291 · Multi-Specialty Clinic/Center · Pleasanton, CA
Greg Horner Medical Inc is a Multi-Specialty Clinic/Center organization in Pleasanton, CA (NPI 1821759291).
Provider details
- NPI number
- 1821759291
- Entity type
- Organization
- Primary specialty
- Multi-Specialty Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Gregory Horner, President(925) 984-4734
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- 2022-01-06
- Last updated
- 2022-01-06
- Certified
- 2022-01-06
Frequently asked questions
- What is Greg Horner Medical Inc's NPI number?
- Greg Horner Medical Inc's National Provider Identifier (NPI) is 1821759291, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Greg Horner Medical Inc?
- Greg Horner Medical Inc is classified in the NPPES registry as Multi-Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is Greg Horner Medical Inc located?
- Greg Horner Medical Inc's practice location on file with NPPES is 4626 Willow Rd, Pleasanton, CA 94588-8517.
- What is Greg Horner Medical Inc's phone number?
- The practice phone number listed in the NPPES registry for Greg Horner Medical Inc is (925) 984-4734.
- Who is the authorized official for Greg Horner Medical Inc?
- The authorized official listed on Greg Horner Medical Inc's NPPES record is Gregory Horner, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Greg Horner Medical Inc's NPI active?
- Yes — Greg Horner Medical Inc's NPI (1821759291) is active in the NPPES registry as of the last update on 2022-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.