Andrew Holler
NPI 1154835635 · Addiction (Substance Use Disorder) Counselor · Fullerton, CA
Andrew Holler is a Addiction (Substance Use Disorder) Counselor provider in Fullerton, CA (NPI 1154835635).
Provider details
- NPI number
- 1154835635
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 10774 (CA)
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
8 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
- 2017-11-20
- Last updated
- 2021-06-17
- Certified
- 2021-06-17
Frequently asked questions
- What is Andrew Holler's NPI number?
- Andrew Holler's National Provider Identifier (NPI) is 1154835635, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Holler's specialty?
- Andrew Holler is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Andrew Holler located?
- Andrew Holler's practice location on file with NPPES is 771 W Orangethorpe Ave, Fullerton, CA 92832-2806.
- What is Andrew Holler's phone number?
- The practice phone number listed in the NPPES registry for Andrew Holler is (714) 879-0929.
- Is Andrew Holler's NPI active?
- Yes — Andrew Holler's NPI (1154835635) is active in the NPPES registry as of the last update on 2021-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.