Eric Dierker
NPI 1215712492 · Addiction (Substance Use Disorder) Counselor · Spring Valley, CA
Eric Dierker is a Addiction (Substance Use Disorder) Counselor provider in Spring Valley, CA (NPI 1215712492).
Provider details
- NPI number
- 1215712492
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
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
2 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2023-08-28
- Last updated
- 2023-08-28
- Certified
- 2023-08-28
Frequently asked questions
- What is Eric Dierker's NPI number?
- Eric Dierker's National Provider Identifier (NPI) is 1215712492, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Dierker's specialty?
- Eric Dierker is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Eric Dierker located?
- Eric Dierker's practice location on file with NPPES is 908 Parkbrook St, Spring Valley, CA 91977-4723.
- What is Eric Dierker's phone number?
- The practice phone number listed in the NPPES registry for Eric Dierker is (858) 736-4432.
- Is Eric Dierker's NPI active?
- Yes — Eric Dierker's NPI (1215712492) is active in the NPPES registry as of the last update on 2023-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.