Corey Bierman
NPI 1770306391 · Addiction (Substance Use Disorder) Counselor · Garden Grove, CA
Corey Bierman is a Addiction (Substance Use Disorder) Counselor provider in Garden Grove, CA (NPI 1770306391).
Provider details
- NPI number
- 1770306391
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- CI35980722 (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
1 yr 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
- 2024-11-04
- Last updated
- 2024-11-19
- Certified
- 2024-11-19
Frequently asked questions
- What is Corey Bierman's NPI number?
- Corey Bierman's National Provider Identifier (NPI) is 1770306391, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Corey Bierman's specialty?
- Corey Bierman is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Corey Bierman located?
- Corey Bierman's practice location on file with NPPES is 13222 Chapman Ave, Garden Grove, CA 92840-4414.
- What is Corey Bierman's phone number?
- The practice phone number listed in the NPPES registry for Corey Bierman is (949) 767-1770.
- Is Corey Bierman's NPI active?
- Yes — Corey Bierman's NPI (1770306391) is active in the NPPES registry as of the last update on 2024-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.