Andrew Besser
NPI 1356983605 · Addiction (Substance Use Disorder) Counselor · Los Angeles, CA
Andrew Besser is a Addiction (Substance Use Disorder) Counselor provider in Los Angeles, CA (NPI 1356983605).
Provider details
- NPI number
- 1356983605
- 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
6 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
- 2019-10-08
- Last updated
- 2019-10-08
Frequently asked questions
- What is Andrew Besser's NPI number?
- Andrew Besser's National Provider Identifier (NPI) is 1356983605, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Besser's specialty?
- Andrew Besser is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Andrew Besser located?
- Andrew Besser's practice location on file with NPPES is 8831 Venice Blvd, Los Angeles, CA 90034-3223.
- What is Andrew Besser's phone number?
- The practice phone number listed in the NPPES registry for Andrew Besser is (310) 204-5200.
- Is Andrew Besser's NPI active?
- Yes — Andrew Besser's NPI (1356983605) is active in the NPPES registry as of the last update on 2019-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.