Jason Oster, CCAPP
NPI 1265032932 · Addiction (Substance Use Disorder) Counselor · Tarzana, CA
Jason Oster, CCAPP is a Addiction (Substance Use Disorder) Counselor provider in Tarzana, CA (NPI 1265032932).
Provider details
- NPI number
- 1265032932
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CCAPP
- Sex
- Male
- Sole proprietor
- Yes
- License
- R1367511019 (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
5 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
- 2020-10-30
- Last updated
- 2020-10-30
- Certified
- 2020-10-30
Frequently asked questions
- What is Jason Oster's NPI number?
- Jason Oster's National Provider Identifier (NPI) is 1265032932, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Oster's specialty?
- Jason Oster is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Jason Oster located?
- Jason Oster's practice location on file with NPPES is 18646 Oxnard St, Tarzana, CA 91356-1486.
- What is Jason Oster's phone number?
- The practice phone number listed in the NPPES registry for Jason Oster is (818) 996-1051.
- Is Jason Oster's NPI active?
- Yes — Jason Oster's NPI (1265032932) is active in the NPPES registry as of the last update on 2020-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.