Dmitri Oster, LCSW, CASAC, MA
NPI 1548591746 · Addiction (Substance Use Disorder) Counselor · Brooklyn, NY
Dmitri Oster, LCSW, CASAC, MA is a Addiction (Substance Use Disorder) Counselor provider in Brooklyn, NY (NPI 1548591746).
Provider details
- NPI number
- 1548591746
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- LCSW, CASAC, MA
- Sex
- Male
- Sole proprietor
- No
- License
- 22192 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
16 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
- 2010-01-28
- Last updated
- 2014-09-02
Frequently asked questions
- What is Dmitri Oster's NPI number?
- Dmitri Oster's National Provider Identifier (NPI) is 1548591746, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dmitri Oster's specialty?
- Dmitri Oster is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Dmitri Oster located?
- Dmitri Oster's practice location on file with NPPES is 1670 E 17th St, Brooklyn, NY 11229-1281.
- What is Dmitri Oster's phone number?
- The practice phone number listed in the NPPES registry for Dmitri Oster is (718) 233-2533.
- Is Dmitri Oster's NPI active?
- Yes — Dmitri Oster's NPI (1548591746) is active in the NPPES registry as of the last update on 2014-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.