Oleg Sostin, MD
NPI 1790170181 · Internal Medicine Physician · Danbury, CT
Oleg Sostin, MD is a Internal Medicine Physician provider in Danbury, CT (NPI 1790170181).
Provider details
- NPI number
- 1790170181
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 60166 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
- 2015-04-02
- Last updated
- 2018-07-09
Frequently asked questions
- What is Oleg Sostin's NPI number?
- Oleg Sostin's National Provider Identifier (NPI) is 1790170181, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oleg Sostin's specialty?
- Oleg Sostin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Oleg Sostin located?
- Oleg Sostin's practice location on file with NPPES is 24 Hospital Ave, Danbury, CT 06810.
- What is Oleg Sostin's phone number?
- The practice phone number listed in the NPPES registry for Oleg Sostin is (203) 739-6959.
- Is Oleg Sostin's NPI active?
- Yes — Oleg Sostin's NPI (1790170181) is active in the NPPES registry as of the last update on 2018-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.