Quick answers
- Does Oleg I. Reznik accept Medicare assignment?
- Yes. Medicare's clinician data says Oleg I. Reznik accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Oleg I. Reznik's NPI number?
- 1699780197. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Oleg I. Reznik works
Medicare's Facility Affiliation Data lists Oleg I. Reznik at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Mount Desert Island HospitalBar Harbor, ME · Critical Access Hospital · Emergency services: listed by Medicare · CCN 201304
- Northern Light Maine Coast HospitalEllsworth, ME · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 200050
Practice locations
Addresses where Oleg I. Reznik is enrolled with Medicare (CMS data updated October 2, 2026).
- 333 Main StBar Harbor, ME 04609 (503) 863‑6868
Specialties
- Family Practiceprimary
Other family doctors in Bar Harbor
Clinicians with the same Medicare primary specialty in Bar Harbor, ME — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699780197 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians