Quick answers
- Which hospitals does Adrian Chernyk work at?
- Medicare's official clinician data lists Adrian Chernyk at 4 hospitals: Lenox Hill Hospital, Peconic Bay Medical Center, Rapides Regional Medical Center and Staten Island University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Adrian Chernyk see patients?
- Medicare's clinician data lists 3 practice locations, including Riverhead, NY, New York, NY and Alexandria, LA. Call before your visit to confirm the address.
- What is Adrian Chernyk's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does Adrian Chernyk accept Medicare assignment?
- Yes. Medicare's clinician data says Adrian Chernyk accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Adrian Chernyk?
- (631) 548-6101, as listed in official Medicare / NPI Registry data.
- What is Adrian Chernyk's NPI number?
- 1265012314. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Adrian Chernyk works
Medicare's Facility Affiliation Data lists Adrian Chernyk at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lenox Hill HospitalNew York, NY · Acute Care Hospital · CCN 330119
- Peconic Bay Medical CenterRiverhead, NY · Acute Care Hospital · CCN 330107
- Rapides Regional Medical CenterAlexandria, LA · Acute Care Hospital · CCN 190026
- Staten Island University HospitalStaten Island, NY · Acute Care Hospital · CCN 330160
Practice locations
Addresses where Adrian Chernyk is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Heroes WayRiverhead, NY 11901 (631) 548‑6101
- 100 E 77th StNew York, NY 10075 (212) 434‑2140
- 211 4th StAlexandria, LA 71301 (484) 965‑9566
Group practices
Medicare enrollment lists Adrian Chernyk as a member of these groups (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
- Central Suffolk Hospital95 clinicians in the group
- Calcasieu Cameron Hospital Medicine Group LLC63 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Riverhead
Clinicians with the same Medicare primary specialty in Riverhead, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265012314 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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