Quick answers
- Which hospitals does Andreas Terestenyi work at?
- Medicare's official clinician data lists Andreas Terestenyi at 4 hospitals: Camc Greenbrier Valley Medical Center, Inc, Charleston Area Medical Center, Griffin Hospital and Manchester Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Andreas Terestenyi see patients?
- Medicare's clinician data lists 3 practice locations, including Derby, CT, Vernon, CT and Charleston, WV. Call before your visit to confirm the address.
- What is Andreas Terestenyi's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does Andreas Terestenyi accept Medicare assignment?
- Yes. Medicare's clinician data says Andreas Terestenyi 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 Andreas Terestenyi?
- (203) 732-1352, as listed in official Medicare / NPI Registry data.
- What is Andreas Terestenyi's NPI number?
- 1306589833. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Andreas Terestenyi works
Medicare's Facility Affiliation Data lists Andreas Terestenyi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Camc Greenbrier Valley Medical Center, IncRonceverte, WV · Acute Care Hospital · CCN 510002
- Charleston Area Medical CenterCharleston, WV · Acute Care Hospital · CCN 510022
- Griffin HospitalDerby, CT · Acute Care Hospital · CCN 070031
- Manchester Memorial HospitalManchester, CT · Acute Care Hospital · CCN 070027
Practice locations
Addresses where Andreas Terestenyi is enrolled with Medicare (CMS data updated 2026-10-02).
- 130 Division StDerby, CT 06418 (203) 732‑1352
- 31 Union StVernon, CT 06066 (860) 872‑0501
- 501 Morris StCharleston, WV 25301 (304) 388‑7823
Group practices
Medicare enrollment lists Andreas Terestenyi as a member of these groups (CMS data updated 2026-10-02).
- Charleston Area Medical Center Inc985 clinicians in the group
- Griffin Faculty Physicians Inc134 clinicians in the group
- Hospitalist Medicine Physicians of Connecticut LLC40 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Derby
Clinicians with the same Medicare primary specialty in Derby, CT — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Lake Erie Col Of Osteo Med At Seton Hill Univ |
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306589833 |
| 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