Quick answers
- Which hospitals does Joseph Wiedermann work at?
- Medicare's official clinician data lists Joseph Wiedermann at 2 hospitals: Good Samaritan Hospital Medical Center and Suny/Stony Brook University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Joseph Wiedermann see patients?
- Medicare's clinician data lists 2 practice locations, including Rockville Center, NY and Riverhead, NY. Call before your visit to confirm the address.
- What is Joseph Wiedermann's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Joseph Wiedermann accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph Wiedermann 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 Joseph Wiedermann?
- (631) 837-2359, as listed in official Medicare / NPI Registry data.
- What is Joseph Wiedermann's NPI number?
- 1952334542. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joseph Wiedermann works
Medicare's Facility Affiliation Data lists Joseph Wiedermann at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Good Samaritan Hospital Medical CenterWest Islip, NY · Acute Care Hospital · CCN 330286
- Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · CCN 330393
Practice locations
Addresses where Joseph Wiedermann is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 N Village AveRockville Center, NY 11570
- 800 Old Country RdRiverhead, NY 11901 (631) 837‑2359
Group practices
Medicare enrollment lists Joseph Wiedermann as a member of this group (CMS data updated 2026-10-02).
- CHS Physician Partners PC743 clinicians in the group
Specialties
Other interventional cardiologists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Columbia University College Of Physicians And Surgeons |
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952334542 |
| 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