Quick answers
- Which hospitals does Jason Tsai work at?
- Medicare's official clinician data lists Jason Tsai at 5 hospitals: Chsli St Joseph Hospital, Good Samaritan Hospital Medical Center, St Catherine of Siena Hospital, St Charles Hospital and Suny/Stony Brook University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jason Tsai see patients?
- Medicare's clinician data lists 2 practice locations, including West Islip, NY and Commack, NY. Call before your visit to confirm the address.
- What is Jason Tsai's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Jason Tsai accept Medicare assignment?
- Yes. Medicare's clinician data says Jason Tsai 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 Jason Tsai?
- (718) 223-4685, as listed in official Medicare / NPI Registry data.
- What is Jason Tsai's NPI number?
- 1588862247. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jason Tsai works
Medicare's Facility Affiliation Data lists Jason Tsai at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Chsli St Joseph HospitalBethpage, NY · Acute Care Hospital · CCN 330332
- Good Samaritan Hospital Medical CenterWest Islip, NY · Acute Care Hospital · CCN 330286
- St Catherine of Siena HospitalSmithtown, NY · Acute Care Hospital · CCN 330401
- St Charles HospitalPort Jefferson, NY · Acute Care Hospital · CCN 330246
- Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · CCN 330393
Practice locations
Addresses where Jason Tsai is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 Montauk HwyWest Islip, NY 11795 (718) 223‑4685
- 500 Commack Rd, Unit 150cCommack, NY 11725 (934) 223‑7171
Group practices
Medicare enrollment lists Jason Tsai as a member of these groups (CMS data updated 2026-10-02).
- Empire State Radiology P C268 clinicians in the group
- St Francis Cardiac Prevention Services PC62 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in West Islip
Clinicians with the same Medicare primary specialty in West Islip, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588862247 |
| 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