Quick answers
- Which hospitals does Justin Tsai work at?
- Medicare's official clinician data lists Justin Tsai at 2 hospitals: Lenox Hill Hospital and Staten Island University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Justin Tsai see patients?
- Medicare's clinician data lists 2 practice locations, including Staten Island, NY and South Amboy, NJ. Call before your visit to confirm the address.
- What is Justin Tsai's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Justin Tsai accept Medicare assignment?
- Yes. Medicare's clinician data says Justin 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 Justin Tsai?
- (516) 302-8180, as listed in official Medicare / NPI Registry data.
- What is Justin Tsai's NPI number?
- 1912297359. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Justin Tsai works
Medicare's Facility Affiliation Data lists Justin Tsai 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
- Staten Island University HospitalStaten Island, NY · Acute Care Hospital · CCN 330160
Practice locations
Addresses where Justin Tsai is enrolled with Medicare (CMS data updated 2026-10-02).
- 3333 Hylan BlvdStaten Island, NY 10306 (516) 302‑8180
- 540 Bordentown AveSouth Amboy, NJ 08879 (732) 525‑2227
Group practices
Medicare enrollment lists Justin Tsai as a member of this group (CMS data updated 2026-10-02).
- True North Medical Group PC188 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Staten Island
Clinicians with the same Medicare primary specialty in Staten Island, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912297359 |
| 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