Quick answers
- Which hospitals does William H. Rossy work at?
- Medicare's official clinician data lists William H. Rossy at 4 hospitals: Centrastate Medical Center, Hunterdon Medical Center, Robert Wood Johnson University Hospital - Somerset… and University Medical Center of Princeton at Plainsboro. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William H. Rossy see patients?
- Medicare's clinician data lists 2 practice locations, including Princeton, NJ. Call before your visit to confirm the address.
- What is William H. Rossy's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does William H. Rossy accept Medicare assignment?
- Yes. Medicare's clinician data says William H. Rossy 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 William H. Rossy?
- (609) 924-8131, as listed in official Medicare / NPI Registry data.
- What is William H. Rossy's NPI number?
- 1891012183. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William H. Rossy works
Medicare's Facility Affiliation Data lists William H. Rossy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Centrastate Medical CenterFreehold, NJ · Acute Care Hospital · CCN 310111
- Hunterdon Medical CenterFlemington, NJ · Acute Care Hospital · CCN 310005
- Robert Wood Johnson University Hospital - Somerset…Somerville, NJ · Acute Care Hospital · CCN 310048
- University Medical Center of Princeton at PlainsboroPlainsboro, NJ · Acute Care Hospital · CCN 310010
Practice locations
Addresses where William H. Rossy is enrolled with Medicare (CMS data updated 2026-10-02).
- 325 Princeton AvePrinceton, NJ 08540 (609) 924‑8131
- 727 State RdPrinceton, NJ 08540 (609) 924‑8131
Group practices
Medicare enrollment lists William H. Rossy as a member of this group (CMS data updated 2026-10-02).
- Orthonj LLC304 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Princeton
Clinicians with the same Medicare primary specialty in Princeton, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891012183 |
| 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