Quick answers
- Which hospitals does Stephen Ong work at?
- Medicare's official clinician data lists Stephen Ong at 4 hospitals: Robert Wood Johnson University Hospital - Somerset…, Robert Wood Johnson University Hospital at Hamilton, Robert Wood Johnson University Hospital at Rahway and Trinitas Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephen Ong see patients?
- Medicare's clinician data lists 2 practice locations, including New Brunswick, NJ and Jersey City, NJ. Call before your visit to confirm the address.
- What is Stephen Ong's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Stephen Ong accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen Ong 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 Stephen Ong?
- (732) 828-3000, as listed in official Medicare / NPI Registry data.
- What is Stephen Ong's NPI number?
- 1417453242. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephen Ong works
Medicare's Facility Affiliation Data lists Stephen Ong at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Robert Wood Johnson University Hospital - Somerset…Somerville, NJ · Acute Care Hospital · CCN 310048
- Robert Wood Johnson University Hospital at HamiltonHamilton, NJ · Acute Care Hospital · CCN 310110
- Robert Wood Johnson University Hospital at RahwayRahway, NJ · Acute Care Hospital · CCN 310024
- Trinitas Regional Medical CenterElizabeth, NJ · Acute Care Hospital · CCN 310027
Practice locations
Addresses where Stephen Ong is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Robert Wood Johnson PlNew Brunswick, NJ 08901 (732) 828‑3000
- 355 Grand StJersey City, NJ 07302 (201) 915‑2000
Group practices
Medicare enrollment lists Stephen Ong as a member of this group (CMS data updated 2026-10-02).
- RWJBH Emergency Medicine Associates, LLC848 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in New Brunswick
Clinicians with the same Medicare primary specialty in New Brunswick, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417453242 |
| 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