Quick answers
- Which hospitals does John Yoon work at?
- Medicare's official clinician data lists John Yoon at 5 hospitals: Clara Maass Medical Center, Cooperman Barnabas Medical Center, Jersey City Medical Center, Robert Wood Johnson University Hospital at Hamilton and Robert Wood Johnson University Hospital at Rahway. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Yoon see patients?
- Medicare's clinician data lists 2 practice locations, including Newark, NJ and Toms River, NJ. Call before your visit to confirm the address.
- What is John Yoon's specialty?
- Medicare lists Interventional Radiology as the primary specialty.
- Does John Yoon accept Medicare assignment?
- Yes. Medicare's clinician data says John Yoon 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 John Yoon?
- (973) 926-7000, as listed in official Medicare / NPI Registry data.
- What is John Yoon's NPI number?
- 1184854531. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John Yoon works
Medicare's Facility Affiliation Data lists John Yoon at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Clara Maass Medical CenterBelleville, NJ · Acute Care Hospital · CCN 310009
- Cooperman Barnabas Medical CenterLivingston, NJ · Acute Care Hospital · CCN 310076
- Jersey City Medical CenterJersey City, NJ · Acute Care Hospital · CCN 310074
- 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
Practice locations
Addresses where John Yoon is enrolled with Medicare (CMS data updated 2026-10-02).
- 201 Lyons AveNewark, NJ 07112 (973) 926‑7000
- 99 Hwy 37 W, Community Medical CenterToms River, NJ 08755 (732) 557‑8000
Group practices
Medicare enrollment lists John Yoon as a member of this group (CMS data updated 2026-10-02).
- RWJBH Observation Associates LLC1,008 clinicians in the group
Specialties
- Interventional Radiologyprimary
Other interventional radiologists in Newark
Clinicians with the same Medicare primary specialty in Newark, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers R W Johnson Medical School (cam/new Bruns/pisc) |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184854531 |
| 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