Quick answers
- Which hospitals does Joseph Wang work at?
- Medicare's official clinician data lists Joseph Wang at 2 hospitals: Community Medical Center and Robert Wood Johnson University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Joseph Wang see patients?
- Medicare's clinician data lists 1 practice location in Belleville, NJ. Call before your visit to confirm the address.
- What is Joseph Wang's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Joseph Wang accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph Wang 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 Joseph Wang?
- (973) 450-2000, as listed in official Medicare / NPI Registry data.
- What is Joseph Wang's NPI number?
- 1700306925. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joseph Wang works
Medicare's Facility Affiliation Data lists Joseph Wang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Community Medical CenterToms River, NJ · Acute Care Hospital · CCN 310041
- Robert Wood Johnson University HospitalNew Brunswick, NJ · Acute Care Hospital · CCN 310038
Practice locations
Addresses where Joseph Wang is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Clara Maass DrBelleville, NJ 07109 (973) 450‑2000
Group practices
Medicare enrollment lists Joseph Wang 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 Belleville
Clinicians with the same Medicare primary specialty in Belleville, NJ — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700306925 |
| 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