Quick answers
- Which hospitals does Andrew Chang work at?
- Medicare's official clinician data lists Andrew Chang at 5 hospitals: Monmouth Medical Center, Robert Wood Johnson University Hospital, Robert Wood Johnson University Hospital - Somerset…, Robert Wood Johnson University Hospital at Hamilton and Saint Peter's University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Andrew Chang see patients?
- Medicare's clinician data lists 7 practice locations, including Hamilton, NJ, New Brunswick, NJ and Somerville, NJ. Call before your visit to confirm the address.
- What is Andrew Chang's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Andrew Chang accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew Chang 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 Andrew Chang?
- (732) 828-3000, as listed in official Medicare / NPI Registry data.
- What is Andrew Chang's NPI number?
- 1225534738. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Andrew Chang works
Medicare's Facility Affiliation Data lists Andrew Chang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Monmouth Medical CenterLong Branch, NJ · Acute Care Hospital · CCN 310075
- Robert Wood Johnson University HospitalNew Brunswick, NJ · Acute Care Hospital · CCN 310038
- 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
- Saint Peter's University HospitalNew Brunswick, NJ · Acute Care Hospital · CCN 310070
Practice locations
Addresses where Andrew Chang is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1 Hamilton Health PlHamilton, NJ 08690
- 1 Robert Wood Johnson PlNew Brunswick, NJ 08901
- 1 Robert Wood Johnson Place, Robert Wood Johnson HospitalNew Brunswick, NJ 08901 (732) 828‑3000
- 110 Rehill AveSomerville, NJ 08876
- 125 Paterson StNew Brunswick, NJ 08901
Group practices
Medicare enrollment lists Andrew Chang as a member of this group (CMS data updated 2026-10-02).
- Rutgers Health-Rwj Scleroderma Program391 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New Jersey →
Other cardiologists in Hamilton
Clinicians with the same Medicare primary specialty in Hamilton, NJ — not a recommendation.
Clinician information
| Medical school | Rutgers New Jersey Medical School |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225534738 |
| 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