Quick answers
- Which hospitals does Jimmy C. Chang work at?
- Medicare's official clinician data lists Jimmy C. Chang at 5 hospitals: Ahs Hospital Corp, Morristown Medical Center, Newton Medical Center, Saint Clare's Hospital/ Denville Campus and St Luke's Warren Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jimmy C. Chang see patients?
- Medicare's clinician data lists 4 practice locations, including Budd Lake, NJ, Chester, NJ and Hackettstown, NJ. Call before your visit to confirm the address.
- What is Jimmy C. Chang's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Gastroenterology.
- Does Jimmy C. Chang accept Medicare assignment?
- Yes. Medicare's clinician data says Jimmy C. 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 Jimmy C. Chang?
- (973) 691-1111, as listed in official Medicare / NPI Registry data.
- What is Jimmy C. Chang's NPI number?
- 1629082300. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jimmy C. Chang works
Medicare's Facility Affiliation Data lists Jimmy C. Chang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ahs Hospital CorpHackettstown, NJ · Acute Care Hospital · CCN 310115
- Morristown Medical CenterMorristown, NJ · Acute Care Hospital · CCN 310015
- Newton Medical CenterNewton, NJ · Acute Care Hospital · CCN 310028
- Saint Clare's Hospital/ Denville CampusDenville, NJ · Acute Care Hospital · CCN 310050
- St Luke's Warren HospitalPhillipsburg, NJ · Acute Care Hospital · CCN 310060
Practice locations
Addresses where Jimmy C. Chang is enrolled with Medicare (CMS data updated 2026-10-02).
- 125 US Hwy 46, Suite 1Budd Lake, NJ 07828 (973) 691‑1111
- 245 Main St, Suite 302Chester, NJ 07930 (908) 850‑7800
- 415 Route 24, Suite EChester, NJ 07930 (908) 879‑1500
- 657 Willow Grove St, Suite 401Hackettstown, NJ 07840 (908) 850‑7800
Group practices
Medicare enrollment lists Jimmy C. Chang as a member of these groups (CMS data updated 2026-10-02).
- Advanced Cardiology LLC32 clinicians in the group
- Plaza Family Care PC2 clinicians in the group
Specialties
- Internal Medicineprimary
- Gastroenterologyalso
Other internal medicine doctors in New Jersey
Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629082300 |
| 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