Jimmy Chang, M.D.
NPI 1629082300ActiveIndividual· Internal Medicine· Hackettstown, NJ
Internal Medicine (M.D.) in Hackettstown, New Jersey, trained at Northwestern University Feinberg Medical School (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $519,130 for 6,263 claims, against $154,007 paid for services in 2024.
Overview
| NPI | 1629082300 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 28, 2006 |
| Last updated in NPPES | Sep 11, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25MA06550000 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 455 |
|---|---|
| Services billed | 2,337 across 35 procedure codes |
| Paid by Medicare | $154,007 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,263 · 15,101 30-day fills |
|---|---|
| Patients | 562 |
| Total drug cost | $519,130 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Gastroenterology |
Medical groups
- Advanced Cardiology LLCNewton, NJ · 32 clinicians
- Plaza Family Care PCChester, NJ · 2 clinicians
Hospital affiliations
- Ahs Hospital CorpHackettstown, NJ
- Morristown Medical CenterMorristown, NJ
- Newton Medical CenterNewton, NJ
- Saint Clare's Hospital/ Denville CampusDenville, NJ
- St Luke's Warren HospitalPhillipsburg, NJ
Other facilities
- Atlantic Visiting NurseHome health agency · Morristown, NJ
- Kessler Rehab CenterInpatient rehabilitation facility · West Orange, NJ
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 39 internal medicine physicians in Hackettstown · All internal medicine physicians in New Jersey