Jacqueline C'Yen Chang, M.D.
NPI 1003929696ActiveIndividual· Internal Medicine, Pulmonary Disease· Boston, MA
Internal Medicine, Pulmonary Disease (M.D.) in Boston, Massachusetts, trained at University of North Carolina at Chapel Hill School of Medicine (class of 1998). 420 Medicare patients in 2024, $50,041 paid; nearly all of their 307 Part D prescriptions were generic (97%). Janssen Scientific Affairs, LLC was the largest of 2 companies reporting payments in 2025, $138.58 in all, mostly food and beverage.
Overview
| NPI | 1003929696 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 16, 2006 |
| Last updated in NPPES | Apr 13, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 213131 | MA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 213131 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 420 |
|---|---|
| Services billed | 769 across 22 procedure codes |
| Paid by Medicare | $50,041 |
Part D prescriptions in 2024
| Prescriptions (claims) | 307 · 519 30-day fills |
|---|---|
| Patients | 72 |
| Total drug cost | $9,035 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of North Carolina at Chapel Hill School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Critical Care (Intensivists), Pulmonary Disease, Sleep Medicine |
| Telehealth | Offers telehealth |
Medical group
- Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr IncBoston, MA · 1,740 clinicians
Hospital affiliations
- Beth Israel Deaconess Hospital - NeedhamNeedham, MA
- Beth Israel Deaconess Medical CenterBoston, MA
Industry payments (Open Payments)
- 2025$138.58 · 2 payments from 2 companies
- 2024$173.74 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Scientific Affairs, LLC | $112.23 | 1 |
| Janssen Biotech, Inc. | $26.35 | 1 |
What the 2025 payments were for
- Food and Beverage$138.58 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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