Joy Chang, M.D.
NPI 1154620540ActiveIndividual· Psychiatry & Neurology, Addiction Psychiatry· Baltimore, MD
Psychiatry & Neurology, Addiction Psychiatry (M.D.) in Baltimore, Maryland, trained at Wright State University Boonshoft School of Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $435,191 for 1,937 claims, against $51,810 paid for services in 2024. Janssen Pharmaceuticals, Inc was the largest of 5 companies reporting payments in 2025, $126.89 in all, mostly food and beverage.
Overview
| NPI | 1154620540 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 24, 2011 |
| Last updated in NPPES | Jul 30, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Addiction Psychiatry Primary | 2084P0802X | D0076718 | MD |
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 - Psychiatry (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 78 |
|---|---|
| Services billed | 632 across 9 procedure codes |
| Paid by Medicare | $51,810 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,937 · 2,242 30-day fills |
|---|---|
| Patients | 239 |
| Total drug cost | $435,191 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Wright State University Boonshoft School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Cornerstone Montgomery IncSilver Spring, MD · 23 clinicians
Industry payments (Open Payments)
- 2025$126.89 · 5 payments from 5 companies
- 2024$26.79 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Pharmaceuticals, Inc | $40.30 | 1 |
| E.R. Squibb & Sons, L.L.C. | $22.14 | 1 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $21.86 | 1 |
| Indivior Inc. | $21.67 | 1 |
| Otsuka America Pharmaceutical, Inc. | $20.92 | 1 |
What the 2025 payments were for
- Food and Beverage$126.89 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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