Steve I. Chang, MD
NPI 1295897569ActiveIndividual· Internal Medicine· New Berlin, WI
Internal Medicine (MD) in New Berlin, Wisconsin, trained at New York University School of Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $1,554,058 for 20,255 claims, against $146,221 paid for services in 2024. Novo Nordisk Inc was the largest of 24 companies reporting payments in 2025, $2,641 in all, mostly food and beverage.
Overview
| NPI | 1295897569 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 14, 2006 |
| Last updated in NPPES | Sep 19, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 38648 | WI |
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 (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 473 |
|---|---|
| Services billed | 1,981 across 22 procedure codes |
| Paid by Medicare | $146,221 |
Part D prescriptions in 2024
| Prescriptions (claims) | 20,255 · 22,724 30-day fills |
|---|---|
| Patients | 636 |
| Total drug cost | $1,554,058 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Internal Medicine |
Hospital affiliation
- Aurora St Lukes Medical CenterMilwaukee, WI
Other facilities
- Allay HospiceHospice · Brookfield, WI
- Aurora at HomeHospice · Wauwatosa, WI
- Brighton Hospice WisconsinHospice · Brookfield, WI
- Castle HospiceHospice · New Berlin, WI
- Moments Hospice of MilwaukeeHospice · Mount Pleasant, WI
- Clement Manor Health Care CenterNursing home · Greenfield, WI
- Complete Care at Hales CornersNursing home · Hales Corners, WI
- Complete Care at SouthpointeNursing home · Greenfield, WI
- Muskego Health and Rehabilitation CenterNursing home · Muskego, WI
Industry payments (Open Payments)
- 2025$2,641 · 108 payments from 24 companies
- 2024$3,015 · 146 payments from 26 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $368.16 | 12 |
| Astrazeneca Pharmaceuticals LP | $273.06 | 12 |
| Teva Pharmaceuticals USA, Inc. | $253.97 | 9 |
| Ucb, Inc. | $251.69 | 6 |
| E.R. Squibb & Sons, L.L.C. | $181.91 | 7 |
What the 2025 payments were for
- Food and Beverage$2,641 · 108 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 19 internal medicine physicians in New Berlin · All internal medicine physicians in Wisconsin