Brandon Fen Chang, MD
NPI 1538622287ActiveIndividual· Emergency Medicine· Chicago, IL
Emergency Medicine (MD) in Chicago, Illinois, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 2019). 429 Medicare patients in 2024, $58,908 paid; nearly all of their 219 Part D prescriptions were generic (93%). Pfizer Inc. reported $19.79 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1538622287 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 10, 2019 |
| Last updated in NPPES | Jun 25, 2020 |
| Certified by provider | Jun 25, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 125.077096 | IL |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Emergency Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 429 |
|---|---|
| Services billed | 662 across 19 procedure codes |
| Paid by Medicare | $58,908 |
Part D prescriptions in 2024
| Prescriptions (claims) | 219 · 223 30-day fills |
|---|---|
| Patients | 168 |
| Total drug cost | $2,594 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Emergency Medicine |
Medical group
- Aurora Emergency Physicians LLCAurora, IL · 42 clinicians
Hospital affiliation
- Copley Memorial HospitalAurora, IL
Industry payments (Open Payments)
- 2025$19.79 · 1 payment from 1 company
- 2024$19.45 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $19.79 | 1 |
What the 2025 payments were for
- Food and Beverage$19.79 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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