Hui-Zi Chen, M.D., PH.D.
NPI 1386082691ActiveIndividual· Internal Medicine, Medical Oncology· Milwaukee, WI
Internal Medicine, Medical Oncology (M.D., PH.D.) in Milwaukee, Wisconsin, trained at Ohio State University College of Medicine (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $1,661,044 for 327 claims, against $18,421 paid for services in 2024. Jazz Pharmaceuticals Inc. was the largest of 2 companies reporting payments in 2025, $15,480 in all, mostly speaking and faculty fees.
Overview
| NPI | 1386082691 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | No |
| NPI issued | Jun 8, 2013 |
| Last updated in NPPES | Mar 26, 2021 |
| Certified by provider | Mar 26, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 74761 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 60 |
|---|---|
| Services billed | 259 across 6 procedure codes |
| Paid by Medicare | $18,421 |
Part D prescriptions in 2024
| Prescriptions (claims) | 327 · 364 30-day fills |
|---|---|
| Patients | 76 |
| Total drug cost | $1,661,044 |
| Generic share | 62% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- The Medical College of Wisconsin IncMilwaukee, WI · 2,115 clinicians
Hospital affiliation
- Froedtert Memorial Lutheran HospitalMilwaukee, WI
Industry payments (Open Payments)
- 2025$15,480 · 7 payments from 2 companies
- 2024$16,024 · 8 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Jazz Pharmaceuticals Inc. | $15,355 | 6 |
| Astrazeneca Pharmaceuticals LP | $124.99 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$14,467 · 3 payments
- Travel and Lodging$764.43 · 2 payments
- Food and Beverage$248.46 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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