Michael Seth Weinfeld, DO
NPI 1902435183ActiveIndividual· Internal Medicine, Hematology & Oncology· Chicago, IL
Internal Medicine, Hematology & Oncology (DO) in Chicago, Illinois, trained at Des Moines University of Osteopathic Medicine and Health Sciences (class of 2020). Part D covered 96 prescriptions written in 2024, 91% of them generic. Janssen Biotech, Inc. was the largest of 7 companies reporting payments in 2025, $807.74 in all, mostly food and beverage.
Overview
| NPI | 1902435183 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 8, 2020 |
| Last updated in NPPES | Jul 20, 2026 |
| Certified by provider | Jul 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 036.177864 | IL |
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 - Hematology/Oncology (IL); Practitioner - Internal Medicine (IL) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 96 · 183 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $12,980 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Des Moines University of Osteopathic Medicine and Health Sciences |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hematology/Oncology |
Medical group
- Foundation for Outreach ServicesChicago, IL · 37 clinicians
Industry payments (Open Payments)
- 2025$807.74 · 9 payments from 7 companies
- 2024$498.38 · 9 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $234.97 | 2 |
| Incyte Corporation | $215.77 | 2 |
| Janssen Scientific Affairs, LLC | $141.21 | 1 |
| Syndax Pharmaceuticals, Inc. | $98.64 | 1 |
| Novartis Pharmaceuticals Corporation | $63.57 | 1 |
What the 2025 payments were for
- Food and Beverage$621.80 · 7 payments
- Education$185.94 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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