Natalie Reizine, M.D.
NPI 1194106724ActiveIndividual· Internal Medicine, Medical Oncology· Chicago, IL
Internal Medicine, Medical Oncology (M.D.) in Chicago, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $1,588,621 for 560 claims, against $19,127 paid for services in 2024. Emd Serono, Inc. was the largest of 7 companies reporting payments in 2025, $2,576 in all, mostly consulting fees.
Overview
| NPI | 1194106724 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 9, 2015 |
| Last updated in NPPES | Mar 14, 2025 |
| Certified by provider | Mar 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 036146006 | IL |
| Internal Medicine | 207R00000X | 036146006 | 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 - Medical Oncology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 59 |
|---|---|
| Services billed | 218 across 12 procedure codes |
| Paid by Medicare | $19,127 |
Part D prescriptions in 2024
| Prescriptions (claims) | 560 · 653 30-day fills |
|---|---|
| Patients | 60 |
| Total drug cost | $1,588,621 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- The Board of Trustees of the University of IllinoisChicago, IL · 1,150 clinicians
Hospital affiliation
- University of Illinois Hospital and ClinicsChicago, IL
Industry payments (Open Payments)
- 2025$2,576 · 12 payments from 7 companies
- 2024$34,873 · 48 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Emd Serono, Inc. | $1,020 | 1 |
| Janssen Scientific Affairs, LLC | $982.35 | 2 |
| Aveo Pharmaceuticals, Inc. | $190.29 | 2 |
| Exelixis Inc. | $153.31 | 2 |
| Tempus Ai, Inc | $120.22 | 2 |
What the 2025 payments were for
- Consulting Fee$1,898 · 2 payments
- Food and Beverage$592.47 · 8 payments
- Education$67.00 · 1 payment
- Entertainment$19.02 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other medical oncologists in Chicago
- 1013273614
- 1053999599
- 1134205081
- 1134448665
- 1164650859
- 1205862653
- 1215184577
- 1245217611
- 1265689889
- 1265696348
- 1306870837
- 1306873211
All 88 medical oncologists in Chicago · All medical oncologists in Illinois