Wendy Stock
NPI 1588727093ActiveIndividual· Internal Medicine, Hematology & Oncology· Chicago, IL
Internal Medicine, Hematology & Oncology in Chicago, Illinois, trained at Rush Medical College of Rush University (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $3,566,878 for 291 claims, against $39,007 paid for services in 2024. Amgen Inc. was the largest of 4 companies reporting payments in 2025, $8,109 in all, mostly consulting fees.
Overview
| NPI | 1588727093 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Dec 18, 2006 |
| Last updated in NPPES | Oct 24, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 036075340 | 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 - Hematopoietic Cell Transplantation and Cellular Therapy (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 114 |
|---|---|
| Services billed | 453 across 14 procedure codes |
| Paid by Medicare | $39,007 |
Part D prescriptions in 2024
| Prescriptions (claims) | 291 · 319 30-day fills |
|---|---|
| Patients | 38 |
| Total drug cost | $3,566,878 |
| Generic share | 31% of claims |
Education and affiliations
| Medical school | Rush Medical College of Rush University |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Hematopoietic Cell Transplantation And Cellular Therapy |
| Secondary specialties | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- University of ChicagoChicago, IL · 1,712 clinicians
- The University of Chicago Medical CenterChicago, IL · 915 clinicians
Hospital affiliation
- The University of Chicago Medical CenterChicago, IL
Industry payments (Open Payments)
- 2025$8,109 · 6 payments from 4 companies
- 2024$5,474 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $4,044 | 3 |
| Servier Pharmaceuticals LLC | $2,040 | 1 |
| Astrazeneca Pharmaceuticals LP | $1,025 | 1 |
| Jazz Pharmaceuticals Inc. | $1,000 | 1 |
What the 2025 payments were for
- Consulting Fee$5,715 · 4 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1,650 · 1 payment
- Travel and Lodging$743.59 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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