Nada L. Sherman, MD
NPI 1922085281ActiveIndividual· Internal Medicine, Medical Oncology· Oak Lawn, IL
Internal Medicine, Medical Oncology (MD) in Oak Lawn, Illinois, trained at Southern Illinois University School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $284,393 for 135 claims, against $11,196 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 6 companies reporting payments in 2025, $292.82 in all, mostly food and beverage.
Overview
| NPI | 1922085281 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 28, 2005 |
| Last updated in NPPES | Apr 30, 2021 |
| Certified by provider | Apr 30, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 036105203 | IL |
| Internal Medicine | 207R00000X | 036-105203 | 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 | 65 |
|---|---|
| Services billed | 145 across 12 procedure codes |
| Paid by Medicare | $11,196 |
Part D prescriptions in 2024
| Prescriptions (claims) | 135 · 205 30-day fills |
|---|---|
| Patients | 34 |
| Total drug cost | $284,393 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Southern Illinois University School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
Medical group
- Cook CountyChicago, IL · 788 clinicians
Hospital affiliation
- John H Stroger Jr HospitalChicago, IL
Industry payments (Open Payments)
- 2025$292.82 · 8 payments from 6 companies
- 2024$44.69 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $96.13 | 1 |
| Springworks Therapeutics, Inc. | $72.41 | 2 |
| Pfizer Inc. | $59.80 | 2 |
| Genzyme Corporation | $32.42 | 1 |
| Astrazeneca Pharmaceuticals LP | $17.62 | 1 |
What the 2025 payments were for
- Food and Beverage$292.82 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other medical oncologists in Oak Lawn
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- 1407856073