Mark W. Karwal, MD
NPI 1891770616ActiveIndividual· Internal Medicine, Hematology & Oncology· Iowa City, IA
Internal Medicine, Hematology & Oncology (MD) in Iowa City, Iowa, trained at University of Iowa, Rj & L Carver College of Medicine (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $2,870,310 for 925 claims, against $57,760 paid for services in 2024. Astrazeneca Pharmaceuticals LP reported $525.00 in payments in 2024, mostly consulting fees.
Overview
| NPI | 1891770616 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 14, 2005 |
| Last updated in NPPES | May 4, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 24911 | IA |
| Internal Medicine | 207R00000X | 24911 | IA |
| Internal Medicine, Medical Oncology | 207RX0202X | 24911 | IA |
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 (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 422 |
|---|---|
| Services billed | 903 across 14 procedure codes |
| Paid by Medicare | $57,760 |
Part D prescriptions in 2024
| Prescriptions (claims) | 925 · 1,673 30-day fills |
|---|---|
| Patients | 220 |
| Total drug cost | $2,870,310 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Hematology |
| Secondary specialties | Hematology/Oncology, Internal Medicine |
Medical group
- State University of IowaCoralville, IA · 1,897 clinicians
Hospital affiliations
- University of Iowa Health Care Medical Center DownIowa City, IA
- University of Iowa Hospital & ClinicsIowa City, IA
Industry payments (Open Payments)
- 2024$525.00 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $525.00 | 1 |
What the 2024 payments were for
- Consulting Fee$525.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 43 hematologist-oncologists in Iowa City · All hematologist-oncologists in Iowa