William J. Witcik, M.D,
NPI 1619956547ActiveIndividual· Internal Medicine, Cardiovascular Disease· Davenport, IA
Internal Medicine, Cardiovascular Disease (M.D,) in Davenport, Iowa, trained at University of North Dakota School of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $1,326,386 for 10,607 claims, against $340,387 paid for services in 2024. Shockwave Medical, Inc was the largest of 3 companies reporting payments in 2025, $153.25 in all, mostly food and beverage.
Overview
| NPI | 1619956547 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D, |
| Sole proprietor | No |
| NPI issued | Jan 10, 2006 |
| Last updated in NPPES | Feb 11, 2021 |
| Certified by provider | Feb 11, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | MD-29219 | 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 - Cardiovascular Disease (Cardiology) (IA); Practitioner - Interventional Cardiology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,887 |
|---|---|
| Services billed | 6,031 across 77 procedure codes |
| Paid by Medicare | $340,387 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,607 · 25,756 30-day fills |
|---|---|
| Patients | 1,268 |
| Total drug cost | $1,326,386 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of North Dakota School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- Genesis Health SystemDe Witt, IA · 224 clinicians
- Cardiovascular Medicine PLLCMoline, IL · 50 clinicians
Hospital affiliations
- Genesis Hlth System DBA Genesis Mdl Ctr-IlliniSilvis, IL
- Genesis Medical Center-DavenportDavenport, IA
- Hammond Henry HospitalGeneseo, IL
- Mercyone Clinton Medical CenterClinton, IA
- Mercyone Genesis Dewitt Medical CenterDewitt, IA
Industry payments (Open Payments)
- 2025$153.25 · 7 payments from 3 companies
- 2024$157.30 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Shockwave Medical, Inc | $75.63 | 2 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $49.69 | 4 |
| Abbott Laboratories | $27.93 | 1 |
What the 2025 payments were for
- Food and Beverage$153.25 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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