Quick answers
- Which hospitals does William J. Witcik work at?
- Medicare's official clinician data lists William J. Witcik at 5 hospitals: Genesis Hlth System dba Genesis MDL Ctr-Illini, Genesis Medical Center-Davenport, Hammond Henry Hospital, MercyOne Clinton Medical Center and MercyOne Genesis Dewitt Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William J. Witcik see patients?
- Medicare's clinician data lists 6 practice locations, including De Witt, IA, Davenport, IA and Geneseo, IL. Call before your visit to confirm the address.
- What is William J. Witcik's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does William J. Witcik accept Medicare assignment?
- Yes. Medicare's clinician data says William J. Witcik accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for William J. Witcik?
- (563) 242-7522, as listed in official Medicare / NPI Registry data.
- What is William J. Witcik's NPI number?
- 1619956547. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William J. Witcik works
Medicare's Facility Affiliation Data lists William J. Witcik at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Genesis Hlth System dba Genesis MDL Ctr-IlliniSilvis, IL · Acute Care Hospital · CCN 140275
- Genesis Medical Center-DavenportDavenport, IA · Acute Care Hospital · CCN 160033
- Hammond Henry HospitalGeneseo, IL · Critical Access Hospital · CCN 141319
- MercyOne Clinton Medical CenterClinton, IA · Acute Care Hospital · CCN 160080
- MercyOne Genesis Dewitt Medical CenterDewitt, IA · Critical Access Hospital · CCN 161313
Practice locations
Addresses where William J. Witcik is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1118 11th StDe Witt, IA 52742 (563) 242‑7522
- 1227 E Rusholme StDavenport, IA 52803
- 1227 E Rusholme St, Mercyone Genesis Davenport PathologDavenport, IA 52803 (563) 421‑6610
- 1236 E Rusholme St, Suite 300Davenport, IA 52803 (563) 324‑2992
- 1401 W Central Park Ave, Mercyone Genesis Davenport West MedDavenport, IA 52804
Group practices
Medicare enrollment lists William J. Witcik as a member of these groups (CMS data updated 2026-10-02).
- Genesis Health System224 clinicians in the group
- Cardiovascular Medicine PLLC50 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Iowa →
Other cardiologists in Iowa
Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of North Dakota School Of Medicine |
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619956547 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians