Quick answers
- Which hospitals does Marnix A. Verhofste work at?
- Medicare's official clinician data lists Marnix A. Verhofste at 5 hospitals: Mary Greeley Medical Center, MercyOne Des Moines Medical Center, MercyOne Newton Medical Center, St Anthony Regional Hospital & Nursing Home and UnityPoint Health - Marshalltown. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marnix A. Verhofste see patients?
- Medicare's clinician data lists 4 practice locations, including Ames, IA and Des Moines, IA. Call before your visit to confirm the address.
- What is Marnix A. Verhofste's specialty?
- Medicare lists Thoracic Surgery as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Marnix A. Verhofste accept Medicare assignment?
- Yes. Medicare's clinician data says Marnix A. Verhofste 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 Marnix A. Verhofste?
- (515) 232-2500, as listed in official Medicare / NPI Registry data.
- What is Marnix A. Verhofste's NPI number?
- 1821070657. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marnix A. Verhofste works
Medicare's Facility Affiliation Data lists Marnix A. Verhofste at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mary Greeley Medical CenterAmes, IA · Acute Care Hospital · CCN 160030
- MercyOne Des Moines Medical CenterDes Moines, IA · Acute Care Hospital · CCN 160083
- MercyOne Newton Medical CenterNewton, IA · Acute Care Hospital · CCN 160032
- St Anthony Regional Hospital & Nursing HomeCarroll, IA · Critical Access Hospital · CCN 161382
- UnityPoint Health - MarshalltownMarshalltown, IA · Acute Care Hospital · CCN 160001
Practice locations
Addresses where Marnix A. Verhofste is enrolled with Medicare (CMS data updated 2026-10-02).
- 1816 Philadelphia StAmes, IA 50010 (515) 232‑2500
- 411 Laurel St, Suite 1225Des Moines, IA 50314 (515) 633‑3770
- 411 Laurel St, Suite 3300Des Moines, IA 50314 (515) 235‑5000
- 411 Laurel St, Suite A250Des Moines, IA 50314 (515) 235‑5000
Group practices
Medicare enrollment lists Marnix A. Verhofste as a member of this group (CMS data updated 2026-10-02).
- Catholic Health Initiatives-Iowa Corp113 clinicians in the group
Specialties
Other thoracic surgeons in Iowa
Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821070657 |
| 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