Quick answers
- Which hospitals does Richard H. Marcus work at?
- Medicare's official clinician data lists Richard H. Marcus at 1 hospital: MercyOne Des Moines Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Richard H. Marcus see patients?
- Medicare's clinician data lists 7 practice locations, including Ottumwa, IA, West Des Moines, IA and Ames, IA. Call before your visit to confirm the address.
- What is Richard H. Marcus's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Richard H. Marcus accept Medicare assignment?
- Yes. Medicare's clinician data says Richard H. Marcus 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 Richard H. Marcus?
- (641) 682-5349, as listed in official Medicare / NPI Registry data.
- What is Richard H. Marcus's NPI number?
- 1023090057. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Richard H. Marcus works
Medicare's Facility Affiliation Data lists Richard H. Marcus at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MercyOne Des Moines Medical CenterDes Moines, IA · Acute Care Hospital · CCN 160083
Practice locations
Addresses where Richard H. Marcus is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1005 Pennsylvania Ave, Suite 207Ottumwa, IA 52501 (641) 682‑5349
- 1755 59th PlWest Des Moines, IA 50266 (515) 358‑8000
- 1816 Philadelphia StAmes, IA 50010 (515) 232‑2500
- 204 N 4th Ave ENewton, IA 50208 (641) 792‑1273
- 204 N 4th Ave E, Suite 131Newton, IA 50208 (641) 787‑5444
Group practices
Medicare enrollment lists Richard H. Marcus as a member of this group (CMS data updated 2026-10-02).
- Catholic Health Initiatives-Iowa Corp113 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 |
|---|---|
| Graduation year | 1976 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023090057 |
| 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