Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Cardiovascular Disease (Cardiology)

Radu Hagau, MD

Works at hospitals in Hampton, IA · Belmond, IA · Clarion, IA … · Iowa

Summary

Radu Hagau, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 5 hospitals in Hampton, IA, Belmond, IA and Clarion, IA and other places. NPI 1073742144. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Radu Hagau, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
20Years since medical school (graduated 2006)
MaleGender (as listed)
North Iowa Mercy ClinicsGroup practice (+1 more)

Quick answers

Which hospitals does Radu Hagau work at?
Medicare's official clinician data lists Radu Hagau at 5 hospitals: Franklin General Hospital, Iowa Specialty Hospital - Belmond, Iowa Specialty Hospital - Clarion, Mercy Medical Center-New Hampton and MercyOne North Iowa Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Radu Hagau see patients?
Medicare's clinician data lists 11 practice locations, including Mason City, IA, Clarion, IA and Algona, IA. Call before your visit to confirm the address.
What is Radu Hagau's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
Does Radu Hagau accept Medicare assignment?
Yes. Medicare's clinician data says Radu Hagau 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 Radu Hagau?
(515) 532-1281, as listed in official Medicare / NPI Registry data.
What is Radu Hagau's NPI number?
1073742144. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Radu Hagau works

Medicare's Facility Affiliation Data lists Radu Hagau at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Radu Hagau is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 11; the Medicare profile lists all.

  • 1000 4th St SWMason City, IA 50401
  • 1316 S Main St, Iowa Specialty HospitalClarion, IA 50525 (515) 532‑1281
  • 1515 S Phillips St, Kossuth Regional Health CenterAlgona, IA 50511 (515) 295‑2451
  • 1720 Central Ave E, Franklin General HospitalHampton, IA 50441 (641) 456‑5000
  • 250 S Crescent DrMason City, IA 50401

Group practices

Medicare enrollment lists Radu Hagau as a member of these groups (CMS data updated 2026-10-02).

  • North Iowa Mercy Clinics302 clinicians in the group
  • Mercy Medical Center New Hampton20 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Iowa →

Other cardiologists in Mason City

Clinicians with the same Medicare primary specialty in Mason City, IA — not a recommendation.

All cardiologists in Mason City →

Clinician information

CredentialMD
Graduation year2006
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1073742144
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians