Quick answers
- Which hospitals does Gardar Sigurdsson work at?
- Medicare's official clinician data lists Gardar Sigurdsson at 5 hospitals: Davis County Hospital, Knoxville Hospital & Clinics, MercyOne Des Moines Medical Center, MercyOne Newton Medical Center and Pella Regional Health Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gardar Sigurdsson see patients?
- Medicare's clinician data lists 19 practice locations, including Centerville, IA, Knoxville, IA and Ottumwa, IA. Call before your visit to confirm the address.
- What is Gardar Sigurdsson's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does Gardar Sigurdsson accept Medicare assignment?
- Yes. Medicare's clinician data says Gardar Sigurdsson 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.
- Does Gardar Sigurdsson offer telehealth?
- Medicare's clinician data says Gardar Sigurdsson offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gardar Sigurdsson?
- (641) 437-3411, as listed in official Medicare / NPI Registry data.
- What is Gardar Sigurdsson's NPI number?
- 1043310881. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gardar Sigurdsson works
Medicare's Facility Affiliation Data lists Gardar Sigurdsson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Davis County HospitalBloomfield, IA · Critical Access Hospital · CCN 161327
- Knoxville Hospital & ClinicsKnoxville, IA · Critical Access Hospital · CCN 161355
- MercyOne Des Moines Medical CenterDes Moines, IA · Acute Care Hospital · CCN 160083
- MercyOne Newton Medical CenterNewton, IA · Acute Care Hospital · CCN 160032
- Pella Regional Health CenterPella, IA · Critical Access Hospital · CCN 161367
Practice locations
Addresses where Gardar Sigurdsson is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 19; the Medicare profile lists all.
- 1 Saint Joseph DrCenterville, IA 52544 (641) 437‑3411
- 1002 S Lincoln StKnoxville, IA 50138 (641) 842‑2151
- 1005 Pennsylvania Ave, Suite 207Ottumwa, IA 52501 (641) 682‑5349
- 1015 Union StBoone, IA 50036 (515) 433‑8481
- 1301 W Main StLake City, IA 51449 (712) 464‑3171
Group practices
Medicare enrollment lists Gardar Sigurdsson as a member of these groups (CMS data updated 2026-10-02).
- Broadlawns Medical Center306 clinicians in the group
- Catholic Health Initiatives-Iowa Corp113 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Iowa →
Other cardiologists in Centerville
Clinicians with the same Medicare primary specialty in Centerville, IA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1043310881 |
| 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