Quick answers
- Which hospitals does Michael J. Willerth work at?
- Medicare's official clinician data lists Michael J. Willerth at 5 hospitals: Humboldt County Memorial Hospital, Iowa Specialty Hospital - Belmond, Loring Hospital, Pocahontas Community Hospital and Trinity Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael J. Willerth see patients?
- Medicare's clinician data lists 2 practice locations, including Belmond, IA and Fort Dodge, IA. Call before your visit to confirm the address.
- What is Michael J. Willerth's specialty?
- Medicare lists Vascular Surgery as the primary specialty, and also General Surgery.
- Does Michael J. Willerth accept Medicare assignment?
- Yes. Medicare's clinician data says Michael J. Willerth 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 Michael J. Willerth?
- (641) 444-3500, as listed in official Medicare / NPI Registry data.
- What is Michael J. Willerth's NPI number?
- 1316919202. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael J. Willerth works
Medicare's Facility Affiliation Data lists Michael J. Willerth at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Humboldt County Memorial HospitalHumboldt, IA · Critical Access Hospital · CCN 161334
- Iowa Specialty Hospital - BelmondBelmond, IA · Critical Access Hospital · CCN 161301
- Loring HospitalSac City, IA · Critical Access Hospital · CCN 161370
- Pocahontas Community HospitalPocahontas, IA · Critical Access Hospital · CCN 161305
- Trinity Regional Medical CenterFort Dodge, IA · Acute Care Hospital · CCN 160016
Practice locations
Addresses where Michael J. Willerth is enrolled with Medicare (CMS data updated 2026-10-02).
- 403 1st St SE, Iowa Specialty Hospital BelmondBelmond, IA 50421 (641) 444‑3500
- 804 Kenyon Rd, Suite GFort Dodge, IA 50501 (515) 573‑4141
Group practices
Medicare enrollment lists Michael J. Willerth as a member of these groups (CMS data updated 2026-10-02).
- Iowa Physicians Clinic Medical Foundation1,246 clinicians in the group
- Belmond Community Hospital92 clinicians in the group
Specialties
- Vascular Surgeryprimary
- General Surgeryalso
Other vascular surgeons in Iowa
Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316919202 |
| 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