Quick answers
- Which hospitals does John B. Pflugi work at?
- Medicare's official clinician data lists John B. Pflugi at 5 hospitals: Franklin General Hospital, Hancock County Health System, MercyOne North Iowa Medical Center, Mitchell County Regional Health and Van Diest Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John B. Pflugi see patients?
- Medicare's clinician data lists 1 practice location in Mason City, IA. Call before your visit to confirm the address.
- What is John B. Pflugi's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does John B. Pflugi accept Medicare assignment?
- Yes. Medicare's clinician data says John B. Pflugi 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 John B. Pflugi's NPI number?
- 1790179331. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John B. Pflugi works
Medicare's Facility Affiliation Data lists John B. Pflugi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Franklin General HospitalHampton, IA · Critical Access Hospital · CCN 161308
- Hancock County Health SystemBritt, IA · Critical Access Hospital · CCN 161307
- MercyOne North Iowa Medical CenterMason City, IA · Acute Care Hospital · CCN 160064
- Mitchell County Regional HealthOsage, IA · Critical Access Hospital · CCN 161323
- Van Diest Medical CenterWebster City, IA · Critical Access Hospital · CCN 161361
Practice locations
Addresses where John B. Pflugi is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 4th St SWMason City, IA 50401
Group practices
Medicare enrollment lists John B. Pflugi as a member of this group (CMS data updated 2026-10-02).
- North Iowa Mercy Clinics302 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Mason City
Clinicians with the same Medicare primary specialty in Mason City, IA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790179331 |
| 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