Quick answers
- Which hospitals does Richard E. Rattay work at?
- Medicare's official clinician data lists Richard E. Rattay at 5 hospitals: Franklin General Hospital, Kossuth Regional Health Center, MercyOne North Iowa Medical Center, Mitchell County Regional Health and Regional Health Services of Howard County. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Richard E. Rattay see patients?
- Medicare's clinician data lists 9 practice locations, including Mason City, IA, Cresco, IA and Osage, IA. Call before your visit to confirm the address.
- What is Richard E. Rattay's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Richard E. Rattay accept Medicare assignment?
- Yes. Medicare's clinician data says Richard E. Rattay 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 E. Rattay?
- (583) 547-2101, as listed in official Medicare / NPI Registry data.
- What is Richard E. Rattay's NPI number?
- 1295737484. 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 E. Rattay works
Medicare's Facility Affiliation Data lists Richard E. Rattay 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
- Kossuth Regional Health CenterAlgona, IA · Critical Access Hospital · CCN 161353
- MercyOne North Iowa Medical CenterMason City, IA · Acute Care Hospital · CCN 160064
- Mitchell County Regional HealthOsage, IA · Critical Access Hospital · CCN 161323
- Regional Health Services of Howard CountyCresco, IA · Critical Access Hospital · CCN 161328
Practice locations
Addresses where Richard E. Rattay is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 1000 4th St SWMason City, IA 50401
- 1010 4th St SWMason City, IA 50401
- 235 8th Ave W, Regional Health Services of Howard CountyCresco, IA 52136 (583) 547‑2101
- 250 S Crescent DrMason City, IA 50401
- 321 8th Ave WCresco, IA 52136 (563) 547‑2021
Group practices
Medicare enrollment lists Richard E. Rattay as a member of these groups (CMS data updated 2026-10-02).
- North Iowa Mercy Clinics302 clinicians in the group
- Regional Health Services of Howard County28 clinicians in the group
- Mitchell County Memorial Hospital26 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Mason City
Clinicians with the same Medicare primary specialty in Mason City, IA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Iowa, Rj & L Carver College Of Medicine |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295737484 |
| 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