Quick answers
- Which hospitals does George Osai work at?
- Medicare's official clinician data lists George Osai at 3 hospitals: Guttenberg Municipal Hospital, MercyOne Dubuque Medical Center and MercyOne Dyersville Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does George Osai see patients?
- Medicare's clinician data lists 1 practice location in Guttenberg, IA. Call before your visit to confirm the address.
- What is George Osai's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does George Osai accept Medicare assignment?
- Yes. Medicare's clinician data says George Osai 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 George Osai's NPI number?
- 1235617366. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where George Osai works
Medicare's Facility Affiliation Data lists George Osai at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Guttenberg Municipal HospitalGuttenberg, IA · Critical Access Hospital · CCN 161312
- MercyOne Dubuque Medical CenterDubuque, IA · Acute Care Hospital · CCN 160069
- MercyOne Dyersville Medical CenterDyersville, IA · Critical Access Hospital · CCN 161378
Practice locations
Addresses where George Osai is enrolled with Medicare (CMS data updated 2026-10-02).
- 200 Main StGuttenberg, IA 52052
Group practices
Medicare enrollment lists George Osai as a member of this group (CMS data updated 2026-10-02).
- Guttenberg Municipal Hospital24 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Guttenberg
Clinicians with the same Medicare primary specialty in Guttenberg, IA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235617366 |
| 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