Quick answers
- Which hospitals does Jonathan C. Olegario work at?
- Medicare's official clinician data lists Jonathan C. Olegario at 5 hospitals: Avera McKennan Hospital & University Health Center, Avera Queen of Peace, Avera Weskota Memorial Medical Center - CAH, Platte Health Center and Sanford Usd Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jonathan C. Olegario see patients?
- Medicare's clinician data lists 3 practice locations, including Mitchell, SD. Call before your visit to confirm the address.
- What is Jonathan C. Olegario's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Jonathan C. Olegario accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan C. Olegario 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 Jonathan C. Olegario?
- (605) 995-7000, as listed in official Medicare / NPI Registry data.
- What is Jonathan C. Olegario's NPI number?
- 1376532697. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jonathan C. Olegario works
Medicare's Facility Affiliation Data lists Jonathan C. Olegario at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Avera McKennan Hospital & University Health CenterSioux Falls, SD · Acute Care Hospital · CCN 430016
- Avera Queen of PeaceMitchell, SD · Critical Access Hospital · CCN 431340
- Avera Weskota Memorial Medical Center - CAHWessington Springs, SD · Critical Access Hospital · CCN 431324
- Platte Health CenterPlatte, SD · Critical Access Hospital · CCN 431306
- Sanford Usd Medical CenterSioux Falls, SD · Acute Care Hospital · CCN 430027
Practice locations
Addresses where Jonathan C. Olegario is enrolled with Medicare (CMS data updated 2026-10-02).
- 1900 Grassland Dr, Suite 103Mitchell, SD 57301 (605) 995‑7000
- 525 N Foster StMitchell, SD 57301
- 525 N Foster St, Hospital DeptMitchell, SD 57301 (605) 995‑2000
Group practices
Medicare enrollment lists Jonathan C. Olegario as a member of these groups (CMS data updated 2026-10-02).
- Rural Health Care Inc154 clinicians in the group
- Avera Queen of Peace122 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Mitchell
Clinicians with the same Medicare primary specialty in Mitchell, SD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376532697 |
| 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