Quick answers
- Which hospitals does Tyler C. Gillen work at?
- Medicare's official clinician data lists Tyler C. Gillen at 2 hospitals: Avera McKennan Hospital & University Health Center and Avera Sacred Heart Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Tyler C. Gillen see patients?
- Medicare's clinician data lists 3 practice locations, including Sioux Falls, SD and Miller, SD. Call before your visit to confirm the address.
- What is Tyler C. Gillen's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Tyler C. Gillen accept Medicare assignment?
- Yes. Medicare's clinician data says Tyler C. Gillen 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 Tyler C. Gillen?
- (605) 322-4878, as listed in official Medicare / NPI Registry data.
- What is Tyler C. Gillen's NPI number?
- 1447678891. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Tyler C. Gillen works
Medicare's Facility Affiliation Data lists Tyler C. Gillen 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 Sacred Heart HospitalYankton, SD · Acute Care Hospital · CCN 430012
Practice locations
Addresses where Tyler C. Gillen is enrolled with Medicare (CMS data updated 2026-10-02).
- 1325 S Cliff AveSioux Falls, SD 57105
- 1325 S Cliff Ave, RadiologySioux Falls, SD 57105 (605) 322‑4878
- 300 W 5th StMiller, SD 57362 (605) 853‑0158
Group practices
Medicare enrollment lists Tyler C. Gillen as a member of this group (CMS data updated 2026-10-02).
- Avera McKennan959 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Sioux Falls
Clinicians with the same Medicare primary specialty in Sioux Falls, SD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Sanford School Of Medicine Of University Of South Dakota |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447678891 |
| 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