Quick answers
- Which hospitals does David J. Ermer work at?
- Medicare's official clinician data lists David J. Ermer at 1 hospital: Avera McKennan Hospital & University Health Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David J. Ermer see patients?
- Medicare's clinician data lists 3 practice locations, including Sioux Falls, SD and Fargo, ND. Call before your visit to confirm the address.
- What is David J. Ermer's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does David J. Ermer accept Medicare assignment?
- Medicare's clinician data says David J. Ermer may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is David J. Ermer's NPI number?
- 1205881331. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David J. Ermer works
Medicare's Facility Affiliation Data lists David J. Ermer 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
Practice locations
Addresses where David J. Ermer is enrolled with Medicare (CMS data updated 2026-10-02).
- PO BoxSioux Falls, SD 57118
- PO Box, Suite 2010Fargo, ND 58122
- PO Box, Suite 5074Sioux Falls, SD 57117
Specialties
- Psychiatryprimary
Other psychiatrists in Sioux Falls
Clinicians with the same Medicare primary specialty in Sioux Falls, SD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Nebraska College Of Medicine |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1205881331 |
| 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