Quick answers
- Does Theresa A. Petersen accept Medicare assignment?
- Yes. Medicare's clinician data says Theresa A. Petersen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Theresa A. Petersen's NPI number?
- 1649601287. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Theresa A. Petersen is enrolled with Medicare (CMS data updated October 2, 2026).
- 300 N 2nd StO'Neill, NE 68763 (402) 336‑2611
- 513 3rd St SWWagner, SD 57380 (605) 384‑3418
- PO Box, Suite 270Oneill, NE 68763
Group practices
Medicare enrollment lists Theresa A. Petersen as a member of these groups (CMS data updated October 2, 2026).
- Avera St Anthonys Hospital23 clinicians in the group
- Wagner Community Memorial Hospital16 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Nebraska
Clinicians with the same Medicare primary specialty in Nebraska — not a recommendation.
Other clinicians in Avera St Anthonys Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2012 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649601287 |
| 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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