Quick answers
- Does Tanya L. Giese accept Medicare assignment?
- Medicare's clinician data says Tanya L. Giese may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Tanya L. Giese see?
- In 2024, CMS data shows 227 Original Medicare patients and 1,787 services for Tanya L. Giese. This counts Original Medicare only and measures volume, not quality.
- What is Tanya L. Giese's NPI number?
- 1548997240. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Tanya L. Giese, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 227 |
|---|---|
| Services billed to Medicare | 1,787 |
| Different services or procedures | 71 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)186 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)177 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)52 services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)50 services
- Screening 3d breast mammography (77063)29 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol59%
- Arthritis47%
- Depression33%
- Anxiety31%
- Diabetes27%
Hospitals where Tanya L. Giese works
Medicare's Facility Affiliation Data lists Tanya L. Giese at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- CHI St Alexius Health WillistonWilliston, ND · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 351334
- McKenzie County Healthcare Systems IncWatford City, ND · Critical Access Hospital · Emergency services: listed by Medicare · CCN 351302
- Sidney Health CenterSidney, MT · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 271344
- Trinity HospitalsMinot, ND · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 350006
Practice locations
Addresses where Tanya L. Giese is enrolled with Medicare (CMS data updated October 2, 2026).
- PO Box, Suite 5074Sioux Falls, SD 57117
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Sioux Falls
Clinicians with the same Medicare primary specialty in Sioux Falls, SD — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1548997240 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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