Tabitha M. Ammann, DNP, CNP
Nurse Practitioners (Family Nurse Practitioner)
- Medicare participating
At a glance
- Years since graduation
- 12
- In the NPI registry since
- 2014
- Medicare patients seen, 2024
- 400
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2014Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Family Nurse Practitioner primary
SD license CP000891
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Avera Mckennan Hospital & University Health Center Sioux Falls, SD
- Sioux Center Health Sioux Center, IA
- Platte Health Center Platte, SD
Medical groups
- Avera Mckennan (959 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 400
- Services billed
- 631
- Patients’ average age
- 74
| Service | Times | Patients |
|---|---|---|
| Established patient office or other outpatient visit, 30-39 minutes | 342 | 285 |
| New patient office or other outpatient visit, 60-74 minutes | 71 | 71 |
| Simple measurement of pressure of urine flow in bladder | 63 | 63 |
| Electronic analysis of implanted neurostimulator generator with complex spinal cord or peripheral nerve stimulator programming | 23 | 19 |
| Electronic analysis of implanted brain, spinal cord, or peripheral neurostimulator generator | 21 | 21 |
| Irrigation of vagina and/or application of drug to treat infection | 20 | 18 |
| Fitting and insertion of vaginal support device | 20 | 20 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Myrbetriq (mirabegron) Other prescribers in Sioux Falls, SD | 124 |
| Gemtesa (vibegron) Other prescribers in Sioux Falls, SD | 83 |
| Clobetasol Propionate Other prescribers in Sioux Falls, SD | 54 |
| Cephalexin Other prescribers in Sioux Falls, SD | 53 |
| Estradiol Other prescribers in Sioux Falls, SD | 52 |
| Nitrofurantoin Mono-Macro (nitrofurantoin monohyd/m-cryst) Other prescribers in Sioux Falls, SD | 31 |
| Cefdinir Other prescribers in Sioux Falls, SD | 24 |
| Fosfomycin Tromethamine | 23 |
| Oxycodone-Acetaminophen (oxycodone hcl/acetaminophen) Other prescribers in Sioux Falls, SD | 17 |
| Linzess (linaclotide) Other prescribers in Sioux Falls, SD | 16 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 8 companies reported 38 payments worth $920 in total to this clinician.
| Medtronic, Inc. | $468 |
|---|---|
| Ardelyx, Inc. | $135 |
| Boston Scientific Corporation | $101 |
| 180 Medical, Inc. | $72.34 |
| Coloplast Corp | $61.79 |
| AbbVie Inc. | $42.16 |
| Sumitomo Pharma America, Inc. | $23.39 |
| Astellas Pharma US Inc | $15.76 |
| Food and Beverage | $920 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.