Quick answers
- Does Kristin R. Witzenburg accept Medicare assignment?
- Yes. Medicare's clinician data says Kristin R. Witzenburg 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.
- How many Medicare patients does Kristin R. Witzenburg see?
- In 2024, CMS data shows 142 Original Medicare patients and 320 services for Kristin R. Witzenburg. This counts Original Medicare only and measures volume, not quality.
- What is Kristin R. Witzenburg's NPI number?
- 1306260682. 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 Kristin R. Witzenburg, 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 | 142 |
|---|---|
| Services billed to Medicare | 320 |
| Different services or procedures | 57 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)95 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)31 services
- Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza (87428)24 services
- Automated urinalysis test (81003)19 services
- Insertion of needle into vein for collection of blood sample (36415)18 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 cholesterol74%
- High blood pressure68%
- Arthritis50%
- Anxiety26%
- Diabetes24%
- Ischemic heart disease23%
Practice locations
Addresses where Kristin R. Witzenburg is enrolled with Medicare (CMS data updated October 2, 2026).
- 1005 Pennsylvania Ave, Suite 102aOttumwa, IA 52501 (641) 684‑2589
- 1410 SW Tradition DrAnkeny, IA 50023
- 5950 University AveWest Des Moines, IA 50266 (515) 875‑9100
Group practices
Medicare enrollment lists Kristin R. Witzenburg as a member of this group (CMS data updated October 2, 2026).
- The Iowa Clinic PC310 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Ottumwa
Clinicians with the same Medicare primary specialty in Ottumwa, IA — not a recommendation.
Other clinicians in The Iowa Clinic PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2013 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306260682 |
| 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
- 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