Quick answers
- Does Jantina R. Vonk accept Medicare assignment?
- Medicare's clinician data says Jantina R. Vonk may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Jantina R. Vonk see?
- In 2024, CMS data shows 13 Original Medicare patients and 53 services for Jantina R. Vonk. This counts Original Medicare only and measures volume, not quality.
- What is Jantina R. Vonk's NPI number?
- 1396798914. 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 Jantina R. Vonk, 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 | 13 |
|---|---|
| Services billed to Medicare | 53 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 52 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)15 services
Practice locations
Addresses where Jantina R. Vonk is enrolled with Medicare (CMS data updated October 2, 2026).
- 6302 Odana Rd, Suite 302Madison, WI 53719
- PO Box, Suite 1649Janesville, WI 53547
Specialties
- Psychiatryprimary
Other psychiatrists in Madison
Clinicians with the same Medicare primary specialty in Madison, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Michigan State University College Of Human Medicine |
| Graduation year | 1992 (34 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1396798914 |
| 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