Dr. Jon A. Arnason, MD
Rheumatology (Rheumatology Physician)
- Medicare participating
At a glance
- Years since graduation
- 39
- In the NPI registry since
- 2009
- 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
- 2009Registered 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
-
Rheumatology Physician primary
WI license 33052
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- University of Wi Hospitals & Clinics Authority Madison, WI
- Unitypoint Health - Meriter Madison, WI
- Uw Health Rockford, IL
- Richland Hospital Richland Center, WI
Medical groups
- University of Wisconsin Medical Foundation Inc (2,553 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
- 1,175
- Patients’ average age
- 71
| Service | Times | Patients |
|---|---|---|
| Established patient office or other outpatient visit, 20-29 minutes | 455 | 289 |
| Established patient office or other outpatient visit, 30-39 minutes | 81 | 63 |
| Insertion of needle into vein for collection of blood sample | 81 | 53 |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 56 | 37 |
| Aspiration and/or injection of fluid large joint using ultrasound guidance | 52 | 36 |
| New patient office or other outpatient visit, 45-59 minutes | 33 | 33 |
| Complete ultrasound scan of joint | 21 | 19 |
| Established patient office or other outpatient visit, 10-19 minutes | 17 | 12 |
| Aspiration and/or injection of fluid from medium joint using ultrasound guidance | 16 | 11 |
| Measurement c-reactive protein for detection of infection or inflammation | 15 | 12 |
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 |
|---|---|
| Methotrexate (methotrexate sodium) Other prescribers in Madison, WI | 611 |
| Hydroxychloroquine Sulfate Other prescribers in Madison, WI | 473 |
| Prednisone Other prescribers in Madison, WI | 472 |
| Colchicine Other prescribers in Madison, WI | 201 |
| Humira(Cf) Pen (adalimumab) Other prescribers in Madison, WI | 91 |
| Leflunomide Other prescribers in Madison, WI | 91 |
| Mycophenolate Mofetil Other prescribers in Madison, WI | 90 |
| Nabumetone Other prescribers in Madison, WI | 89 |
| Azathioprine Other prescribers in Madison, WI | 77 |
| Folic Acid Other prescribers in Madison, WI | 70 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.