Jon A. Arnason, MD
Rheumatology Physician · Madison, WI
Jon A. Arnason, MD is a rheumatology physician with a practice address in Madison, Wisconsin, and NPI 1265760433, issued on Nov 30, 2009. Check the license (Wisconsin 33052, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jon A. Arnason
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 33052 WI
Self-reported in NPPES; status is on the state search - Practice location
- 451 Junction RD, Madison, WI 53717
- Phone
- (608) 263-7577
- Enumerated
- Nov 30, 2009
- Record last updated
- Feb 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (608) 262-3735
- Medicare enrollment
- Enrolled (PECOS I20100202000016); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 154 in Wisconsin → Look up another NPI →
Also registered at 451 Junction RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Natalie Albino, AGNPNurse Practitioner1568238095
- Nicole Amass, NPNurse Practitioner1992769509
- Christopher Anderson, MDInternal Medicine Physician1245869973
- India Anderson-CarterObstetrics & Gynecology Physician1750910667
- William Aughenbaugh, MDDermatology Physician1033178272
- Ann Baggot, NPNurse Practitioner1326017245
Verify Jon A. Arnason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 33052Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% more Medicare Part D claims than the average rheumatology physician in 2024
3,215 Medicare Part D claims for 431 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 81 claims were for opioids.
Most prescribed
- Methotrexate611 claims
- Hydroxychloroquine Sulfate473 claims
- Prednisone472 claims
- Colchicine201 claims
- Humira(Cf) Pen91 claims
- Leflunomide91 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- University OF Wisconsin Medical Foundation IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jon A. Arnason among 154 rheumatology physician records in Wisconsin
Jon A. Arnason, MD is one of 154 rheumatology physician records with a practice address in Wisconsin. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 66% of them.
- NPI issued2009 · 66% of these records are older, 29% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1987 · median 2004 among the 97 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Wisconsin
There are 154 rheumatology physician records in Wisconsin.
All 154 in Wisconsin → Every provider in Madison → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Christie Bartels, M.D.Madison, WI 537171093770422
- Carolyn Bell, MDMadison, WI 537171609843226
- Carmen Campbell, M.D.Madison, WI 537171124252887
- Ann ChodaraMadison, WI 537171578959870
- Sarah Maria Donohue, M.D.Madison, WI 537171730614520
- Julie Hildebrand, M.D.Madison, WI 537171902868276
- Susan Hylland, MDMadison, WI 537171396711339
- Fardina Malik, M. D.Madison, WI 537171053556928
Common questions
What is Jon A. Arnason, MD's NPI number?
Jon A. Arnason, MD's National Provider Identifier (NPI) is 1265760433, issued on Nov 30, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Jon A. Arnason, MD located?
The NPPES record lists a practice address at 451 Junction RD, Madison, WI, 53717. Phone: (608) 263-7577. Providers update this record themselves, so call before visiting.
How can I verify Jon A. Arnason, MD's license?
NPPES lists Wisconsin license number 33052, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jon A. Arnason, MD prescribe under Medicare Part D?
In 2024, Jon A. Arnason, MD had 3,215 Medicare Part D claims for 431 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.