Dr. Jon A. Arnason, MD

  • Madison, WI
  • Rheumatologist
NPI1265760433PAC ID8628111580
Medicare services, 2024
1,074
Medicare patients, 2024
400
Part D claims, 2024
3,215
Publications
11
Clinical trials
1
Practice address
600 Highland Ave, Madison, WI 53792
Practice phone
Call (608) 265-1978
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

University Health Services - Madison (Highland Ave)

College / University Student Health · Madison, Wisconsin

See all 8 affiliations

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Dr. Jon A. Arnason is a rheumatologist in Madison, Wisconsin

Dr. Arnason practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin.

Dr. Arnason's NPI, 1265760433, was assigned on November 30, 2009. Dr. Arnason graduated from University of Iceland in 1987. Dr. Arnason's Wisconsin license number on file is 33052.

NPI and contact details
Medicare PAC ID
8628111580
NPI enumeration date
November 30, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(608) 265-1978
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
65
Medical school graduation
1987

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Jon A. Arnason practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin

Dr. Arnason's primary practice is University Health Services - Madison (Highland Ave), at 600 Highland Ave, Madison, WI 53792. The practice phone is (608) 265-1978.

  • University Health Services - Madison (Highland Ave)
    600 Highland Ave, Madison, WI 53792Phone(608) 265-1978

Source: Dmand AI Affiliation Data

Dr. Jon A. Arnason is affiliated with 7 sites of care and 1 medical group

Dr. Arnason's primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. Dr. Arnason is also affiliated with University Hospital. The medical group on file is UW Health. Dmand AI also links Dr. Arnason to 4 more hospitals and 1 group practice or clinic, each named with a free account. Dr. Arnason's employer is on file too: a school & student health.

See all 8 affiliations for Dr. Arnason

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Jon A. Arnason's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Arnason practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
University Health Services - Madison (Highland Ave)Available with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Jon A. Arnason is one of 138 rheumatologists in Wisconsin

Rheumatology is Dr. Arnason's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Arnason is board certified in rheumatology by the American Board of Internal Medicine. Dr. Arnason has a license on file in Wisconsin.

Specialties and state licenses

  • Rheumatology, WisconsinPrimaryLicense 33052 · 1992 to 2025 · taxonomy 207RR0500X

Clinical focus

Dmand AI lists arteritis, arthritis, gout, joint arthropathy, joint pain, lupus, muscle disease and muscle pain, fibromyalgia, and limb pain among the conditions Dr. Arnason treats.

Rheumatologists near Dr. Arnason

Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Jon A. Arnason billed Medicare for 1,074 services in 2024

CMS data shows 1,074 Medicare services from Dr. Arnason across 10 procedure codes in 2024, for 400 Medicare patients. Medicare paid $34,742 for them. Every service was in an office.

Medicare services, 20241,074
Medicare patients400
Paid by Medicare$34,742
Procedure codes10

Dr. Arnason's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5972024: 53910%
Other services
2023: 02024: 270
Surgery
2023: 1492024: 19229%
Lab and pathology
2023: 972024: 4554%
Imaging
2023: 322024: 2813%

Dr. Arnason compared with the Wisconsin median for rheumatologists, 2024

  • Dr. Arnason
  • Wisconsin median
Medicare services
1,074vs 5142.1 times
Medicare patients
400vs 1992.0 times
Part D claims
3,105vs 1,0403.0 times

Medians across 143 rheumatologists in Wisconsin with Dmand AI profiles that report each measure.

Dr. Arnason's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Arnason

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Jon A. Arnason treated 400 Medicare patients in 2024, average age 71

CMS counts 400 Medicare patients who saw Dr. Arnason in 2024. The largest group is 65 to 74, with 192 patients. 75% of them have arthritis, and 69% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.48, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Arnason's median patient age at 67, with 65% women.

Medicare patients, 2024400
Average age71
Average risk score1.48
Also on Medicaid13%

Dr. Arnason's Medicare patients by age, 2024

Dr. Arnason's Medicare patients by sex, 2024

  • Women26366%
  • Men13734%

Chronic conditions among Dr. Arnason's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure69%
  3. High cholesterol57%
  4. Osteoporosis25%
  5. Chronic kidney disease24%
  6. Mood disorders24%
  7. Anxiety23%
  8. Depression22%

Share of Medicare patients with each condition. A patient can have several.

Dr. Arnason's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women65%
  • Men35%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Jon A. Arnason wrote 3,215 Medicare Part D claims in 2024

In 2024, Dr. Arnason wrote 3,215 Medicare Part D claims for 431 patients. 84% of them were for generic drugs. CMS names the drug for 3,105 of them, across 44 drugs with 11 or more claims each, at $2,525,396 in total drug cost. In 2023, CMS named 3,162 claims across 40 drugs.

Part D claims, 20243,215
Drugs named by CMS44
Total drug cost$2.5M
Part D patients431

Dr. Arnason's Part D claims by kind of drug, 2024

  • Generic2,695 claims84%
  • Brand-name520 claims16%

Dr. Arnason's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Arnason's Part D claims, 2024

  • Opioids3%81 of 3,215 claims
  • Antibiotics1%21 of 3,215 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3,1622024: 3,1052%

Drugs named by CMS: 44 in 2024, 40 in 2023.

See all prescribing by Dr. Arnason

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Jon A. Arnason scored 83 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Arnason for performance year 2024, reported as part of a group. Dr. Arnason accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Arnason as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Arnason's MIPS scores, performance year 2024

  • 83of 100Final score
  • 87.8of 100Quality
  • 77of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 76of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Jon A. Arnason has 11 publications on record

Dmand AI links 11 papers to Dr. Arnason, published from 2005 to 2023. The most frequent topics are Immunoglobulin A, Immunoglobulin G and Arthritis, Rheumatoid. Dr. Arnason has published most often in J Clin Rheumatol. Dr. Arnason's most frequent co-authors are Christie M. Bartels, MD, Heather M. Johnson, MD and Lauren Rene Johnson, MD.

Papers11
Years published2005 to 2023

Topics Dr. Arnason writes about most

  • Immunoglobulin A
  • Immunoglobulin G
  • Arthritis, Rheumatoid
  • Bone Diseases, Metabolic
  • Rheumatoid Factor

Dr. Arnason's most frequent co-authors

Recent publications by Dr. Arnason

See all 11 publications and co-authors

See who Dr. Arnason researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Arnason works with, so you can find a warm path to the right rheumatologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Jon A. Arnason has worked on 1 clinical trial

Dmand AI links Dr. Arnason to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Lymphoma, B-Cell and Lymphoma, Non-Hodgkin. Open Payments lists research payments to Dr. Arnason that name 1 trial.

Conditions in Dr. Arnason's trials

  • Lymphoma, B-Cell
  • Lymphoma, Non-Hodgkin

Investigators on the most trials with Dr. Arnason

Recent clinical trials with Dr. Arnason

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Jon A. Arnason received $340 in industry payments in 2016

CMS Open Payments shows 4 general payments to Dr. Arnason from 2 drug and device companies in 2016. Consulting fees make up the largest share, 59% of the total. Merck Sharp & Dohme Corporation paid the most, $200. It also lists 3 research payments totaling $160 in 2016, naming 1 clinical trial.

General payments to Dr. Arnason by kind, 2016 to 2016

$340in total
  • Consulting fees$20059%
  • Food and beverage$14041%

Companies that paid Dr. Arnason the most, 2016 to 2016

Share is of all general payments to this clinician.

See all payments to Dr. Arnason

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Jon A. Arnason has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Arnason, most recently ACP Fellow in 2012.

Awards and honors for Dr. Arnason

  1. 2012
    • ACP Fellow
  2. 2000
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Jon A. Arnason graduated from University of Iceland

Dr. Arnason graduated from University of Iceland in 1987. Dr. Arnason is a member of ACP and ACR.

  1. Medical schoolUniversity of Iceland
  2. Board certified in rheumatologyAmerican Board of Internal Medicine
  3. Board certified in musculoskeletal ultrasoundAmerican College of Rheumatology

Source: Dmand AI Professional Profile Data

Dr. Jon A. Arnason accepts plans from 20 insurance carriers

Dr. Arnason is in network with 20 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • HCSC
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • Humana
  • +12 more carriersWith a free account

Plan types Dr. Arnason accepts, by number of carriers

  1. HMO11
  2. PPO10
  3. Medicare9
  4. POS5
  5. EPO4
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Jon A. Arnason's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Jon A. Arnason

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Jon A. Arnason's NPI number?

Dr. Jon A. Arnason's NPI number is 1265760433. It was assigned on November 30, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Jon A. Arnason?

Dr. Jon A. Arnason is a rheumatologist in Madison, Wisconsin. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).

Where does Dr. Jon A. Arnason practice?

Dr. Arnason practices at 600 Highland Ave, Madison, WI 53792. Dr. Arnason's primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. Dmand AI also links Dr. Arnason to 4 hospitals and 1 group practice or clinic.

What is Dr. Jon A. Arnason's office phone number?

The practice phone on file for Dr. Arnason is (608) 265-1978.

What is Dr. Jon A. Arnason's medical license number?

Dr. Arnason's Wisconsin license number on file is 33052.

Which hospitals is Dr. Jon A. Arnason affiliated with?

Dr. Arnason is affiliated with University Hospital. Dmand AI links Dr. Arnason to 4 more hospitals.

What medical group is Dr. Jon A. Arnason part of?

Dr. Arnason is linked to UW Health.

Does Dr. Jon A. Arnason accept Medicare?

Yes. CMS data shows Dr. Arnason billed Medicare for 1,074 services in 2024, and Dr. Arnason accepts Medicare assignment.

Does Dr. Jon A. Arnason offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Arnason as offering telehealth services.

What is Dr. Jon A. Arnason's MIPS score?

Dr. Arnason's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Jon A. Arnason see?

CMS counts 400 Medicare patients who saw Dr. Arnason in 2024, with an average age of 71.

Is Dr. Jon A. Arnason board certified?

Yes. Dr. Arnason is board certified in rheumatology by the American Board of Internal Medicine.

What services does Dr. Jon A. Arnason bill to Medicare?

In 2024, Dr. Arnason's most billed Medicare services were office visit, established patient (99213), medicare service (G2211) and office visit, established patient (99214).

Where did Dr. Jon A. Arnason go to medical school?

Dr. Arnason graduated from University of Iceland in 1987.

What drugs does Dr. Jon A. Arnason prescribe most?

In 2024 Medicare Part D data, Dr. Arnason's most prescribed drugs by claims were Methotrexate, Hydroxychloroquine Sulfate and Prednisone.

Has Dr. Jon A. Arnason received payments from drug or device companies?

CMS Open Payments shows $340 in general payments to Dr. Arnason from 2 companies from 2016 to 2016. The largest total came from Merck Sharp & Dohme Corporation.

How long has Dr. Jon A. Arnason been practicing?

Dr. Arnason graduated from medical school in 1987, 39 years ago.

Does Dr. Jon A. Arnason do research?

Dmand AI links 11 publications to Dr. Arnason, published from 2005 to 2023. Dr. Arnason has worked on 1 clinical trial.

Who does Dr. Jon A. Arnason publish with?

Dr. Arnason's most frequent co-authors are Christie M. Bartels, MD (1 shared paper), Heather M. Johnson, MD (1 shared paper) and Lauren Rene Johnson, MD (1 shared paper).

What insurance does Dr. Jon A. Arnason accept?

Dr. Arnason is in network with 20 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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