DNA, MitochondrialInterferonsMitochondria
Dr. John Varga, MD
NPI1528288495PAC ID4587628599
- Medicare services, 2024
- 43
- Medicare patients, 2024
- 20
- Part D claims, 2024
- 148
- Publications
- 162
- Hospital affiliations
- 1
- Practice address
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Practice phone
- Call (734) 936-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Hospital
School-Based Health Center · Ann Arbor, Michigan
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Dr. John Varga is a rheumatologist in Ann Arbor, Michigan
Dr. Varga practices at University Hospital in Ann Arbor, Michigan.
Dr. Varga's NPI, 1528288495, was assigned on April 26, 2007. Dr. Varga graduated from New York University School of Medicine in 1980. Dr. Varga holds Michigan license 4301501929.
NPI and contact details
- NPI
- 1528288495NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587628599
- NPI enumeration date
- April 26, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (734) 936-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Varga practices at University Hospital in Ann Arbor, Michigan
Dr. Varga's primary practice is University Hospital, at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The practice phone is (734) 936-4000.
- University Hospital1500 E Medical Center Dr, Ann Arbor, MI 48109Phone(734) 936-4000
Source: Dmand AI Affiliation Data
Dr. John Varga is affiliated with 2 sites of care and 1 medical group
Dr. Varga's primary practice is University Hospital in Ann Arbor, Michigan. Dr. Varga is also affiliated with University Hospital. The medical group on file is University of Michigan Health. Dr. Varga's employer is on file too: a school & student health.
University HospitalPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Varga's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Varga practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Varga is one of 203 rheumatologists in Michigan
Rheumatology is Dr. Varga's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Varga is licensed in Michigan.
Specialties and state licenses
- Rheumatology, MichiganPrimary
Rheumatologists near Dr. Varga
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. John Varga billed Medicare for 43 services in 2024
CMS data shows 43 Medicare services from Dr. Varga across 2 procedure codes in 2024, for 20 Medicare patients. Medicare paid $2,530 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202443
Medicare patients20
Paid by Medicare$2,530
Procedure codes2
Dr. Varga's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 262024: 2215%
- Other services
- 2023: 02024: 21
Dr. Varga compared with the Michigan median for rheumatologists, 2024
- Dr. Varga
- Michigan median
- Medicare services
- 43vs 40089% below
- Medicare patients
- 20vs 16288% below
- Part D claims
- 66vs 1,19994% below
Medians across 198 rheumatologists in Michigan with Dmand AI profiles that report each measure.
Dr. Varga'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.
Need commercial claims for Dr. Varga?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Varga and other rheumatologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Varga treated 20 Medicare patients in 2024, average age 69
CMS counts 20 Medicare patients who saw Dr. Varga in 2024. 75% of them have high blood pressure, and 65% have arthritis. Their average risk score is 2.55, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Varga's median patient age at 63, with 81% women.
Medicare patients, 202420
Average age69
Average risk score2.55
Chronic conditions among Dr. Varga's Medicare patients, 2024
- High blood pressure75%
- Arthritis65%
- High cholesterol65%
- Chronic kidney disease55%
Share of Medicare patients with each condition. A patient can have several.
Dr. Varga's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women81%
- Men19%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Varga wrote 148 Medicare Part D claims in 2024
In 2024, Dr. Varga wrote 148 Medicare Part D claims for 33 patients. 91% of them were for generic drugs. CMS names the drug for 66 of them, across 5 drugs with 11 or more claims each, at $101,344 in total drug cost. In 2023, CMS named 54 claims across 4 drugs.
Part D claims, 2024148
Drugs named by CMS5
Total drug cost$101,344
Part D patients33
Dr. Varga's Part D claims by kind of drug, 2024
- Generic134 claims91%
- Brand-name14 claims9%
Dr. Varga'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 542024: 6622%
Drugs named by CMS: 5 in 2024, 4 in 2023.
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
How Dr. John Varga takes part in Medicare
Dr. Varga accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John Varga has 162 publications on record
Dmand AI links 162 papers to Dr. Varga, published from 2012 to 2025. 2024 was the busiest year, with 16. The most frequent topics are Scleroderma, Systemic, Fibrosis and Fibroblasts. Dr. Varga has published most often in Rheumatology (Oxford). Dr. Varga's most frequent co-authors are Monique Evangeline Hinchcliff, MD, MS, Dinesh Khanna, MD and Benjamin Douglas Korman, MD.
Papers162
Years published2012 to 2025
Dr. Varga's papers by year, 2016 to 2025
Topics Dr. Varga writes about most
- Scleroderma, Systemic
- Fibrosis
- Fibroblasts
- Skin
- Signal Transduction
- Disease Models, Animal
- Myofibroblasts
- Bleomycin
Dr. Varga's most frequent co-authors
- Monique Evangeline Hinchcliff, MD, MS35 shared papers
- Dinesh Khanna, MD23 shared papers
- Benjamin Douglas Korman, MD14 shared papers
Recent publications by Dr. Varga
CommunicationComprehensionInformation Dissemination
See who Dr. Varga researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Varga works with, so you can find a warm path to the right rheumatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Varga received $83,532 in industry payments from 2016 to 2025
CMS Open Payments shows 86 general payments to Dr. Varga from 11 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 70% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $28,665.
General payments to Dr. Varga by program year, 2016 to 2025
General payments to Dr. Varga by kind, 2016 to 2025
$83.5Kin total
- Consulting fees$58,71470%
- Speaker and faculty fees$12,32515%
- Travel and lodging$6,6358%
- Honoraria$4,0005%
- Food and beverage$1,8582%
Companies that paid Dr. Varga the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Varga graduated from New York University School of Medicine
Dr. Varga graduated from New York University School of Medicine in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Varga's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John Varga
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. John Varga's NPI number?
Dr. John Varga's NPI number is 1528288495. It was assigned on April 26, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. John Varga?
Dr. John Varga is a rheumatologist in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. John Varga practice?
Dr. Varga practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. Dr. Varga's primary practice is University Hospital in Ann Arbor, Michigan.
What is Dr. John Varga's office phone number?
The practice phone on file for Dr. Varga is (734) 936-4000.
What is Dr. John Varga's medical license number?
Dr. Varga holds Michigan license 4301501929.
Which hospitals is Dr. John Varga affiliated with?
Dr. Varga is affiliated with University Hospital.
What medical group is Dr. John Varga part of?
Dr. Varga is linked to University of Michigan Health.
Does Dr. John Varga accept Medicare?
Yes. CMS data shows Dr. Varga billed Medicare for 43 services in 2024, and Dr. Varga accepts Medicare assignment.
How many Medicare patients does Dr. John Varga see?
CMS counts 20 Medicare patients who saw Dr. Varga in 2024, with an average age of 69.
What services does Dr. John Varga bill to Medicare?
In 2024, Dr. Varga's most billed Medicare services were office visit, established patient (99215) and medicare service (G2211).
Show 6 more questionsShow fewer questions
Where did Dr. John Varga go to medical school?
Dr. Varga graduated from New York University School of Medicine in 1980.
What drugs does Dr. John Varga prescribe most?
In 2024 Medicare Part D data, Dr. Varga's most prescribed drugs by claims were Prednisone, Enbrel Sureclick and Amlodipine Besylate.
Has Dr. John Varga received payments from drug or device companies?
CMS Open Payments shows $83,532 in general payments to Dr. Varga from 11 companies from 2016 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. John Varga been practicing?
Dr. Varga graduated from medical school in 1980, 46 years ago.
Does Dr. John Varga do research?
Dmand AI links 162 publications to Dr. Varga, published from 2012 to 2025.
Who does Dr. John Varga publish with?
Dr. Varga's most frequent co-authors are Monique Evangeline Hinchcliff, MD, MS (35 shared papers), Dinesh Khanna, MD (23 shared papers) and Benjamin Douglas Korman, MD (14 shared papers).
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