Dr. John Erik Winterholler, MD
- Medicare services, 2024
- 61
- Medicare patients, 2024
- 92
- Part D claims, 2021
- 11
- MIPS score, 2024
- 96
- Hospital affiliations
- 5
- Practice address
- 600 Highland Ave, Madison, WI 53792
- Practice phone
- Call (608) 265-1978
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Health Services - Madison (Highland Ave)
College / University Student Health · Madison, Wisconsin
Find Dr. Winterholler's professional email, personal email and mobile number
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Dr. John Erik Winterholler is an interventional radiologist in Madison, Wisconsin
Dr. Winterholler practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin.
Dr. Winterholler's NPI, 1912536640, was assigned on April 4, 2020. Dr. Winterholler holds Wisconsin license 77763.
- NPI
- 1912536640NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537585393
- NPI enumeration date
- April 4, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 265-1978
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Erik Winterholler practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin
Dr. Winterholler'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. John Erik Winterholler is affiliated with 6 sites of care and 6 medical groups
Dr. Winterholler's primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. Dr. Winterholler is also affiliated with University Hospital. The medical group on file is UW Health. Dmand AI also links Dr. Winterholler to 4 more hospitals and 5 medical groups, each named with a free account. Dr. Winterholler's employer is on file too: a school & student health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Erik Winterholler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Winterholler practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Health Services - Madison (Highland Ave) | Available with a free account |
| +5 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Erik Winterholler is one of 93 interventional radiologists in Wisconsin
Vascular and interventional radiology is Dr. Winterholler's primary specialty in the NPI Registry, under taxonomy code 2085R0204X. Dr. Winterholler is licensed in Wisconsin.
Specialties and state licenses
- Vascular and interventional radiology, WisconsinPrimary
Interventional radiologists near Dr. Winterholler
Counts of interventional radiologists 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 Erik Winterholler billed Medicare for 61 services in 2024
CMS data shows 61 Medicare services from Dr. Winterholler across 2 procedure codes in 2024, for 92 Medicare patients. Medicare paid $847 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Winterholler compared with the Wisconsin median for interventional radiologists, 2024
- Dr. Winterholler
- Wisconsin median
- Medicare services
- 61vs 79192% below
- Medicare patients
- 92vs 64586% below
- Part D claims
- 11vs 1421% below
Medians across 91 interventional radiologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Winterholler'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Winterholler and other interventional radiologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Erik Winterholler treated 92 Medicare patients in 2024, average age 74
CMS counts 92 Medicare patients who saw Dr. Winterholler in 2024. The largest group is 65 to 74, with 40 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.97, 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. Winterholler's median patient age at 59, with 55% women.
Dr. Winterholler's Medicare patients by age, 2024
Dr. Winterholler's Medicare patients by sex, 2024
- Women5054%
- Men4246%
Chronic conditions among Dr. Winterholler's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Ischemic heart disease42%
- Diabetes41%
- Mood disorders40%
- Anxiety39%
- Depression38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Winterholler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Erik Winterholler wrote 11 Medicare Part D claims in 2021
In 2021, Dr. Winterholler wrote 11 Medicare Part D claims. They cover 1 drug, with $40 in total drug cost.
Dr. Winterholler's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. John Erik Winterholler scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Winterholler for performance year 2024, reported through an alternative payment model (APM). Dr. Winterholler accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Winterholler's MIPS scores, performance year 2024
- 96of 100Final score
- 88.3of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
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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Sources for Dr. John Erik Winterholler'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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 Erik Winterholler
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What is Dr. John Erik Winterholler's NPI number?
Dr. John Erik Winterholler's NPI number is 1912536640. It was assigned on April 4, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. John Erik Winterholler?
Dr. John Erik Winterholler is an interventional radiologist in Madison, Wisconsin. The primary specialty in the NPI Registry is Vascular & Interventional Radiology Physician (taxonomy code 2085R0204X).
Where does Dr. John Erik Winterholler practice?
Dr. Winterholler practices at 600 Highland Ave, Madison, WI 53792. Dr. Winterholler's primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. Dmand AI also links Dr. Winterholler to 4 hospitals and 5 medical groups.
What is Dr. John Erik Winterholler's office phone number?
The practice phone on file for Dr. Winterholler is (608) 265-1978.
What is Dr. John Erik Winterholler's medical license number?
Dr. Winterholler holds Wisconsin license 77763.
Which hospitals is Dr. John Erik Winterholler affiliated with?
Dr. Winterholler is affiliated with University Hospital. Dmand AI links Dr. Winterholler to 4 more hospitals.
What medical group is Dr. John Erik Winterholler part of?
Dr. Winterholler is linked to UW Health. Dmand AI links Dr. Winterholler to 5 more medical groups.
Does Dr. John Erik Winterholler accept Medicare?
Yes. CMS data shows Dr. Winterholler billed Medicare for 61 services in 2024, and Dr. Winterholler accepts Medicare assignment.
What is Dr. John Erik Winterholler's MIPS score?
Dr. Winterholler's MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. John Erik Winterholler see?
CMS counts 92 Medicare patients who saw Dr. Winterholler in 2024, with an average age of 74.
Show 3 more questionsShow fewer questions
What services does Dr. John Erik Winterholler bill to Medicare?
In 2024, Dr. Winterholler's most billed Medicare services were diagnostic imaging (71045) and diagnostic imaging (70450).
What drugs does Dr. John Erik Winterholler prescribe most?
In 2021 Medicare Part D data, Dr. Winterholler's most prescribed drugs by claims were Sulfamethoxazole-Trimethoprim.
How long has Dr. John Erik Winterholler been practicing?
Dr. Winterholler graduated from medical school in 2020, 6 years ago.
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