Clinical ClerkshipCurriculumEducational Measurement
Dr. Gregory E. Kauffmann, MD
NPI1326480245PAC ID0345543179
- Medicare services, 2024
- 1,498
- Medicare patients, 2024
- 214
- Part D claims, 2024
- 84
- Publications
- 2
- Hospital affiliations
- 5
- Practice address
- 11516 N Port Washington Rd, Mequon, WI 53092
- Practice phone
- Call (414) 649-6420
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Radiation Oncology Associates, Ltd
Mequon, Wisconsin
Find Dr. Kauffmann's professional email, personal email and mobile number
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Dr. Gregory E. Kauffmann is a radiation oncologist in Mequon, Wisconsin
Dr. Kauffmann practices at Radiation Oncology Associates, Ltd in Mequon, Wisconsin.
Dr. Kauffmann's NPI, 1326480245, was assigned on July 19, 2013. Dr. Kauffmann graduated from University of Chicago, Pritzker School of Medicine in 2013. Dr. Kauffmann holds Wisconsin license 68600-20.
NPI and contact details
- NPI
- 1326480245NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345543179
- NPI enumeration date
- July 19, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (414) 649-6420
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory E. Kauffmann practices at Radiation Oncology Associates, Ltd in Mequon, Wisconsin
Dr. Kauffmann's primary practice is Radiation Oncology Associates, Ltd, at 11516 N Port Washington Rd, Mequon, WI 53092 in Ozaukee County. The practice phone is (414) 649-6420.
- Radiation Oncology Associates, Ltd11516 N Port Washington Rd, Mequon, WI 53092 · Ozaukee CountyPhone(414) 649-6420
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregory E. Kauffmann is affiliated with 6 sites of care and 1 medical group
Dr. Kauffmann's primary practice is Radiation Oncology Associates, Ltd in Mequon, Wisconsin. Dr. Kauffmann is also affiliated with Aurora St. Luke's Medical Center. The medical group on file is Radiation Oncology Associates, Ltd. Dmand AI also links Dr. Kauffmann to 4 more hospitals, each named with a free account.
Radiation Oncology Associates, LtdPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory E. Kauffmann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kauffmann practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Radiation Oncology Associates, Ltd | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory E. Kauffmann is one of 121 radiation oncologists in Wisconsin
Radiation oncology is Dr. Kauffmann's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dmand AI has Dr. Kauffmann's licenses on file in 2 states: Wisconsin and Illinois.
Specialties and state licenses
- Radiation oncology, WisconsinPrimary
- Internal medicine, Illinois
Radiation oncologists near Dr. Kauffmann
Counts of radiation oncologists 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. Gregory E. Kauffmann billed Medicare for 1,498 services in 2024
CMS data shows 1,498 Medicare services from Dr. Kauffmann across 19 procedure codes in 2024, for 214 Medicare patients. Medicare paid $93,802 for them.
Medicare services, 20241,498
Medicare patients214
Paid by Medicare$93,802
Procedure codes19
Dr. Kauffmann's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 8652024: 1,24043%
- Other services
- 2023: 02024: 146
- Office and hospital visits
- 2023: 502024: 8162%
- Surgery
- 2023: 02024: 31
Where Dr. Kauffmann's Medicare services took place, 2024
- In an office191%
- In a facility1,47999%
Dr. Kauffmann compared with the Wisconsin median for radiation oncologists, 2024
- Dr. Kauffmann
- Wisconsin median
- Medicare services
- 1,498vs 88969% above
- Medicare patients
- 214vs 14845% above
- Part D claims
- 26vs 4137% below
Medians across 125 radiation oncologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Kauffmann'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. Kauffmann and other radiation oncologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory E. Kauffmann treated 214 Medicare patients in 2024, average age 73
CMS counts 214 Medicare patients who saw Dr. Kauffmann in 2024. The largest group is 65 to 74, with 116 patients. 75% of them have cancer, and 75% have high blood pressure. 11% are also on Medicaid. Their average risk score is 1.63, 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. Kauffmann's median patient age at 69, with 59% women.
Medicare patients, 2024214
Average age73
Average risk score1.63
Also on Medicaid11%
Dr. Kauffmann's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kauffmann's Medicare patients by sex, 2024
- Women11453%
- Men10047%
Chronic conditions among Dr. Kauffmann's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol73%
- Arthritis47%
- Ischemic heart disease36%
- Chronic kidney disease34%
- Anxiety29%
- Diabetes28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kauffmann's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory E. Kauffmann wrote 84 Medicare Part D claims in 2024
In 2024, Dr. Kauffmann wrote 84 Medicare Part D claims for 49 patients. 94% of them were for generic drugs. CMS names the drug for 26 of them, across 1 drug with 11 or more claims each, at $280 in total drug cost. In 2018, CMS named 11 claims across 1 drug.
Part D claims, 202484
Drugs named by CMS1
Total drug cost$280
Part D patients49
Dr. Kauffmann's Part D claims by kind of drug, 2024
- Generic79 claims94%
- Brand-name and other5 claims6%
Dr. Kauffmann'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, 2018 to 2024
- 2018
- 2024
- Claims for drugs CMS names
- 2018: 112024: 26136%
Drugs named by CMS: 1 in 2024, 1 in 2018.
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. Gregory E. Kauffmann takes part in Medicare
Dr. Kauffmann 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. Gregory E. Kauffmann has 2 publications on record
Dmand AI links 2 papers to Dr. Kauffmann, published from 2013 to 2018. Dr. Kauffmann's most frequent co-authors are Steven J. Chmura, Daniel William Golden, MD and Ryan Patrick McKillip, MD.
Papers2
Years published2013 to 2018
Dr. Kauffmann's most frequent co-authors
- Steven J. Chmura1 shared paper
- Daniel William Golden, MD1 shared paper
- Ryan Patrick McKillip, MD1 shared paper
Recent publications by Dr. Kauffmann
Bone NeoplasmsDiagnosis, DifferentialImage Enhancement
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Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory E. Kauffmann graduated from University of Chicago, Pritzker School of Medicine
Dr. Kauffmann graduated from University of Chicago, Pritzker School of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory E. Kauffmann'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 |
| 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. Gregory E. Kauffmann
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. Gregory E. Kauffmann's NPI number?
Dr. Gregory E. Kauffmann's NPI number is 1326480245. It was assigned on July 19, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory E. Kauffmann?
Dr. Gregory E. Kauffmann is a radiation oncologist in Mequon, Wisconsin. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Gregory E. Kauffmann practice?
Dr. Kauffmann practices at 11516 N Port Washington Rd, Mequon, WI 53092. Dr. Kauffmann's primary practice is Radiation Oncology Associates, Ltd in Mequon, Wisconsin. Dmand AI also links Dr. Kauffmann to 4 hospitals.
What is Dr. Gregory E. Kauffmann's office phone number?
The practice phone on file for Dr. Kauffmann is (414) 649-6420.
What is Dr. Gregory E. Kauffmann's medical license number?
Dr. Kauffmann holds Wisconsin license 68600-20, one of the licenses on file in 2 states.
Which states has Dr. Gregory E. Kauffmann been licensed in?
Dmand AI has state licenses on file for Dr. Kauffmann in Wisconsin and Illinois.
Which hospitals is Dr. Gregory E. Kauffmann affiliated with?
Dr. Kauffmann is affiliated with Aurora St. Luke's Medical Center. Dmand AI links Dr. Kauffmann to 4 more hospitals.
What medical group is Dr. Gregory E. Kauffmann part of?
Dr. Kauffmann is linked to Radiation Oncology Associates, Ltd.
Does Dr. Gregory E. Kauffmann accept Medicare?
Yes. CMS data shows Dr. Kauffmann billed Medicare for 1,498 services in 2024, and Dr. Kauffmann accepts Medicare assignment.
How many Medicare patients does Dr. Gregory E. Kauffmann see?
CMS counts 214 Medicare patients who saw Dr. Kauffmann in 2024, with an average age of 73.
Show 6 more questionsShow fewer questions
What services does Dr. Gregory E. Kauffmann bill to Medicare?
In 2024, Dr. Kauffmann's most billed Medicare services were radiation oncology (77014), radiation oncology (77427) and radiation oncology (77300).
Where did Dr. Gregory E. Kauffmann go to medical school?
Dr. Kauffmann graduated from University of Chicago, Pritzker School of Medicine in 2013.
What drugs does Dr. Gregory E. Kauffmann prescribe most?
In 2024 Medicare Part D data, Dr. Kauffmann's most prescribed drugs by claims were Tamsulosin HCl.
How long has Dr. Gregory E. Kauffmann been practicing?
Dr. Kauffmann graduated from medical school in 2013, 13 years ago.
Does Dr. Gregory E. Kauffmann do research?
Dmand AI links 2 publications to Dr. Kauffmann, published from 2013 to 2018.
Who does Dr. Gregory E. Kauffmann publish with?
Dr. Kauffmann's most frequent co-authors are Steven J. Chmura (1 shared paper), Daniel William Golden, MD (1 shared paper) and Ryan Patrick McKillip, MD (1 shared paper).
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