Antibodies, Monoclonal, HumanizedDrug-Related Side Effects and Adverse ReactionsHematopoietic Stem Cell Transplantation
Dr. Kathleen Sue Hemauer, MD
NPI1326467234PAC ID2365728615
- Medicare services, 2024
- 567
- Medicare patients, 2024
- 252
- Part D claims, 2024
- 1,001
- Publications
- 3
- Clinical trials
- 1
- Practice address
- 791 E Summit Ave, Oconomowoc, WI 53066
- Practice phone
- Call (262) 569-9400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hemauer's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Kathleen Sue Hemauer is a hematologist and oncologist in Oconomowoc, Wisconsin
Dr. Hemauer practices at ProHealth Oconomowoc Memorial Hospital in Oconomowoc, Wisconsin, part of ProHealth Care.
Dr. Hemauer's NPI, 1326467234, was assigned on April 8, 2014. Dr. Hemauer graduated from Medical College of Wisconsin in 2014. Dr. Hemauer holds Wisconsin license 65312.
NPI and contact details
- NPI
- 1326467234NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365728615
- NPI enumeration date
- April 8, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (262) 569-9400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kathleen Sue Hemauer practices at ProHealth Oconomowoc Memorial Hospital in Oconomowoc, Wisconsin
Dr. Hemauer's primary practice is ProHealth Oconomowoc Memorial Hospital, at 791 E Summit Ave, Oconomowoc, WI 53066 in Waukesha County. The practice phone is (262) 569-9400.
- ProHealth Oconomowoc Memorial Hospital791 E Summit Ave, Oconomowoc, WI 53066 · Waukesha CountyPhone(262) 569-9400
Source: Dmand AI Affiliation Data
Dr. Kathleen Sue Hemauer is affiliated with 5 sites of care and 1 medical group
Dr. Hemauer's primary practice is ProHealth Oconomowoc Memorial Hospital in Oconomowoc, Wisconsin, part of ProHealth Care. Dr. Hemauer is also affiliated with ProHealth Waukesha Memorial Hospital. The medical group on file is ProHealth Medical Group. Dmand AI also links Dr. Hemauer to 1 more hospital, 1 group practice or clinic and 1 hospital outpatient department, each named with a free account.
ProHealth Waukesha Memorial HospitalProHealth Medical Group1 hospitalName with a free account1 group practice or clinicName with a free account1 hospital outpatient departmentName with a free account
See all 6 affiliations for Dr. HemauerSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kathleen Sue Hemauer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hemauer practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ProHealth Oconomowoc Memorial Hospital | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kathleen Sue Hemauer is one of 277 hematologists and oncologists in Wisconsin
Hematology and oncology is Dr. Hemauer's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Hemauer is licensed in Wisconsin.
Specialties and state licenses
- Hematology and oncology, WisconsinPrimary
Hematologists and oncologists near Dr. Hemauer
Counts of hematologists and 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. Kathleen Sue Hemauer billed Medicare for 567 services in 2024
CMS data shows 567 Medicare services from Dr. Hemauer across 7 procedure codes in 2024, for 252 Medicare patients. Medicare paid $47,596 for them.
Medicare services, 2024567
Medicare patients252
Paid by Medicare$47,596
Procedure codes7
Dr. Hemauer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4072024: 56739%
Where Dr. Hemauer's Medicare services took place, 2024
- In an office20436%
- In a facility36364%
Dr. Hemauer compared with the Wisconsin median for hematologists and oncologists, 2024
- Dr. Hemauer
- Wisconsin median
- Medicare services
- 567vs 545Close to median
- Medicare patients
- 252vs 17247% above
- Part D claims
- 809vs 44681% above
Medians across 269 hematologists and oncologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Hemauer'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. Hemauer and other hematologists and oncologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kathleen Sue Hemauer treated 252 Medicare patients in 2024, average age 75
CMS counts 252 Medicare patients who saw Dr. Hemauer in 2024. The largest group is 65 to 74, with 115 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.81, 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. Hemauer's median patient age at 73, with 70% women.
Medicare patients, 2024252
Average age75
Average risk score1.81
Also on Medicaid7%
Dr. Hemauer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hemauer's Medicare patients by sex, 2024
- Women16766%
- Men8534%
Chronic conditions among Dr. Hemauer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer63%
- Arthritis47%
- Chronic kidney disease35%
- Ischemic heart disease32%
- Mood disorders31%
- Anxiety30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hemauer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women70%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kathleen Sue Hemauer wrote 1,001 Medicare Part D claims in 2024
In 2024, Dr. Hemauer wrote 1,001 Medicare Part D claims for 205 patients. 87% of them were for generic drugs. CMS names the drug for 809 of them, across 24 drugs with 11 or more claims each, at $432,512 in total drug cost. In 2023, CMS named 410 claims across 13 drugs.
Part D claims, 20241,001
Drugs named by CMS24
Total drug cost$432,512
Part D patients205
Dr. Hemauer's Part D claims by kind of drug, 2024
- Generic866 claims87%
- Brand-name135 claims13%
Dr. Hemauer'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. Hemauer's Part D claims, 2024
- Opioids3%28 of 1,001 claims
- Antibiotics3%30 of 1,001 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: 4102024: 80997%
Drugs named by CMS: 24 in 2024, 13 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. Kathleen Sue Hemauer takes part in Medicare
Dr. Hemauer 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. Kathleen Sue Hemauer has 3 publications on record
Dmand AI links 3 papers to Dr. Hemauer, published from 2016 to 2017. Dr. Hemauer has published most often in Am J Hematol. Dr. Hemauer's most frequent co-authors are Narendranath Epperla, MD, Kenneth D. Friedman, MD and Nirav N. Shah, MD.
Papers3
Years published2016 to 2017
Dr. Hemauer's most frequent co-authors
- Narendranath Epperla, MD2 shared papers
- Kenneth D. Friedman, MD2 shared papers
- Nirav N. Shah, MD1 shared paper
Recent publications by Dr. Hemauer
Lymphohistiocytosis, HemophagocyticLymphoma, Primary Effusion
ADAMTS13 ProteinDisease ManagementDNA Mutational Analysis
See who Dr. Hemauer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hemauer works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Kathleen Sue Hemauer has worked on 1 clinical trial
Dmand AI links Dr. Hemauer to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Hematologic Neoplasms and Neoplasm Metastasis.
Conditions in Dr. Hemauer's trials
- Hematologic Neoplasms
- Neoplasm Metastasis
Investigators on the most trials with Dr. Hemauer
- Tanmay Sahai, MD1 shared trial
- John M. Schallenkamp, MD1 shared trial
- Bernard Tawfik, MD1 shared trial
Recent clinical trials with Dr. Hemauer
Financial Navigation Program to Improve Understanding and Management of Financial Aspects of Cancer Care for Patients and Their Spouses (opens in a new tab)
Active, not recruiting
Hematologic NeoplasmsNeoplasm Metastasis
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Kathleen Sue Hemauer received $247 in industry payments from 2017 to 2025
CMS Open Payments shows 6 general payments to Dr. Hemauer from 4 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $114.
General payments to Dr. Hemauer by program year, 2017 to 2025
Companies that paid Dr. Hemauer the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kathleen Sue Hemauer graduated from Medical College of Wisconsin
Dr. Hemauer graduated from Medical College of Wisconsin in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kathleen Sue Hemauer'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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| 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. Kathleen Sue Hemauer
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. Kathleen Sue Hemauer's NPI number?
Dr. Kathleen Sue Hemauer's NPI number is 1326467234. It was assigned on April 8, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Kathleen Sue Hemauer?
Dr. Kathleen Sue Hemauer is a hematologist and oncologist in Oconomowoc, Wisconsin. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Kathleen Sue Hemauer practice?
Dr. Hemauer practices at 791 E Summit Ave, Oconomowoc, WI 53066. Dr. Hemauer's primary practice is ProHealth Oconomowoc Memorial Hospital in Oconomowoc, Wisconsin, part of ProHealth Care. Dmand AI also links Dr. Hemauer to 1 hospital, 1 group practice or clinic and 1 hospital outpatient department.
What is Dr. Kathleen Sue Hemauer's office phone number?
The practice phone on file for Dr. Hemauer is (262) 569-9400.
What is Dr. Kathleen Sue Hemauer's medical license number?
Dr. Hemauer holds Wisconsin license 65312.
Which hospitals is Dr. Kathleen Sue Hemauer affiliated with?
Dr. Hemauer practices at ProHealth Oconomowoc Memorial Hospital in Oconomowoc, Wisconsin. Dr. Hemauer is also affiliated with ProHealth Waukesha Memorial Hospital. Dmand AI links Dr. Hemauer to 1 more hospital.
What medical group is Dr. Kathleen Sue Hemauer part of?
Dr. Hemauer is linked to ProHealth Medical Group.
Does Dr. Kathleen Sue Hemauer accept Medicare?
Yes. CMS data shows Dr. Hemauer billed Medicare for 567 services in 2024, and Dr. Hemauer accepts Medicare assignment.
How many Medicare patients does Dr. Kathleen Sue Hemauer see?
CMS counts 252 Medicare patients who saw Dr. Hemauer in 2024, with an average age of 75.
What services does Dr. Kathleen Sue Hemauer bill to Medicare?
In 2024, Dr. Hemauer's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and hospital inpatient care (99232).
Show 6 more questionsShow fewer questions
Where did Dr. Kathleen Sue Hemauer go to medical school?
Dr. Hemauer graduated from Medical College of Wisconsin in 2014.
What drugs does Dr. Kathleen Sue Hemauer prescribe most?
In 2024 Medicare Part D data, Dr. Hemauer's most prescribed drugs by claims were Anastrozole, Letrozole and Eliquis.
Has Dr. Kathleen Sue Hemauer received payments from drug or device companies?
CMS Open Payments shows $247 in general payments to Dr. Hemauer from 4 companies from 2017 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Kathleen Sue Hemauer been practicing?
Dr. Hemauer graduated from medical school in 2014, 12 years ago.
Does Dr. Kathleen Sue Hemauer do research?
Dmand AI links 3 publications to Dr. Hemauer, published from 2016 to 2017. Dr. Hemauer has worked on 1 clinical trial.
Who does Dr. Kathleen Sue Hemauer publish with?
Dr. Hemauer's most frequent co-authors are Narendranath Epperla, MD (2 shared papers), Kenneth D. Friedman, MD (2 shared papers) and Nirav N. Shah, MD (1 shared paper).
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