Kathleen Sue Hemauer, M.D.
Hematology & Oncology Physician · Waukesha, WI
Kathleen Sue Hemauer, M.D. is a hematology & oncology physician with a practice address in Waukesha, Wisconsin, and NPI 1326467234, issued on Apr 8, 2014. Check the license (Wisconsin 65312, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Kathleen Sue Hemauer
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 65312 WI
Self-reported in NPPES; status is on the state search - Practice location
- N16W24131 Riverwood Dr, Waukesha, WI 53188
- Phone
- (262) 696-5690
- Enumerated
- Apr 8, 2014
- Record last updated
- Jul 31, 2023
- Fax
- (262) 696-0769
- Medicare enrollment
- Enrolled (PECOS I20200812002366); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2014
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 295 in Wisconsin → Look up another NPI →
Also registered at N16W24131 Riverwood Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abigail Boesl, AUDAudiologist1558256115
- Christopher Burnett, MDMOHS-Micrographic Surgery Physician1780863779
- Kathleen Bussen, PTPhysical Medicine & Rehabilitation Physician1285133504
- Ryan Condon, MS, LCGCGenetic Counselor (M.S.)1003601295
- Katie DammenAdult Health Nurse Practitioner1083449441
- Laura GildersleevePhysician Assistant1356074850
Verify Kathleen Sue Hemauer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 65312Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,001 Medicare Part D claims for 205 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 28 claims were for opioids.
Most prescribed
- Anastrozole191 claims
- Letrozole90 claims
- Eliquis53 claims
- Ondansetron Hcl44 claims
- Prochlorperazine Maleate43 claims
- Acyclovir42 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $52.16
2 payments; by number, the most common kind was food and beverage; the largest payer was Taiho Oncology, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Prohealth Medical Group IncWaukesha, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathleen Sue Hemauer among 295 hematology & oncology physician records in Wisconsin
Kathleen Sue Hemauer, M.D. is one of 295 hematology & oncology physician records with a practice address in Wisconsin. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 77% of them.
- NPI issued2014 · 77% of these records are older, 19% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2014 · median 2004 among the 217 with a school on file
- Record last updated2023 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Wisconsin
There are 295 hematology & oncology physician records in Wisconsin.
All 295 in Wisconsin → Every provider in Waukesha → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Christopher Hake, MDWaukesha, WI 531881871544619
- Peter Johnson, M.D.Waukesha, WI 531881407948763
- Jonathan Kapke, DOWaukesha, WI 531881093058372
- Laura Raftery, M.D.Waukesha, WI 531881992862551
- Mohammad Raza, M.D.Waukesha, WI 531881952585788
- Federico Sanchez, M.D.Waukesha, WI 531881396710836
- Derek Serna, M.D.Waukesha, WI 531881205044773
- Timothy Wassenaar, MDWaukesha, WI 531881518928993
Common questions
What is Kathleen Sue Hemauer, M.D.'s NPI number?
Kathleen Sue Hemauer, M.D.'s National Provider Identifier (NPI) is 1326467234, issued on Apr 8, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Sue Hemauer, M.D. located?
The NPPES record lists a practice address at N16W24131 Riverwood Dr, Waukesha, WI, 53188. Phone: (262) 696-5690. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Sue Hemauer, M.D.'s license?
NPPES lists Wisconsin license number 65312, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kathleen Sue Hemauer, M.D. prescribe under Medicare Part D?
In 2024, Kathleen Sue Hemauer, M.D. had 1,001 Medicare Part D claims for 205 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.