Katherine Bernice Walczak, DNP
Oncology Clinical Nurse Specialist · Milwaukee, WI
Katherine Bernice Walczak, DNP is an oncology clinical nurse specialist with a practice address in Milwaukee, Wisconsin, and NPI 1851178404, issued on Sep 8, 2023. Check the license (Wisconsin 170636-30, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Bernice Walczak
- Credential
- DNP
- Primary taxonomy
- Oncology Clinical Nurse Specialist 364SX0200X
- License number
- 170636-30 WI
Self-reported in NPPES; status is on the state search - Practice location
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 805-4690
- Enumerated
- Sep 8, 2023
- Record last updated
- Sep 8, 2023
- Entity
- Type 1 · individual
1 nearest oncology clinical nurse specialist record → All 2 in Wisconsin → Look up another NPI →
Also registered at 9200 W Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shameem Aadam, RPHPharmacist1760755680
- Abubaker Abdalla, MDHospitalist Physician1194187617
- Sameem Abedin, MDHematology & Oncology Physician1063641157
- Lolia Abibo, M.D.Hospitalist Physician1912359795
- Haisam Abid, MBBSHospitalist Physician1578083184
- Faith Abodunrin, MDHematology & Oncology Physician1437768769
Verify Katherine Bernice Walczak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 170636-30Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $346.96
3 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 94 providers of this specialty with any payment received $2,471.81 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.
Oncology Clinical Nurse Specialist providers in Wisconsin
There are 2 oncology clinical nurse specialist records in Wisconsin.
All 2 in Wisconsin → Every provider in Milwaukee → Oncology Clinical Nurse Specialist nationwide →
The 1 oncology clinical nurse specialist record with the nearest ZIP codes
- Margaret Wagnerowski, MSN, APNP, CNS-BCHolmen, WI 546361497563910
Common questions
What is Katherine Bernice Walczak, DNP's NPI number?
Katherine Bernice Walczak, DNP's National Provider Identifier (NPI) is 1851178404, issued on Sep 8, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Bernice Walczak, DNP located?
The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-4690. Providers update this record themselves, so call before visiting.
How can I verify Katherine Bernice Walczak, DNP's license?
NPPES lists Wisconsin license number 170636-30, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity 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.