Katherine Mae Harms, R.N.
Registered Nurse · Waukesha, WI
Katherine Mae Harms, R.N. is a registered nurse with a practice address in Waukesha, Wisconsin, and NPI 1942499421, issued on Oct 19, 2007. Check the license with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Katherine Mae Harms
- Credential
- R.N.
- Primary taxonomy
- Registered Nurse 163W00000X
- Practice location
- 20700 Watertown RD, Waukesha, WI 53186
- Phone
- (262) 717-9850
- Enumerated
- Oct 19, 2007
- Record last updated
- Oct 19, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (262) 717-9851
- Entity
- Type 1 · individual
8 nearest registered nurse records → All 4,628 in Wisconsin → Look up another NPI →
Also registered at 20700 Watertown RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Mae Harms in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Katherine Mae Harms among 4,628 registered nurse records in Wisconsin
Katherine Mae Harms, R.N. is one of 4,628 registered nurse records with a practice address in Wisconsin. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 7% of them.
- NPI issued2007 · 7% of these records are older, 87% newer
- In a Medicare fileNo · under 1% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
173 registered nurse records list a practice address in Waukesha
They are 173 of the 2,814 NPPES records with a practice address in Waukesha, and 4,628 registered nurse records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,628 in Wisconsin → Every provider in Waukesha → Registered Nurse nationwide →
The 8 registered nurse records with the nearest ZIP codes
- Sandra Baumgartner, REGISTERED NURSEWaukesha, WI 531861720335342
- Mary Burazin, RNWaukesha, WI 531861508113127
- Nicole Creighton, RNWaukesha, WI 531861871822049
- Toni Genske, R.N.Waukesha, WI 531861740437300
- Denise Hussinger, BSN; RNWaukesha, WI 531861740392372
- Kathryn Koerten, RNWaukesha, WI 531861467793414
- Lorena Lizardi, RNWaukesha, WI 531861073833471
- Gina Martin, RNWaukesha, WI 531861326396276
Common questions
What is Katherine Mae Harms, R.N.'s NPI number?
Katherine Mae Harms, R.N.'s National Provider Identifier (NPI) is 1942499421, issued on Oct 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Mae Harms, R.N. located?
The NPPES record lists a practice address at 20700 Watertown RD, Waukesha, WI, 53186. Phone: (262) 717-9850. Providers update this record themselves, so call before visiting.
How can I verify Katherine Mae Harms, R.N.'s license?
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. 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.