Karen Elizabeth Grumstrup, NURSE PRACTITIONER
Nurse Practitioner · Milwaukee, WI
Karen Elizabeth Grumstrup, NURSE PRACTITIONER is a nurse practitioner with a practice address in Milwaukee, Wisconsin, and NPI 1275756611, issued on Apr 11, 2007. Check the license (Wisconsin 133735, as entered in NPPES) with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Karen Elizabeth Grumstrup
- Credential
- NURSE PRACTITIONER
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 133735 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2207 W Wisconsin Ave, Milwaukee, WI 53233
- Phone
- (414) 931-8181
- Enumerated
- Apr 11, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 2207 W Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karen Elizabeth Grumstrup in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 133735Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
695 nurse practitioner records list a practice address in Milwaukee
They are 695 of the 18,389 NPPES records with a practice address in Milwaukee, and 3,995 nurse practitioner records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 695 in Milwaukee → All 3,995 in Wisconsin → Every provider in Milwaukee →
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- Mohamed Abdelazim, APNPAppleton, WI1760266696
- Jacklyn Abel, AGACNP-BCMauston, WI1104631506
- Henrietta Abili, APNPGermantown, WI1174859524
- Jade Abts, NPGreen Bay, WI1992293708
- Karalyn Adam, DNP, RNMarshfield, WI1780933051
- Carol Adamczyk, MSNWauwatosa, WI1457502395
- Amanda Adams, NPMadison, WI1023366598
- Bernadette Adams, FNPWestby, WI1427047620
Common questions
What is Karen Elizabeth Grumstrup, NURSE PRACTITIONER's NPI number?
Karen Elizabeth Grumstrup, NURSE PRACTITIONER's National Provider Identifier (NPI) is 1275756611, issued on Apr 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Karen Elizabeth Grumstrup, NURSE PRACTITIONER located?
The NPPES record lists a practice address at 2207 W Wisconsin Ave, Milwaukee, WI, 53233. Phone: (414) 931-8181. Providers update this record themselves, so call before visiting.
How can I verify Karen Elizabeth Grumstrup, NURSE PRACTITIONER's license?
NPPES lists Wisconsin license number 133735, 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. 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.