Sarah E. Gelhaar, NP
Nurse Practitioner · Milwaukee, WI
Sarah E. Gelhaar, NP is a nurse practitioner with a practice address in Milwaukee, Wisconsin, and NPI 1992318091, issued on Aug 28, 2020. Check the license (Wisconsin 10473, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sarah E. Gelhaar
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 10473 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2900 W Oklahoma Ave, Milwaukee, WI 53215
- Phone
- (414) 649-6000
- Enumerated
- Aug 28, 2020
- Record last updated
- Oct 16, 2023
- Medicaid ID
- 100120813 WI
- Medicare enrollment
- Enrolled (PECOS I20201103002413); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 2900 W Oklahoma Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sarah E. Gelhaar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 10473Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average nurse practitioner in 2024
75 Medicare Part D claims for 31 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Torsemide16 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.
Bills Medicare through one group practice
- Aurora Medical Group, Inc.New Berlin, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
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.
All 695 in Milwaukee → All 3,995 in Wisconsin → Every provider in Milwaukee →
Other nurse practitioner records in Wisconsin
- Caroline Aaberg, APNPMadison, WI1881384394
- Joyce Abbott, APNPOshkosh, WI1003824665
- 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 Sarah E. Gelhaar, NP's NPI number?
Sarah E. Gelhaar, NP's National Provider Identifier (NPI) is 1992318091, issued on Aug 28, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Sarah E. Gelhaar, NP located?
The NPPES record lists a practice address at 2900 W Oklahoma Ave, Milwaukee, WI, 53215. Phone: (414) 649-6000. Providers update this record themselves, so call before visiting.
How can I verify Sarah E. Gelhaar, NP's license?
NPPES lists Wisconsin license number 10473, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Sarah E. Gelhaar, NP prescribe under Medicare Part D?
In 2024, Sarah E. Gelhaar, NP had 75 Medicare Part D claims for 31 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.