Olivia Ertmer
Nurse Practitioner · Neenah, WI
Olivia Ertmer is a nurse practitioner with a practice address in Neenah, Wisconsin, and NPI 1992557565, issued on Apr 4, 2024. Check the license (Wisconsin 15069, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Olivia Ertmer
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 15069 WI
Self-reported in NPPES; status is on the state search - Practice location
- 100 Theda Clark Medical Plz Ste 400, Neenah, WI 54956
- Phone
- (920) 725-4527
- Enumerated
- Apr 4, 2024
- Record last updated
- Apr 4, 2024
- Medicare enrollment
- Enrolled (PECOS I20241126001230); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,995 in Wisconsin → Look up another NPI →
Also registered at 100 Theda Clark Medical Plz Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Katie Hogg, FNP-BCFamily Nurse Practitioner1255172656
- Jessica Robers, PAMedical Physician Assistant1437506110
- Colby Seegmiller, DOSurgery Physician1336558832
Verify Olivia Ertmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 15069Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average nurse practitioner in 2024
17 Medicare Part D claims for 14 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
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: $78.30
3 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 38,884 providers of this specialty with any payment received $791.64 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
- Surgical Associates OF Neenah, S.C.Berlin, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Olivia Ertmer among 3,995 nurse practitioner records in Wisconsin
Olivia Ertmer is one of 3,995 nurse practitioner records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 90% of them.
- NPI issued2024 · 90% of these records are older, 5% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2023 · median 2017 among the 2,701 with a school on file
- Record last updated2024 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
57 nurse practitioner records list a practice address in Neenah
They are 57 of the 919 NPPES records with a practice address in Neenah, and 3,995 nurse practitioner records in Wisconsin.
All 3,995 in Wisconsin → Every provider in Neenah → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Mary Barker, FNP-CNeenah, WI 549561902807639
- Penny Bernards, ARNPNeenah, WI 549561760425573
- Janet Gruendemann, NPNeenah, WI 549561598750903
- Tricia Koch, A.P.N.P.Neenah, WI 549561538263223
- Jane Levine, NPNeenah, WI 549561821105370
- Jessica Lillie, A.P.N.PNeenah, WI 549561932100096
- Christine Munson, NPNeenah, WI 549561427133834
- Kristin Neilsen, NPNeenah, WI 549561902841497
Common questions
What is Olivia Ertmer's NPI number?
Olivia Ertmer's National Provider Identifier (NPI) is 1992557565, issued on Apr 4, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Olivia Ertmer located?
The NPPES record lists a practice address at 100 Theda Clark Medical Plz Ste 400, Neenah, WI, 54956. Phone: (920) 725-4527. Providers update this record themselves, so call before visiting.
How can I verify Olivia Ertmer's license?
NPPES lists Wisconsin license number 15069, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Olivia Ertmer prescribe under Medicare Part D?
In 2024, Olivia Ertmer had 17 Medicare Part D claims for 14 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.