Jennifer J. Thyssen, NP
Nurse Practitioner · Eau Claire, WI
Jennifer J. Thyssen, NP is a nurse practitioner with a practice address in Eau Claire, Wisconsin, and NPI 1144453176, issued on Aug 25, 2009. Check the license (Wisconsin 3815, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jennifer J. Thyssen
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 3815 WI
125735 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Whipple St, Eau Claire, WI 54703
- Phone
- (715) 838-5222
- Enumerated
- Aug 25, 2009
- Record last updated
- Sep 2, 2022
- Medicare enrollment
- Enrolled (PECOS I20090908000344); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,995 in Wisconsin → Look up another NPI →
Also registered at 1221 Whipple St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jennifer J. Thyssen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3815Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average nurse practitioner in 2024
86 Medicare Part D claims for 64 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Doxycycline Monohydrate12 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
- Mayo Clinic Health System-Northwest Wisconsin Region IncEau Claire, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer J. Thyssen among 3,995 nurse practitioner records in Wisconsin
Jennifer J. Thyssen, NP 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 2009, is newer than 26% of them.
- NPI issued2009 · 26% of these records are older, 72% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2009 · median 2017 among the 2,701 with a school on file
- Record last updated2022 · 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).
184 nurse practitioner records list a practice address in Eau Claire
They are 184 of the 3,085 NPPES records with a practice address in Eau Claire, and 3,995 nurse practitioner records in Wisconsin.
All 3,995 in Wisconsin → Every provider in Eau Claire → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Ann Bohrer, NPEau Claire, WI 547031861441032
- Theresa Brunetto, NPEau Claire, WI 547031972532596
- Kerri Crank, NPEau Claire, WI 547031275506792
- Kim Edson, NPEau Claire, WI 547031518985456
- Susan Girdhari, NPEau Claire, WI 547031093782328
- Kaye Krave, NPEau Claire, WI 547031275500506
- Kathleen Kuznar, NPEau Claire, WI 547031194787663
- Lisa O'Neill, NPEau Claire, WI 547031427010990
Common questions
What is Jennifer J. Thyssen, NP's NPI number?
Jennifer J. Thyssen, NP's National Provider Identifier (NPI) is 1144453176, issued on Aug 25, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer J. Thyssen, NP located?
The NPPES record lists a practice address at 1221 Whipple St, Eau Claire, WI, 54703. Phone: (715) 838-5222. Providers update this record themselves, so call before visiting.
How can I verify Jennifer J. Thyssen, NP's license?
NPPES lists Wisconsin license number 3815, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Jennifer J. Thyssen, NP prescribe under Medicare Part D?
In 2024, Jennifer J. Thyssen, NP had 86 Medicare Part D claims for 64 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.