Erin D. Guenther, DO
Infectious Disease Physician · Oshkosh, WI
Erin D. Guenther, DO is an infectious disease physician with a practice address in Oshkosh, Wisconsin, and NPI 1174028161, issued on Mar 29, 2018. Check the license (Wisconsin 73401, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Erin D. Guenther
- Credential
- DO
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 73401 WI
Self-reported in NPPES; status is on the state search - Practice location
- 855 N Westhaven Dr, Oshkosh, WI 54904
- Phone
- (920) 303-8700
- Enumerated
- Mar 29, 2018
- Record last updated
- Aug 16, 2023
- Medicaid ID
- 100099749 WI
- Medicare enrollment
- Enrolled (PECOS I20230706000427); accepts Medicare assignment
- Medical or professional school
- Kansas City University Of Med & Biosciences, College Of Osteo Med, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 171 in Wisconsin → Look up another NPI →
Also registered at 855 N Westhaven Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rami Abumasmah, MDHematology & Oncology Physician1972779551
- Abdulmajid AdamHospitalist Physician1528362258
- Awais Ahmed, MDGastroenterology Physician1316213481
- Kate Alexander, PA-CPhysician Assistant1700466414
- Hussein Alramini, M.D.Hospitalist Physician1497106512
- Ammar Alzoubi, MDInternal Medicine Physician1598773152
Verify Erin D. Guenther in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 73401Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average infectious disease physician in 2024
225 Medicare Part D claims for 58 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Daptomycin27 claims
- Doxycycline Hyclate23 claims
- Vancomycin Hcl17 claims
- Cefadroxil15 claims
- Amoxicillin12 claims
- Moxifloxacin Hcl12 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.Oshkosh, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erin D. Guenther among 171 infectious disease physician records in Wisconsin
Erin D. Guenther, DO is one of 171 infectious disease physician records with a practice address in Wisconsin. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 10% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2018 · median 2004 among the 125 with a school on file
- Record last updated2023 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Wisconsin
There are 171 infectious disease physician records in Wisconsin.
All 171 in Wisconsin → Every provider in Oshkosh → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Brian Temple, MDOshkosh, WI 549041033378856
- Anthony Zeimet, D.O.Appleton, WI 549111902848377
- Corinne Klein, M.D.Appleton, WI 549131730492992
- Barbara Lauderdale, MDNeenah, WI 549561174517965
- Jeremiah Stromich, M.D.Chippewa Falls, WI 547291326466186
- Praharshini Hundt, M.D.Eau Claire, WI 547031790272722
- Raed JabrEau Claire, WI 547031629523287
- Larry Lutwick, M.D.Eau Claire, WI 547031316904162
Common questions
What is Erin D. Guenther, DO's NPI number?
Erin D. Guenther, DO's National Provider Identifier (NPI) is 1174028161, issued on Mar 29, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Erin D. Guenther, DO located?
The NPPES record lists a practice address at 855 N Westhaven Dr, Oshkosh, WI, 54904. Phone: (920) 303-8700. Providers update this record themselves, so call before visiting.
How can I verify Erin D. Guenther, DO's license?
NPPES lists Wisconsin license number 73401, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Erin D. Guenther, DO prescribe under Medicare Part D?
In 2024, Erin D. Guenther, DO had 225 Medicare Part D claims for 58 beneficiaries; the average among infectious disease physician prescribers was 689. 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.