Kenneth V. Ostermann, M.D.
Obstetrics & Gynecology Physician · Beaver Dam, WI
Kenneth V. Ostermann, M.D. is an obstetrics & gynecology physician with a practice address in Beaver Dam, Wisconsin, and NPI 1851386213, issued on Sep 13, 2005. Check the license (Wisconsin 36431, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Kenneth V. Ostermann
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 36431 WI
Self-reported in NPPES; status is on the state search - Practice location
- 705 S University Ave, Beaver Dam, WI 53916
- Phone
- (920) 885-6090
- Enumerated
- Sep 13, 2005
- Record last updated
- Nov 17, 2022
- Fax
- (920) 885-6092
- Medicaid ID
- 32121200 WI
- Medicare enrollment
- Enrolled (PECOS I20100819000548); accepts Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 796 in Wisconsin → Look up another NPI →
Also registered at 705 S University Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Augustson, MDFamily Medicine Physician1770534208
- Seth Barudin, MDFamily Medicine Physician1821051640
- Marie Berry, APNPNurse Practitioner1164473591
- Ronay BjerkePharmacist1871847731
- William Bull, MDInternal Medicine Physician1104511179
- Edward Cody, MDFamily Medicine Physician1144271677
Verify Kenneth V. Ostermann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 36431Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
274 Medicare Part D claims for 84 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.
Most prescribed
- Myrbetriq95 claims
- Estradiol23 claims
- Methenamine Hippurate20 claims
- Gemtesa16 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 75.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Prairie Ridge Health IncColumbus, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kenneth V. Ostermann among 796 obstetrics & gynecology physician records in Wisconsin
Kenneth V. Ostermann, M.D. is one of 796 obstetrics & gynecology physician records with a practice address in Wisconsin. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1987 · median 2007 among the 478 with a school on file
- Record last updated2022 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Wisconsin
There are 796 obstetrics & gynecology physician records in Wisconsin.
All 796 in Wisconsin → Every provider in Beaver Dam → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Mary Ostermann, M.D.Beaver Dam, WI 539161467447649
- Leslie Alzuhn-Hansen, MDColumbus, WI 539251508871096
- Brenda Jenkin, MDPortage, WI 539011386610301
- Michael Pech, MDMauston, WI 539481093822322
- James Speichinger, M.D.Mauston, WI 539481700873270
- Christine Trautman, M.D.Reedsburg, WI 539591396900338
- Michelle Bahn-Palma, D.O.Waupun, WI 539631417113747
- Scott Hansfield, MDWaupun, WI 539631982695326
Common questions
What is Kenneth V. Ostermann, M.D.'s NPI number?
Kenneth V. Ostermann, M.D.'s National Provider Identifier (NPI) is 1851386213, issued on Sep 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth V. Ostermann, M.D. located?
The NPPES record lists a practice address at 705 S University Ave, Beaver Dam, WI, 53916. Phone: (920) 885-6090. Providers update this record themselves, so call before visiting.
How can I verify Kenneth V. Ostermann, M.D.'s license?
NPPES lists Wisconsin license number 36431, 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 Kenneth V. Ostermann, M.D. prescribe under Medicare Part D?
In 2024, Kenneth V. Ostermann, M.D. had 274 Medicare Part D claims for 84 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Kenneth V. Ostermann, M.D.'s MIPS final score?
The 2023 MIPS final score is 75.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.