Jennafer Ziemer, OD
Optometrist · Oshkosh, WI
Jennafer Ziemer, OD is an optometrist with a practice address in Oshkosh, Wisconsin, and NPI 1700550886, issued on Aug 3, 2021. Check the license (Wisconsin 3699-35, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jennafer Ziemer
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 3699-35 WI
Self-reported in NPPES; status is on the state search - Practice location
- 251 N Sawyer St, Oshkosh, WI 54902
- Phone
- (920) 235-5530
- Enumerated
- Aug 3, 2021
- Record last updated
- Sep 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210823001267); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 251 N Sawyer St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ryan Ames, ODOptometrist1265638217
- John Anderson, ODOptometrist1194718122
- Hayden Matz, ODOptometrist1689272502
Verify Jennafer Ziemer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3699-35Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average optometrist in 2024
29 Medicare Part D claims for 19 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of 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.
Industry payments in 2024: $136.36
3 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 34,453 providers of this specialty with any payment received $769.99 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
- Shoptikal LLCAppleton, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
25 optometrist records list a practice address in Oshkosh
They are 25 of the 1,527 NPPES records with a practice address in Oshkosh, and 1,161 optometrist records in Wisconsin.
All 25 in Oshkosh → All 1,161 in Wisconsin → Every provider in Oshkosh →
Other optometrist records in Wisconsin
- Katie Abata, O.D.Appleton, WI1043646623
- Brianna Adams, ODStoughton, WI1093605222
- Gerald Adams, ODWestby, WI1760479182
- James AdamsPortage, WI1154007953
- Lawrence Addison, O.D.Weston, WI1760794697
- Farzana AkterWaupun, WI1346821725
- Margarette Elaine Alcesto, ODShorewood, WI1669984563
- Robert Alexejun, O.D.Wausau, WI1235275009
- Carmen Alfonso-Kneiert, ODFort Atkinson, WI1710938634
- Jennifer Alvarez, O.D.Brookfield, WI1316255805
Common questions
What is Jennafer Ziemer, OD's NPI number?
Jennafer Ziemer, OD's National Provider Identifier (NPI) is 1700550886, issued on Aug 3, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Jennafer Ziemer, OD located?
The NPPES record lists a practice address at 251 N Sawyer St, Oshkosh, WI, 54902. Phone: (920) 235-5530. Providers update this record themselves, so call before visiting.
How can I verify Jennafer Ziemer, OD's license?
NPPES lists Wisconsin license number 3699-35, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Jennafer Ziemer, OD prescribe under Medicare Part D?
In 2024, Jennafer Ziemer, OD had 29 Medicare Part D claims for 19 beneficiaries; the average among optometrist prescribers was 277. 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.