Mary Jo Byers, O.D.
Optometrist · Iola, WI
Mary Jo Byers, O.D. is an optometrist with a practice address in Iola, Wisconsin, and NPI 1700938867, issued on Jan 17, 2007. Check the license (Wisconsin 2491, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Jo Byers
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 2491 WI
Self-reported in NPPES; status is on the state search - Practice location
- 135 N Main St, Iola, WI 54945
- Phone
- (715) 445-3553
- Enumerated
- Jan 17, 2007
- Record last updated
- May 2, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (715) 445-4970
- Medicaid ID
- 38585900 WI
- Medicare enrollment
- Enrolled (PECOS I20080225000139); accepts Medicare assignment
- Medical or professional school
- Pennsylvania College Of Optometry, 1992
- Entity
- Type 1 · individual
Verify Mary Jo Byers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 2491Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average optometrist in 2024
199 Medicare Part D claims for 59 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Latanoprost64 claims
- Erythromycin27 claims
- Dorzolamide-Timolol22 claims
- Timolol Maleate19 claims
- Neomycin-Polymyxin-Dexameth16 claims
- Restasis Multidose13 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
- Shoptikal LLCWaupaca, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
1 optometrist records list a practice address in Iola
They are 1 of the 23 NPPES records with a practice address in Iola, and 1,161 optometrist records in Wisconsin.
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 Mary Jo Byers, O.D.'s NPI number?
Mary Jo Byers, O.D.'s National Provider Identifier (NPI) is 1700938867, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary Jo Byers, O.D. located?
The NPPES record lists a practice address at 135 N Main St, Iola, WI, 54945. Phone: (715) 445-3553. Providers update this record themselves, so call before visiting.
How can I verify Mary Jo Byers, O.D.'s license?
NPPES lists Wisconsin license number 2491, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Jo Byers, O.D. prescribe under Medicare Part D?
In 2024, Mary Jo Byers, O.D. had 199 Medicare Part D claims for 59 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.