Registry data as of Aug 27, 2026

Cheryl Ziegler, O.D.

Optometrist · Plymouth, WI

Cheryl Ziegler, O.D. is an optometrist with a practice address in Plymouth, Wisconsin, and NPI 1013999440, issued on Nov 21, 2005. Check the license with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1013999440
Name
Cheryl Ziegler
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
Practice location
300 E Mill St, Plymouth, WI 53073
Phone
(920) 893-8474
Enumerated
Nov 21, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 300 E Mill St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Timothy Ziegler, O.D.Optometrist1750364873

Verify Cheryl Ziegler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

63% more Medicare Part D claims than the average optometrist in 2024

455 Medicare Part D claims for 150 beneficiaries, against an average of 279 among the 32,314 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.

  1. Cheryl Ziegler455
  2. Specialty average279

Most prescribed

  1. Latanoprost152 claims
  2. Timolol Maleate58 claims
  3. Neomycin-Polymyxin-Dexameth45 claims
  4. Dorzolamide-Timolol32 claims
  5. Prednisolone Acetate24 claims
  6. Erythromycin20 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: $487.61

19 payments, mostly food and beverage; the largest payer was Bausch & Lomb Americas Inc.. The 33,561 providers of this specialty with any payment received $749.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Cheryl Ziegler$487.61
  2. Specialty average$749.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Advanced Eyecare, SCPlymouth, WI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

8 optometrist records list a Plymouth practice address

They are 8 of the 200 NPPES records with a Plymouth practice address, and 1,142 optometrist records in Wisconsin.

Other optometrist records in Wisconsin

  1. Katie Abata, O.D.Appleton, WI1043646623
  2. Brianna Adams, ODStoughton, WI1093605222
  3. Gerald Adams, ODWestby, WI1760479182
  4. James AdamsPortage, WI1154007953
  5. Lawrence Addison, O.D.Weston, WI1760794697
  6. Farzana AkterWaupun, WI1346821725
  7. Margarette Elaine Alcesto, ODShorewood, WI1669984563
  8. Robert Alexejun, O.D.Wausau, WI1235275009
  9. Carmen Alfonso-Kneiert, ODFort Atkinson, WI1710938634
  10. Jennifer Alvarez, O.D.Brookfield, WI1316255805

Common questions

What is Cheryl Ziegler, O.D.'s NPI number?

Cheryl Ziegler, O.D.'s National Provider Identifier (NPI) is 1013999440, issued on Nov 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Cheryl Ziegler, O.D. located?

The NPPES record lists a practice address at 300 E Mill St, Plymouth, WI, 53073. Phone: (920) 893-8474. Providers update this record themselves, so call before visiting.

How can I verify Cheryl Ziegler, O.D.'s license?

Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Cheryl Ziegler, O.D. prescribe under Medicare Part D?

In 2024, Cheryl Ziegler, O.D. had 455 Medicare Part D claims for 150 beneficiaries; the average among optometrist prescribers was 279. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.