R Christopher Marquardt, OD
Optometrist · Wausau, WI
R Christopher Marquardt, OD is an optometrist with a practice address in Wausau, Wisconsin, and NPI 1417929761, issued on Feb 2, 2006. Check the license (Wisconsin 2446, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- R Christopher Marquardt
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 2446 WI
Self-reported in NPPES; status is on the state search - Practice location
- 515 N 17TH Ave, Wausau, WI 54401
- Phone
- (715) 848-1246
- Enumerated
- Feb 2, 2006
- Record last updated
- Sep 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (715) 842-1660
- Medicaid ID
- 38590600 WI
- Medicare enrollment
- Enrolled (PECOS I20050825000971); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 1991
- Entity
- Type 1 · individual
Also registered at 515 N 17TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erin Goga, O.D.Optometrist1689816753
- Raymond Goga, ODOptometrist1982676235
- Jeffrey Sarazen, ODOptometrist1932171816
Verify R Christopher Marquardt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 2446Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average optometrist in 2024
63 Medicare Part D claims for 23 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.
Most prescribed
- Timolol Maleate16 claims
- Latanoprost12 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: $303.88
13 payments; by number, the most common kind was food and beverage; the largest payer was Oyster Point Pharma, Inc. 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
- Envision Eyecare, LLCWausau, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
27 optometrist records list a practice address in Wausau
They are 27 of the 1,958 NPPES records with a practice address in Wausau, and 1,161 optometrist records in Wisconsin.
All 27 in Wausau → All 1,161 in Wisconsin → Every provider in Wausau →
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 R Christopher Marquardt, OD's NPI number?
R Christopher Marquardt, OD's National Provider Identifier (NPI) is 1417929761, issued on Feb 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is R Christopher Marquardt, OD located?
The NPPES record lists a practice address at 515 N 17TH Ave, Wausau, WI, 54401. Phone: (715) 848-1246. Providers update this record themselves, so call before visiting.
How can I verify R Christopher Marquardt, OD's license?
NPPES lists Wisconsin license number 2446, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does R Christopher Marquardt, OD prescribe under Medicare Part D?
In 2024, R Christopher Marquardt, OD had 63 Medicare Part D claims for 23 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.