Ken Martell, OD
Optometrist · Marathon, WI
Ken Martell, OD is an optometrist with a practice address in Marathon, Wisconsin, and NPI 1386697613, issued on May 18, 2006. Check the license (Wisconsin 2772, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ken Martell
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 2772 WI
Self-reported in NPPES; status is on the state search - Practice location
- 703 3RD St, Marathon, WI 54448
- Phone
- (715) 443-2248
- Enumerated
- May 18, 2006
- Record last updated
- Sep 19, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (715) 443-9969
- Medicare enrollment
- Enrolled (PECOS I20190724002169); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 1999
- Entity
- Type 1 · individual
Verify Ken Martell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 2772Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average optometrist in 2024
109 Medicare Part D claims for 36 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.
Most prescribed
- Latanoprost48 claims
- Xiidra14 claims
- Prednisolone Acetate11 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: $82.01
2 payments; by number, the most common kind was food and beverage; the largest payer was Ocular Therapeutix, 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.
1 optometrist records list a practice address in Marathon
They are 1 of the 22 NPPES records with a practice address in Marathon, 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 Ken Martell, OD's NPI number?
Ken Martell, OD's National Provider Identifier (NPI) is 1386697613, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ken Martell, OD located?
The NPPES record lists a practice address at 703 3RD St, Marathon, WI, 54448. Phone: (715) 443-2248. Providers update this record themselves, so call before visiting.
How can I verify Ken Martell, OD's license?
NPPES lists Wisconsin license number 2772, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Ken Martell, OD prescribe under Medicare Part D?
In 2024, Ken Martell, OD had 109 Medicare Part D claims for 36 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.