Robert Kessen, O.D.
Optometrist · Wausau, WI
Robert Kessen, O.D. is an optometrist with a practice address in Wausau, Wisconsin, and NPI 1093777815, issued on Apr 5, 2006. Check the license (Wisconsin 2629, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert Kessen
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 2629 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2100 Stewart Ave, Wausau, WI 54401
- Phone
- (715) 845-1988
- Enumerated
- Apr 5, 2006
- Record last updated
- Jul 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20130618000811); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 1995
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,161 in Wisconsin → Look up another NPI →
Verify Robert Kessen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 2629Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average optometrist in 2024
95 Medicare Part D claims for 35 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Latanoprost43 claims
- Timolol Maleate21 claims
- Prednisolone Acetate14 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: $209.30
7 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
- Stine Eye Center, LLCWeston, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Kessen among 1,161 optometrist records in Wisconsin
Robert Kessen, O.D. is one of 1,161 optometrist records with a practice address in Wisconsin. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 50% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1995 · median 2008 among the 752 with a school on file
- Record last updated2026 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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 1,161 in Wisconsin → Every provider in Wausau → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Robert Alexejun, O.D.Wausau, WI 544011235275009
- Erin Daggett, O.D.Wausau, WI 544011215342084
- Richard Felty, O.D.Wausau, WI 544011477667475
- Raymond Goga, ODWausau, WI 544011982676235
- Erin Goga, O.D.Wausau, WI 544011689816753
- Kelsey Koerner, O.D.Wausau, WI 544011659729580
- Gregory Leischer, O.D.Wausau, WI 544011285770065
- R Marquardt, ODWausau, WI 544011417929761
Common questions
What is Robert Kessen, O.D.'s NPI number?
Robert Kessen, O.D.'s National Provider Identifier (NPI) is 1093777815, issued on Apr 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Kessen, O.D. located?
The NPPES record lists a practice address at 2100 Stewart Ave, Wausau, WI, 54401. Phone: (715) 845-1988. Providers update this record themselves, so call before visiting.
How can I verify Robert Kessen, O.D.'s license?
NPPES lists Wisconsin license number 2629, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Robert Kessen, O.D. prescribe under Medicare Part D?
In 2024, Robert Kessen, O.D. had 95 Medicare Part D claims for 35 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.