Nathan T. Schlotthauer, OD
Optometrist · Janesville, WI
Nathan T. Schlotthauer, OD is an optometrist with a practice address in Janesville, Wisconsin, and NPI 1790064947, issued on Aug 5, 2011. Check the license (Wisconsin 3437-35, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nathan T. Schlotthauer
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- 3437-35 WI
4901004654 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3200 E Racine St, Janesville, WI 53546
- Phone
- (608) 371-8000
- Enumerated
- Aug 5, 2011
- Record last updated
- Dec 8, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (608) 371-8938
- Medicaid ID
- 1790064947 WI
- Medicare enrollment
- Enrolled (PECOS I20161013002430); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,161 in Wisconsin → Look up another NPI →
Also registered at 3200 E Racine St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Omar Alnaser, M.D.Pediatrics Physician1396474201
- Jenny Amani, M.D.Occupational Medicine Physician1629212899
- Molly ArttusPhysician Assistant1366233041
- Brittany Austin, PA-CMedical Physician Assistant1013226968
- Timothy Axe, DPMPodiatrist1619932621
- Susan Baird, DNP, APRN, FNP-BCNurse Practitioner1225305758
Verify Nathan T. Schlotthauer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3437-35Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% more Medicare Part D claims than the average optometrist in 2024
458 Medicare Part D claims for 125 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
- Latanoprost256 claims
- Timolol Maleate35 claims
- Brimonidine Tartrate31 claims
- Dorzolamide-Timolol28 claims
- Prednisolone Acetate19 claims
- Travoprost12 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
- Dean Health Systems IncJanesville, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan T. Schlotthauer among 1,161 optometrist records in Wisconsin
Nathan T. Schlotthauer, OD 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 2011, is newer than 65% of them.
- NPI issued2011 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2011 · median 2008 among the 752 with a school on file
- Record last updated2020 · 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).
Optometrist providers in Wisconsin
There are 1,161 optometrist records in Wisconsin.
All 1,161 in Wisconsin → Every provider in Janesville → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Larissa Brigham, ODJanesville, WI 535461710554019
- Jeffrey Christianson, O.D.Janesville, WI 535461750499240
- Herbert Webb, O.D.Janesville, WI 535461306830856
- Katherine Beerntsen, ODJanesville, WI 535451114082443
- Aleksandra Czyz, ODJanesville, WI 535451932943685
- Scott Forsythe, ODJanesville, WI 535451295216943
- James Geraets, O.D.Janesville, WI 535451497735864
- William Gilmore, DDSJanesville, WI 535451649290065
Common questions
What is Nathan T. Schlotthauer, OD's NPI number?
Nathan T. Schlotthauer, OD's National Provider Identifier (NPI) is 1790064947, issued on Aug 5, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Nathan T. Schlotthauer, OD located?
The NPPES record lists a practice address at 3200 E Racine St, Janesville, WI, 53546. Phone: (608) 371-8000. Providers update this record themselves, so call before visiting.
How can I verify Nathan T. Schlotthauer, OD's license?
NPPES lists Wisconsin license number 3437-35, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Nathan T. Schlotthauer, OD prescribe under Medicare Part D?
In 2024, Nathan T. Schlotthauer, OD had 458 Medicare Part D claims for 125 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.