Joseph John Krupka, O.D.
Optometrist · Appleton, WI
Joseph John Krupka, O.D. is an optometrist with a practice address in Appleton, Wisconsin, and NPI 1407966658, issued on Aug 30, 2006. Check the license (Wisconsin 2613, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joseph John Krupka
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 2613 WI
Self-reported in NPPES; status is on the state search - Practice location
- 955 Mutual Way, Appleton, WI 54913
- Phone
- (920) 954-6600
- Enumerated
- Aug 30, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (920) 954-7671
- Medicare enrollment
- Enrolled (PECOS I20080229000538); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 1994
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,161 in Wisconsin → Look up another NPI →
Verify Joseph John Krupka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 2613Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average optometrist in 2024
49 Medicare Part D claims for 24 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 92% of claims.
Most prescribed
- Xiidra29 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
- Shoptikal LLCAppleton, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph John Krupka among 1,161 optometrist records in Wisconsin
Joseph John Krupka, 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
- Graduated1994 · median 2008 among the 752 with a school on file
- Record last updated2007 · 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).
43 optometrist records list a practice address in Appleton
They are 43 of the 3,249 NPPES records with a practice address in Appleton, and 1,161 optometrist records in Wisconsin.
All 1,161 in Wisconsin → Every provider in Appleton → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Samantha Czerniak, ODAppleton, WI 549131700484003
- Richard Davison, O.D.Appleton, WI 549131629147137
- Rosembrandt Gonzalez, ODAppleton, WI 549131346169604
- Aaron Gruber, O.D.Appleton, WI 549131548558869
- Nicholas Hafeman, O.D.Appleton, WI 549131114074416
- Korbin Kierstead, ODAppleton, WI 549131558154021
- Louise Marquardt, O.D.Appleton, WI 549131194873950
- Jill Anderson, O.D.Appleton, WI 549141366422735
Common questions
What is Joseph John Krupka, O.D.'s NPI number?
Joseph John Krupka, O.D.'s National Provider Identifier (NPI) is 1407966658, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph John Krupka, O.D. located?
The NPPES record lists a practice address at 955 Mutual Way, Appleton, WI, 54913. Phone: (920) 954-6600. Providers update this record themselves, so call before visiting.
How can I verify Joseph John Krupka, O.D.'s license?
NPPES lists Wisconsin license number 2613, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Joseph John Krupka, O.D. prescribe under Medicare Part D?
In 2024, Joseph John Krupka, O.D. had 49 Medicare Part D claims for 24 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.