Erin D. Dunphy, OD
Optometrist · Janesville, WI
Erin D. Dunphy, OD is an optometrist with a practice address in Janesville, Wisconsin, and NPI 1639252851, issued on Oct 23, 2006. Check the license (Wisconsin 2677, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Erin D. Dunphy
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 2677 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1010 N Washington St, Janesville, WI 53548
- Phone
- (608) 741-6799
- Enumerated
- Oct 23, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 38602700 WI
- Medicare enrollment
- Enrolled (PECOS I20040126000922); accepts Medicare assignment
- Medical or professional school
- Southern College Of Optometry, 1997
- Entity
- Type 1 · individual
Also registered at 1010 N Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauri Ashley, LMTMassage Therapist1528456571
- Julie Bayus, RDRegistered Dietitian1275993271
- Karen Bridge, DCChiropractor1285790295
- Nikolina Brkovic, RDRegistered Dietitian1467993360
- Lindsey Carlstrom Whitehead, OTROccupational Therapist1225205701
- Dennis Dawiedczyk, RPHPharmacist1831322908
Verify Erin D. Dunphy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 2677Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average optometrist in 2024
614 Medicare Part D claims for 202 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.
Most prescribed
- Latanoprost360 claims
- Neomycin-Polymyxin-Dexameth35 claims
- Restasis34 claims
- Cyclosporine27 claims
- Erythromycin24 claims
- Brimonidine Tartrate18 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
- Mercy Health System CorporationJanesville, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Optometrist providers in Wisconsin
There are 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 Erin D. Dunphy, OD's NPI number?
Erin D. Dunphy, OD's National Provider Identifier (NPI) is 1639252851, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Erin D. Dunphy, OD located?
The NPPES record lists a practice address at 1010 N Washington St, Janesville, WI, 53548. Phone: (608) 741-6799. Providers update this record themselves, so call before visiting.
How can I verify Erin D. Dunphy, OD's license?
NPPES lists Wisconsin license number 2677, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Erin D. Dunphy, OD prescribe under Medicare Part D?
In 2024, Erin D. Dunphy, OD had 614 Medicare Part D claims for 202 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.