Anthony Parendo, M.D.
Retina Specialist (Ophthalmology) Physician · Appleton, WI
Anthony Parendo, M.D. is a retina specialist (ophthalmology) physician with a practice address in Appleton, Wisconsin, and NPI 1043690233, issued on Jun 3, 2015. Check the license (Wisconsin 7549520, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Anthony Parendo
- Credential
- M.D.
- Primary taxonomy
- Retina Specialist (Ophthalmology) Physician 207WX0107X
- License numbers
- 7549520 WI
4301117444 MI
Self-reported in NPPES; status is on the state search - Practice location
- 442 N Westhill Blvd Ste A, Appleton, WI 54914
- Phone
- (920) 751-8666
- Enumerated
- Jun 3, 2015
- Record last updated
- Aug 29, 2023
- Fax
- (920) 751-0288
- Medicare enrollment
- Enrolled (PECOS I20210628000424); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest retina specialist (ophthalmology) physician records → All 27 in Wisconsin → Look up another NPI →
Also registered at 442 N Westhill Blvd Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Benjamin Ernst, M.D.Retina Specialist (Ophthalmology) Physician1518162247
- Michael Possin, M.D.Retina Specialist (Ophthalmology) Physician1811253289
Verify Anthony Parendo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 7549520Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024
344 Medicare Part D claims for 103 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Ketorolac Tromethamine119 claims
- Prednisolone Acetate81 claims
- Brimonidine Tartrate25 claims
- Dorzolamide Hcl24 claims
- Acetazolamide18 claims
- Timolol Maleate13 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
- Northeast Wisconsin Retina Associates SCOshkosh, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anthony Parendo among 27 retina specialist (ophthalmology) physician records in Wisconsin
Anthony Parendo, M.D. is one of 27 retina specialist (ophthalmology) physician records with a practice address in Wisconsin. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 67% of them.
- NPI issued2015 · 67% of these records are older, 30% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated2005 · median 2011 among the 23 with a school on file
- Record last updated2023 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Retina Specialist (Ophthalmology) Physician providers in Wisconsin
There are 27 retina specialist (ophthalmology) physician records in Wisconsin.
All 27 in Wisconsin → Every provider in Appleton → Retina Specialist (Ophthalmology) Physician nationwide →
The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes
- Benjamin Ernst, M.D.Appleton, WI 549141518162247
- Michael Possin, M.D.Appleton, WI 549141811253289
- Rajeev Buddi, MDNeenah, WI 549561700819281
- Charles Hejny, MDNeenah, WI 549561922013671
- Khalid Kahook, M.D.,Neenah, WI 549561356640726
- John Rosculet, MDNeenah, WI 549561679580070
- Sunday Olatunji, M.D.Eau Claire, WI 547031316131956
- Wayne Wu, MDEau Claire, WI 547011720015621
Common questions
What is Anthony Parendo, M.D.'s NPI number?
Anthony Parendo, M.D.'s National Provider Identifier (NPI) is 1043690233, issued on Jun 3, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Anthony Parendo, M.D. located?
The NPPES record lists a practice address at 442 N Westhill Blvd Ste A, Appleton, WI, 54914. Phone: (920) 751-8666. Providers update this record themselves, so call before visiting.
How can I verify Anthony Parendo, M.D.'s license?
NPPES lists Wisconsin license number 7549520, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Anthony Parendo, M.D. prescribe under Medicare Part D?
In 2024, Anthony Parendo, M.D. had 344 Medicare Part D claims for 103 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. 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.