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Retina Specialists in Wisconsin

Data updated monthly · Last refresh October 2026

27 Retina Specialist (Ophthalmology) providers practice in Wisconsin. The largest concentration is in Milwaukee. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

27providers
Milwaukeetop city

Retina Specialist (Ophthalmology) by city in Wisconsin

Choose a city to see providers there.

Retina Specialist (Ophthalmology) in Milwaukee8 providers
Retina Specialist (Ophthalmology) in Neenah4 providers
Retina Specialist (Ophthalmology) in Green Bay3 providers
Retina Specialist (Ophthalmology) in Appleton3 providers
Retina Specialist (Ophthalmology) in Greenfield3 providers
Retina Specialist (Ophthalmology) in Eau Claire2 providers
Retina Specialist (Ophthalmology) in Madison1 providers
Retina Specialist (Ophthalmology) in Kenosha1 providers
Retina Specialist (Ophthalmology) in La Crosse1 providers
Retina Specialist (Ophthalmology) in Sturgeon Bay1 providers

Where Retina Specialists in Wisconsin practice

From CMS Medicare enrollment records covering 22 of the 27 providers listed here (81%). Providers who do not bill Medicare are not included in these figures.

59%solo or small practice (under 10 clinicians)
0%mid-size group (10 to 99)
41%large group or health system (100+)

Largest practice groups

Group (as registered with Medicare)Retina SpecialistsAll clinicians in groupMain city
Northeast Wisconsin Retina Associates SC67Oshkosh
Baycare Clinic LLP3197Green Bay
Retina and Vitreous Consultants of Wi, LTD.33Milwaukee
Advanced Retina S.C.33Greenfield
The Medical College of Wisconsin Inc.22,092Milwaukee

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingRetina Specialists affiliated
Aurora St Lukes Medical CenterMilwaukeeNonprofit4 of 56
Thedacare Regional Med Ctr - NeenahNeenahNonprofit4 of 55
Mayo Clinic Health System Eau Claire HospitalEau ClaireNonprofit5 of 53
St Vincent HospitalGreen BayNonprofit4 of 52
Froedtert Memorial Lutheran HospitalMilwaukeeNonprofit3 of 52

Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.

Retina Specialist (Ophthalmology) providers in Wisconsin

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Anthony Parendo, M.D.
Appleton, WI · No drug or device payments recorded (2025) · (920) 751-8666
Dr. Benjamin Ernst, M.D.
Appleton, WI · $44 in drug and device payments (2025) · (920) 751-8666
Dr. Michael Possin, M.D.
Appleton, WI · No drug or device payments recorded (2025) · (920) 751-8666
Dr. Sunday Olatunji, M.D.
Eau Claire, WI · No drug or device payments recorded (2025) · (715) 838-5222
Dr. Wayne Wu, MD
Eau Claire, WI · No drug or device payments recorded (2025) · (715) 838-5222
Dr. Brian Perkovich, MD
Green Bay, WI · No drug or device payments recorded (2025) · (920) 327-7000
Dr. Jeffrey Shere, MD
Green Bay, WI · $105 in drug and device payments (2025) · (920) 327-7000
Dr. Wei-chuan Wang, MD
Green Bay, WI · $30 in drug and device payments (2025) · (920) 327-7000
Dr. Joshua Agranat, MD
Greenfield, WI · $284 in drug and device payments (2025) · (262) 510-0300
Dr. Olufemi Adams, MD
Greenfield, WI · $309 in drug and device payments (2025) · (262) 510-0300
Dr. Ryan Vogel, MD
Greenfield, WI · $786 in drug and device payments (2025) · (262) 510-0300
Dr. Clinton Warren, M.D.
Kenosha, WI · $228 in drug and device payments (2025) · (262) 420-5888
Dr. Michael Scott, M.D.
La Crosse, WI · No drug or device payments recorded (2025) · (608) 785-0940
Dr. Paige Arthur, MD
Madison, WI · No drug or device payments recorded (2025) · (231) 668-1963
Dr. Christopher Langlo, MD, PHD
Milwaukee, WI · $110 in drug and device payments (2025) · (414) 955-2020
Dr. Jennifer Adeghate, MD, PHD
Milwaukee, WI · $218 in drug and device payments (2025) · (414) 955-2020
Dr. Jonathan Hershey, M.D.
Milwaukee, WI · No drug or device payments recorded (2025) · (414) 774-3484
Dr. Kevin Elwood, MD
Milwaukee, WI · $353 in drug and device payments (2025) · (414) 774-3484
Dr. Lincoln Shaw
Milwaukee, WI · $2,656 in drug and device payments (2025) · (773) 702-3937
Dr. Nicholas Tosi, MD
Milwaukee, WI · $2,716 in drug and device payments (2025) · (414) 774-3484
Dr. Razek Georges Coussa, MDCM, MPHIL, MENG
Milwaukee, WI · $2,460 in drug and device payments (2025) · (414) 774-3484
Dr. Sharath Raja, M.D.
Milwaukee, WI · No drug or device payments recorded (2025) · (414) 774-3484
Dr. Charles Hejny, MD
Neenah, WI · No drug or device payments recorded (2025) · (920) 751-8666
Dr. John Rosculet, MD
Neenah, WI · No drug or device payments recorded (2025) · (920) 751-8666
Dr. Khalid Kahook, M.D.,
Neenah, WI · $36 in drug and device payments (2025) · (920) 751-8666
Dr. Rajeev Buddi, MD
Neenah, WI · No drug or device payments recorded (2025) · (920) 751-8666
Dr. Kirk Scattergood, MD
Sturgeon Bay, WI · No drug or device payments recorded (2025) · (920) 743-9532

Common questions

How many Retina Specialist (Ophthalmology) providers are in Wisconsin?

There are 27 Retina Specialist (Ophthalmology) providers with active NPI records practicing in Wisconsin, according to federal NPPES data refreshed monthly.

Which cities in Wisconsin have the most Retina Specialist (Ophthalmology) providers?

Milwaukee (8), Neenah (4), Green Bay (3) have the highest concentration of Retina Specialist (Ophthalmology) providers in Wisconsin.

How many Retina Specialist (Ophthalmology) providers in Wisconsin received drug or device company payments?

14 of 27 Retina Specialist (Ophthalmology) providers in Wisconsin (52%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Do most Retina Specialists in Wisconsin work in independent practices or large health systems?

Among 22 Retina Specialists in Wisconsin enrolled in Medicare, 59% bill through a solo or small practice with fewer than 10 clinicians, 0% through a mid-size group of 10 to 99, and 41% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Retina Specialists in Wisconsin work at?

According to CMS facility affiliation records, the Wisconsin hospitals where the most Retina Specialists hold privileges are Aurora St Lukes Medical Center in Milwaukee; Thedacare Regional Med Ctr - Neenah in Neenah; Mayo Clinic Health System Eau Claire Hospital in Eau Claire.

Retina Specialist (Ophthalmology) in all 50 states Search all 27 in the directory Ask Zach for help choosing

Related

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Retina Specialist (Ophthalmology) in Wisconsin? Get featured.