
Meet Our Physicians
When your vision is in jeopardy because of a retinal condition, you need to trust your care to experienced, board-certified professionals.
The medical specialists at Retina Associates, PA, are highly trained ophthalmologists who are solely focused on treating retinal conditions.
Learn more about our eye doctors practicing in Lenexa, Kansas City, Topeka, and other locations throughout Kansas and Missouri…
David S. Dyer, M.D., F.A.C.S.
- Graduated from University of Kansas School of Medicine
- Ophthalmology Resident at Storm Eye Institute/Medical University of South Carolina
- Retina Fellowships at The Wilmer Ophthalmological Institute/The Johns Hopkins University, Baltimore, MD and Rush- Presbyterian St. Luke’s Medical Center, Chicago, IL
- Board Certified by the American Board of Ophthalmology

Gregory M. Fox, M.D., F.A.C.S.
- Graduated from the University of Michigan Medical School
- Ophthalmology Resident at Bascom Palmer Eye Institute/The University of Miami School of Medicine
- Retina Fellowships at Bascom Palmer Eye Institute and William Beaumont Hospital, Royal Oak, MI
- Board Certified by the American Board of Ophthalmology

Blake A. Cooper, M.D., F.A.C.S.
- Graduated from Chicago Medical School
- Ophthalmology Resident at Barnes-Jewish Hospital/Washington University Medical Center, St. Louis, MO
- Retina Fellowship at Barnes Retina Institute/Washington University Medical Center, St. Louis, MO
- Board Certified by the American Board of Ophthalmology

Ernest D. Kovarik, M.D., F.A.C.S. (Retired)
- Graduated from University of Nebraska School of Medicine
- Preceptorship in Ophthalmology at University of Nebraska Department of Ophthalmology
- Ophthalmology Resident at the University of Kansas Medical School

Ivan R. Batlle, M.D., F.A.C.S.
- Graduated from Tulane University School of Medicine, New Orleans, LA
- Ophthalmology Resident at Bascom Palmer Eye Institute/The University of Miami School of Medicine
- Retina Fellowship at the Touro Infirmary/The Foundation for Retinal Research, New Orleans, LA
- Board Certified by the American Board of Ophthalmology

Ryan D. Christensen, M.D.
- Graduated from University of Kansas School of Medicine
- Ophthalmology Resident at University of Kansas School of Medicine
- Retina Fellowship at Retina Associates, P.A., Shawnee Mission, KS
- Board Certified by the American Board of Ophthalmology

Beatty G. Suiter, M.D., F.A.C.S.
- Graduated from University of Kansas School of Medicine
- Ophthalmology Resident at University of Kansas School of Medicine
- Retina Fellowship at Retina Associates, P.A., Shawnee Mission, KS
- Board Certified by the American Board of Ophthalmology

Ravi S. J. Singh, M.D.
- Graduated from the Government Medical College/Punjabi University, Patiala, Punjab, India
- Ophthalmology Resident at Penn State Hershey Eye Center/Penn State College of Medicine
- Post-Doctoral Research Fellowship at Penn State Retina Research Group/Pennsylvania State University
- Retina Fellowship at The Medical College of Wisconsin
- Board Certified by the American Board of Ophthalmology

Steven R. Cohen, M.D.
- Graduated from University of Missouri-Kansas City School of Medicine
- Ophthalmology Resident at University of Texas Health Science Center, San Antonio
- Retina Fellowship at University of Michigan, Kellogg Eye Center
- Board Certified by the American Board of Ophthalmology

Daniel L. Feiler, M.D.
- Graduated from University of Rochester, School of Medicine and Dentistry
- Ophthalmology Resident at Cole Eye Institute, Cleveland Clinic
- Retina Fellowship at University of Iowa, Department of Ophthalmology and Visual Sciences
- Board Certified by the American Board of Ophthalmology

Patients Highly Recommend Our Doctors Real Five-Star Reviews
Been going for years. The front staff are polite and courteous. Dr. Dyer and staff, go out of their way to try and solve your issue.
Dr Fox is very professional; AND he answers questions in a way that is understandable! I think he is great and someone needs to know that!
A Vision to Be the Best
