Highlights
Age Groups Seen
- Adult
Languages
- English
Gender
MaleAbout Gregory Kosmorsky
Biography
Gregory S. Kosmorsky, DO, is a Staff Physician in the Department of Ophthalmology at Cleveland Clinic Cole Eye Institute.
Dr. Kosmorsky's clinical interests include Neuro Ophthalmology. He has been named a "Best Doctor" by Cleveland Magazine (2007-2008).
He completed his DO at Philadelphia College of Osteopathic Medicine in Philadelphia, Pa., in 1979. Then he finished a rotating internship at Delaware Valley Medical Center, Langhorne, Pa., and a residency focusing on adult neurology at Temple University Hospital in Philadelphia, Pa. He completed two fellowships, the first in ophthalmology at Cleveland Clinic and a second one in neurology/ophthalmology at Washington University Medical Center in St. Louis, Mo.
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Education & Board Certifications
Education
- Fellowship: Cleveland Clinic, 1987
- Fellowship: Washington University Medical Center, 1984
- Residency: Temple University Hospital, 1983
- Internship: Delaware Valley Medical Center, 1980
- Medical Education: Philadelphia College of Osteopathic Medicine, 1979
- Undergraduate: Temple University, 1975
Board Certifications
- Ophthalmology: American Board of Ophthalmology, 1989
- Neurology: American Board of Psychiatry & Neurology, 1986
Additional Training
Washington University Medical Center - Neurology/Ophthalmology Fellowship
Cleveland Clinic - Ophthalmology Fellowship
Temple University Hospital - Adult Neurology Residency
Delaware Valley Medical Center - Rotating Internship
Philadelphia College of Osteopathic Medicine - DO
Awards
- Cleveland Magazine, Best Doctors 2007-2008
Professional Memberships
Research & Publications
See publications for this provider. (Disclaimer: This search is powered by PubMed, a service of the U.S. National Library of Medicine. PubMed is a third-party website with no affiliation with Cleveland Clinic.)
Industry Relationships
Cleveland Clinic physicians and scientists collaborate with industry to advance medical breakthroughs. These partnerships help commercialize discoveries for public benefit while maintaining scientific integrity. To ensure transparency and minimize potential bias, Cleveland Clinic reviews these relationships and publicly discloses when physicians/scientists receive significant compensation for consulting, serve in fiduciary roles, receive royalties, or hold equity interests related to their work. We manage potential conflicts through approval processes, annual reporting, and targeted management plans.
As of 2026-01-12, Dr. Kosmorsky has reported no financial relationship with industry that is applicable to this listing.
In general, patients should feel free to contact their doctor about any of the relationships and how the relationships are overseen by Cleveland Clinic. To learn more about Cleveland Clinic's policies on collaborations with industry and innovation management, go to our Integrity in Innovation page.
Public Health Service-Reportable Financial Conflicts of Interest. Cleveland Clinic scientists and physicians engage in basic, translational and clinical research activities, working to solve health problems, enhance patient care and improve quality of life for patients. Interactions with industry are essential to bringing the researchers' discoveries to the public, but can present the potential for conflicts of interest related to their research activities. Click here to view a listing of instances where Cleveland Clinic has identified a Public Health Service (PHS)-Reportable Financial Conflict of Interest and has put measures in place to ensure that, to the extent possible, the design, conduct and reporting of the research is free from bias.
* Cleveland Clinic physicians and scientists subscribe to the guidance presented in the PhRMA Code on Interactions with Healthcare Professionals and the AdvaMed Code of Ethics on Interactions with Health Care Professionals. As such, gifts of substantial value are generally prohibited.
Insurances Accepted
Ratings & Reviews
4.5 out of 5
278 ratings, 26 reviewsThe Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
- 5 out of 5 starsReviewed on 4/8/2026
Excellent response by Dr. Kosmorsky''s team to my request
- 5 out of 5 starsReviewed on 4/8/2026
Excellent care by the staff and doctor
- 5 out of 5 starsReviewed on 4/6/2026
Dr very pleasant, knowledgeable easy to talk to
- 5 out of 5 starsReviewed on 3/16/2026
Fantastic doctor
- 5 out of 5 starsReviewed on 3/16/2026
Dr Neal is a great doctor
- 5 out of 5 starsReviewed on 3/16/2026
Dr. Neale is thorough kind very knowledgeable and is an overall great doctor
- 5 out of 5 starsReviewed on 2/27/2026
The doctor that I saw was very professional and explained everything to me in a very lucid, straightforward manner.
- 5 out of 5 starsReviewed on 2/23/2026
I needed an emergency appointment, and I was able to get in right away. Dr. Kosmorsky is wonderful.
- 5 out of 5 starsReviewed on 2/23/2026
Still waiting to hear from provider regarding MRI.
- 5 out of 5 starsReviewed on 2/23/2026
I am very happy with CC''s neuroophthalmology department. Dr. Kosmorsky cannot be replaced. He is absolutely fantastic. I appreciate his thoroughness, care and attention to detail. He is very, very skilled. He is top notch!
- 5 out of 5 starsReviewed on 2/10/2026
Thank you to Dr. Kosmorsky and his staff.
- 5 out of 5 starsReviewed on 2/10/2026
Dr. Kosmorsky spent the extra time to review my ocular disease and my vision issues with professionalism and empathy
- 5 out of 5 starsReviewed on 1/29/2026
The Dr. Is very honest. I truly appreciate how straight forward he is
- 5 out of 5 starsReviewed on 12/8/2025
He is the best doctor. Always takes time with me n shows he cares.
- 5 out of 5 starsReviewed on 12/8/2025
First time seeing the doctor. He and his team were great
- 5 out of 5 starsReviewed on 12/2/2025
My experience was outstanding from the moment I walked into the doors to the moment I saw the doctor
- 5 out of 5 starsReviewed on 12/2/2025
Very pleased with the Doctor and his assistant
- 5 out of 5 starsReviewed on 12/2/2025
I had a good experience with Dr. Kosmorsky and his office.
- 5 out of 5 starsReviewed on 11/20/2025
Awesome experience with the doctor. Very friendly and informative about my eyes
- 5 out of 5 starsReviewed on 10/3/2025
Dr. Kosmorsky was great. He took excellent care of me and I felt like he cared.
- 5 out of 5 starsReviewed on 9/8/2025
I have a severe hearing loss and both the assistant and the care provider included my daughter, who accompanied me, and myself in their questions and explanations.
- 5 out of 5 starsReviewed on 6/23/2025
Dr. Kosmorsky is always attentive and provides thorough explanations for care and treatment options.
- 5 out of 5 starsReviewed on 6/23/2025
I have consistently recommended Dr. Kosmorsky to others.
- 5 out of 5 starsReviewed on 6/23/2025
Excellent experience! The nurse or technician that came in to administer the eye tests was very helpful, friendly and fun to talk to. Dr. Kosmorsky is always wonderful!
- 5 out of 5 starsReviewed on 5/29/2025
Doc was an excellent listener. He and all the staff took the time to understand what my needs were from the appointment, and answered all questions. It was actually a good experience.
- 5 out of 5 starsReviewed on 5/22/2025
I absolutely consider the Cleveland Clinic and all their staff to be the best, I have had the unfortunate experience to be cared for by some of the worst Hospital and doctors in the country, so when I say Cleveland Clinic is the best, I know what I am talking about.