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Gregory Kosmorsky

Gregory Kosmorsky, DO

Neuro-OphthalmologyComprehensive Ophthalmology

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Highlights

Age Groups Seen

  • Adult

Languages

  • English

Gender

Male

About 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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Locations

  1. i Building - Cole Eye Institute
    • phone:
    • fax:

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

Cleveland Ophthalmological Society; North American Neuro-ophthalmology Society; Research to Prevent Blindness; American Academy of Ophthalmology; American Academy of Neurology

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

Review a list of accepted insurance plans for our Northeast Ohio locations or learn more about purchasing a contracted managed care plan.

Ratings & Reviews

4.5 out of 5

278 ratings, 26 reviews

The 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.

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Courtesy Respect & Concern
Patient Rating of Doctor
Search reviews
    5 out of 5 stars
    Reviewed on 4/8/2026

    Excellent response by Dr. Kosmorsky''s team to my request

    5 out of 5 stars
    Reviewed on 4/8/2026

    Excellent care by the staff and doctor

    5 out of 5 stars
    Reviewed on 4/6/2026

    Dr very pleasant, knowledgeable easy to talk to

    5 out of 5 stars
    Reviewed on 3/16/2026

    Fantastic doctor

    5 out of 5 stars
    Reviewed on 3/16/2026

    Dr Neal is a great doctor

    5 out of 5 stars
    Reviewed on 3/16/2026

    Dr. Neale is thorough kind very knowledgeable and is an overall great doctor

    5 out of 5 stars
    Reviewed 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 stars
    Reviewed 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 stars
    Reviewed on 2/23/2026

    Still waiting to hear from provider regarding MRI.

    5 out of 5 stars
    Reviewed 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 stars
    Reviewed on 2/10/2026

    Thank you to Dr. Kosmorsky and his staff.

    5 out of 5 stars
    Reviewed 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 stars
    Reviewed on 1/29/2026

    The Dr. Is very honest. I truly appreciate how straight forward he is

    5 out of 5 stars
    Reviewed on 12/8/2025

    He is the best doctor. Always takes time with me n shows he cares.

    5 out of 5 stars
    Reviewed on 12/8/2025

    First time seeing the doctor. He and his team were great

    5 out of 5 stars
    Reviewed 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 stars
    Reviewed on 12/2/2025

    Very pleased with the Doctor and his assistant

    5 out of 5 stars
    Reviewed on 12/2/2025

    I had a good experience with Dr. Kosmorsky and his office.

    5 out of 5 stars
    Reviewed on 11/20/2025

    Awesome experience with the doctor. Very friendly and informative about my eyes

    5 out of 5 stars
    Reviewed on 10/3/2025

    Dr. Kosmorsky was great. He took excellent care of me and I felt like he cared.

    5 out of 5 stars
    Reviewed 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 stars
    Reviewed on 6/23/2025

    Dr. Kosmorsky is always attentive and provides thorough explanations for care and treatment options.

    5 out of 5 stars
    Reviewed on 6/23/2025

    I have consistently recommended Dr. Kosmorsky to others.

    5 out of 5 stars
    Reviewed 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 stars
    Reviewed 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 stars
    Reviewed 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.