Department Ophthalmology
Primary Location Cleveland Clinic Main Campus
Type of Doctor Adults Only
Languages English
Surgeon No
Cleveland Clinic Main Campus
Primary Location

Cleveland Clinic Main Campus



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Education & Professional Highlights

Education & Professional Highlights


Education & Fellowships

Medical Education - Illinois College of Optometry
Chicago, IL USA

Undergraduate - Ohio State University
Columbus, OH USA

Research & Publications

Research & Publications

See publications for Jason Marcellus, OD.

(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

Industry Relationships

Cleveland Clinic physicians and scientists may collaborate with the pharmaceutical or medical device industries to help develop medical breakthroughs or provide medical expertise or education. Cleveland Clinic strives to make scientific advances that will benefit patient care and support outside relationships that promise public benefit. In order for the discoveries of Cleveland Clinic physicians' and scientists' laboratories and investigations to benefit the public, these discoveries must be commercialized in partnership with industry. As experts in their fields, Cleveland Clinic physicians and scientists are often sought after by industry to consult, provide expertise and education.

To assure professional and commercial integrity in such matters, Cleveland Clinic maintains a program that reviews these collaborations and, when appropriate, puts measures in place to minimize bias that may result from ties to industry. Cleveland Clinic publicly discloses the names of companies when (i) its physicians/scientists receive $5,000 or more per year (or, in rare cases, equity or stock options) for speaking and consulting, (ii) its physicians/scientists serve as a fiduciary, (iii) its physicians/scientists receive or have the right to receive royalties or (iv) its physicians/ scientists hold any equity interest for the physician's/scientist's role as inventor, discoverer, developer, founder or consultant.* In publicly disclosing this information, Cleveland Clinic tries to provide information as accurately as possible about its physicians' and scientists' connections with industry.

As of 9/12/2018, Dr. Marcellus 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.

Patient Satisfaction Reviews

89 Patient Satisfaction Reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our nationally-recognized Press Ganey Patient Satisfaction Survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Responses are measured on a scale of 1 to 5 with 5 being the best score.

The comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Cleveland Clinic.

Overall Star Ratings
4.8 out of 5
Explains 4.8
Listens 4.7
Courtesy, Respect & Concern 4.9
Knows Medical History 4.6
Time Spent with Patient 4.8
Patient Rating of Doctor 4.8

11 Patient Comments

Reviewed on Jul 30, 2019

Dr. Marcellus is terrific!

Reviewed on Jun 5, 2019

Dr. Marcellus was very professional and friendly. With his expertise, I now have a plan to care for my eye after receiving treatments. I will continue to come to the clinic for eye checkups and then if needed go quickly to get more corneal care if needed at the clinic.

Reviewed on May 1, 2019

wonderful experience and appointment! he's a great Doctor!!

Reviewed on Mar 20, 2019

Dr Marcellus is awesome. Very professional and takes his time with you.

Reviewed on Feb 8, 2019

Dr. Marcellus was very attentive. He listened to my concerns, discussed options and genuinely cared.

Reviewed on Dec 19, 2018

My only negative experience with regards to sensitivity for my needs had to do with the LASIK procedure and not with Dr. Marcellus. I did not enjoy the fact that I underwent my procedure in a room with loud rock music playing. it was very challenging for me to relax during the procedure due to that and it significantly increased my anxiety level.

Reviewed on Dec 17, 2018

I waited 1 hour 15 minutes in the exam room for Dr. Marcellus to come in. I had another appointment, so I decided to leave. On my way out the door he was in the room next door talking with the nurses, but came running after me saying my exam would only take 10 minutes. This was true because he didn't even dialate my eyes or get any history of my past exams. I went to him because my regular doctor, Dr. Sholliton is retiring. I don't think I got an adequate exam, and I will encourage my insurance not to pay the charge.

Reviewed on Nov 26, 2018

I would go see Dr. Marcellus again. He was very personable and easy to talk too. I felt he was also professional and listened to my concerns. However, the wait time was very long (over an hour and a half.) I had a meeting that I needed to attend that evening at my school, however, this long wait put me behind as well.

Reviewed on Oct 8, 2018

The physician was knowledgeable and answered all of my questions.

Reviewed on Sep 18, 2018

Dr. Marcellus was extremely professional, courteous and efficient.

Reviewed on Sep 18, 2018

if it wasn't for Dr. Marcellus I would not utilize CCF. He is the best doctor you have at CCF hands down PERIOD!

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