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Department Gastroenterology, Hepatology & Nutrition
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

Specialties & Treatments

Treatment & Services

  • Internal Medicine
View all 1 Treatment & Services +


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Education & Professional Highlights

Education & Professional Highlights


Education & Fellowships

Fellowship - The George Washington University Medical Center
Washington, DC USA

Fellowship - Beth Israel Deaconess Medical Center and Harvard Medical School
Boston, MA USA

Residency - Beth Israel Deaconess Medical Center and Harvard Medical School
Internal Medicine
Boston, MA USA

Internship - Beth Israel Deaconess Medical Center and Harvard Medical School
Medical Internship
Boston, MA USA

Medical Education - State University of New York Upstate Medical Center
Syracuse, NY USA

Undergraduate - State University of New York at Albany
Albany, NY USA


  • Internal Medicine

Specialty Interests

malnutrition, inflammatory bowel disease, parenteral and enteral nutrition, diagnostic and therapeutic endoscopy

Research & Publications

Research & Publications

See publications for Douglas Seidner, MD.

(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 12/10/2020, Dr. Seidner 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

69 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
Courtesy, Respect & Concern 4.8
Patient Rating of Doctor 4.7

17 Patient Comments

Reviewed on Apr 30, 2021

Dr. Schneider and his assistants were extremely caring and through. Very pleased and impressed with how they worked so closely together. Top Notch.

Reviewed on Apr 19, 2021

Douglas Seider MD and others present were great

Reviewed on Apr 7, 2021

he was amazing! nice to finally have a doctor to listen to me and help me

Reviewed on Apr 7, 2021

video visit allows me do have a quality doctor in a rural area wo a super long drive!

Reviewed on Mar 12, 2021

The doctor took all the time I needed to understand and explain our plan of action.

Reviewed on Feb 10, 2021

had a terrible experience with trying to get an appointment as every "scheduler"kept shifting me off to another. Also I had to keep calling as my messages with scheduling was not being returned. I was very frustrated. BUT MY DR. and his TEAM were fabulous and extremely professional once I received my appointment.

Reviewed on Jan 22, 2021

Dr. and dietician provided some really good suggestions and hints which, though my options are limited, have proven helpful. However, I do wish that Dr. had saved a little time to address my concerns and questions. He didn't seem to view me really as a person, He kept talking about diarrhea and I couldn't break through to clarify that my main problem is not frequent diarrhea but rather just having to move my bowels constantly, day and night, including after eating. All in all though he seemed extremely knowledgeable and did a good professional job.

Reviewed on Dec 21, 2020

Would definately recommend. Dr. Seidner put results from the biopsies in my chart quickly. Grateful for that.

Reviewed on Nov 14, 2020

I was very impressed with the Doctor's demeanor nd wanted to be sure that he would follow my testing and treatment if needed to the end.

Reviewed on Nov 10, 2020

Dr. Seidner actively listened to my issue and gave me advise that was very thorough.

Reviewed on Aug 19, 2020

very thorough in reading precious doctor's notes and procedure results from years past. This allowed him to understand what I had already experienced and been tested for and allowed me not to have to just retest same issues. He was very thorough is not only explaining the issue but also the options for what to do for long term care.

Reviewed on Jul 26, 2020

I was delighted that Dr. Seidner had an appointment available on a Sunday. That was really convenient for me.

Reviewed on Jul 26, 2020

Our conversation was really helpful. Dr. Seidner answered my follow-up email question promptly.

Reviewed on Jun 12, 2020

Douglas L Seidner MD FACG was very professional and easy to talk to. The nurses were also wonderful and made the procedure not so awful.The only thing I did not understand is why the Cleveland Clinic didn't take my temperature and instead just asked me if I had been in contact with anyone with Covid-19. A week prior I was at UH for my yearly eye visit and they had people in the lobby taking people's temperatures as they entered the building. Cleveland Clinic you would think would be as vigilant if not more vigilant than UH.

Reviewed on Jun 8, 2020

Cleveland Clinic has the best name of any hospital. I witnessed why that is true first hand. The staff and nurses and doctors are wonderful!!

Reviewed on Jun 8, 2020

Dr. Seidner was a great. seemed to be a very good and caring doctor.

Reviewed on Jun 8, 2020

I have a sense of relief that my doctor will help me with my problems any he can.

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