Highlights
Age Groups Seen
- Adult
Languages
- English
Gender
FemaleAbout Marianne Sumego
Biography
Education & Board Certifications
Education
- Residency: The Ohio State University Hospitals, 1996
- Residency: Columbus Children's Hospital, 1993
- Medical Education: Wright State University School of Medicine, 1992
Board Certifications
- Internal Medicine: American Board of Internal Medicine, 2011
Professional Memberships
Innovations & Patents
Dr. Sumego has developed and maintains a shared medical appointment, group visit for patients with asthma that is linked to our nurse-on-call for triage information and management of asthma.
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 2026-03-20, Dr. Sumego 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
Video
Ratings & Reviews
4.9 out of 5
216 ratings, 47 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 4/13/2026
Dr Sumego is very thorough. She is the best Doctor and I appreciate her taking care of me as I don''t see her very often!! There needs to be more caring physicians like her!!!
- 5 out of 5 starsReviewed on 4/13/2026
Erik, Dr Sumego''s secretary was great with assisting to get me an appointment with Dr Sumego
- 5 out of 5 starsReviewed on 3/30/2026
Dr Sumego ALWAYS takes great care of me she is very kind and always Takes care of my concerns
- 5 out of 5 starsReviewed on 3/16/2026
Dr Sumego is always very thorough!
- 5 out of 5 starsReviewed on 3/10/2026
Dr. Sumego is the best!
- 5 out of 5 starsReviewed on 3/10/2026
Dr. Sumego is excellent ! She listens, clarifies, asks questions, so she completely understands me.
- 5 out of 5 starsReviewed on 2/23/2026
Dr. Sumego is the best of the best. I wouldn''t even consider seeing another provider. She is thorough, personable, and detailed. She is also conservative in her approach ~ I''ve never been sent for unnecessary tests, and she Is always extremely reassuring and calm. She is amazing!!
- 5 out of 5 starsReviewed on 2/23/2026
Dr Sumego is the best!! She has been myPrimary for well over 20 years. She is kind courteous listens toMy concerns and we comeUp with a plan together
- 5 out of 5 starsReviewed on 12/9/2025
Marianne Sumego is one of the best doctors I ever had. She is empathetic, knowledgeable, and kind.
- 5 out of 5 starsReviewed on 12/1/2025
She's the best!
- 5 out of 5 starsReviewed on 12/1/2025
Dr. Sumego is a kind passionate doctor who is very thorough. I feel so fortunate to have her as my doctor.
- 5 out of 5 starsReviewed on 12/1/2025
Dr. Sumego was amazing and extremely helpful. She is the best!
- 5 out of 5 starsReviewed on 11/24/2025
Dr. Sumego answered all my questions and is always very pleasant!
- 5 out of 5 starsReviewed on 11/18/2025
Dr. Sumego is fantastic which is why she has been my primary care physician for 30+ years!! She listens and is patient with my questions. She does a great job explaining things.
- 5 out of 5 starsReviewed on 11/11/2025
Excellent experience! Dr Sumego cares about me
- 5 out of 5 starsReviewed on 11/11/2025
Dr Sumego is the best
- 5 out of 5 starsReviewed on 11/11/2025
We need more Dr Sumegos
- 5 out of 5 starsReviewed on 11/11/2025
Dr Sumego exceeds my expectations
- 5 out of 5 starsReviewed on 10/24/2025
I so appreciate Dr. Sumego and her assistant and their assistance!
- 5 out of 5 starsReviewed on 10/14/2025
Dr Sumego and her team are all very professional
- 5 out of 5 starsReviewed on 10/14/2025
Dr. Sumego always gives me the attention to detail of my health. She finds solutions to my problem. She follows up with my progress.
- 5 out of 5 starsReviewed on 9/26/2025
Dr. Sumego is the best! The care and concern she shows is awesome! She is very easy to talk to and you don't feel rushed to get through your appointment! I can't say enough amazing things about her! She is a true blessing!
- 5 out of 5 starsReviewed on 9/23/2025
Dr Sumego is an excellent doctor in every way. The Clinic is lucky to have Dr Sumego!
- 5 out of 5 starsReviewed on 9/23/2025
Dr. Sumego is at all times professional and courteous
- 5 out of 5 starsReviewed on 9/16/2025
Dr. Sumego is the Best. She has been my primary care doctor for many years and trust her.
- 5 out of 5 starsReviewed on 8/29/2025
Dr Sumego really listened to me, explained what could be causing my health issues, and sent me for tests. She also explained treatment options.
- 5 out of 5 starsReviewed on 8/19/2025
Dr Sumego is an excellent doctor
- 5 out of 5 starsReviewed on 8/19/2025
Dr Sumego is an excellent doctor.
- 5 out of 5 starsReviewed on 8/5/2025
Dr Sumego is a wonderful doctor who listens and is concerned and caring. Always patience and kind
- 5 out of 5 starsReviewed on 7/29/2025
Dr. Sumego is very professional. She listens to all my concerns. She is very knowledgeable and is an excellent physician.
- 5 out of 5 starsReviewed on 7/29/2025
We love Dr. Sumego. She's a part of our family after 22 years of being under her superb care!
- 5 out of 5 starsReviewed on 7/15/2025
Dr. Sumego is so caring and easy to talk too. I always feel included in my care decisions. She's so knowledgeable about so many different medical issues. Always so kind and I never feel rushed during appointments.
- 5 out of 5 starsReviewed on 7/15/2025
Good experience. Just difficult sometimes to get in to see Dr. Sumego due to her patient load.
- 5 out of 5 starsReviewed on 7/15/2025
I love that Dr Sumego takes time to talk. She really gets to know us and puts any concerns at ease
- 5 out of 5 starsReviewed on 7/15/2025
Dr Sumego is so informative and helpful. She listens well and has a good relationship with my kids. She is a wonderful provider.
- 5 out of 5 starsReviewed on 7/15/2025
Best doctor ever!
- 5 out of 5 starsReviewed on 7/15/2025
Dr. Sumego is excellent in her care and attention for her patients. Although a very busy schedule, she always takes her time whenever I see her.
- 5 out of 5 starsReviewed on 6/16/2025
Excellent care by Dr. Sumego!
- 5 out of 5 starsReviewed on 6/9/2025
Dr. Sumega is a good listener and tries to provide answers to my questions and concerns. She is truly interested in my well being both physically and emotionally. I am very confident in her managing my health.
- 5 out of 5 starsReviewed on 6/9/2025
Dr. Sumego is a caring, thoughtful and kind doctor. She is a true gem!
- 5 out of 5 starsReviewed on 5/29/2025
Dr. Sumego is wonderful. I respect her completely.
- 5 out of 5 starsReviewed on 5/29/2025
I had a very difficult decision to make and Dr. Sumego helped me with care and understanding. She helped to decrease my stress. She took a lot of time with me. I'm sure she was very busy but she did not rush me at all.
- 5 out of 5 starsReviewed on 5/27/2025
Dr. Sumego listens to my requests and we discuss alternatives
- 5 out of 5 starsReviewed on 5/27/2025
Dr. Sumago is a wonderful doctor who truly cares about her patients. Wish more doctors were like her!!!
- 5 out of 5 starsReviewed on 5/27/2025
Dr. Sumego is a kind and compassionate doctor. She gave me a thorough exam and addressed every issue that was needed. I feel she always listens to me and truly cares about my health and wellbeing. I am so grateful for her presence in my life.
- 5 out of 5 starsReviewed on 4/29/2025
Dr. Sumego is an excellent listener and always gives me good medical advice.
- 5 out of 5 starsReviewed on 4/29/2025
Dr. Sumego is an incredible doctor and I feel so fortunate that I have her as my physician. I've recommended her to family and friends