Highlights
Age Groups Seen
- Adult
Languages
- English
Gender
MaleAbout Craig Nielsen
Biography
Craig Nielsen, MD, FACP, is a staff physician in the Department of General Internal Medicine, located on the Main Campus of Cleveland Clinic. He was appointed in 2002 subsequent to serving as associate staff physician, assistant staff physician and clinical associate of that department. In addition to his current appointment, he also serves as program director of the Cleveland Clinic Internal Medicine Residency Program, Vice Chairman of Education for the Medicine Institute, Vice Chairman of the Department of Internal Medicine and Assistant Professor of Medicine, Case Western Reserve School of Medicine, Cleveland. Dr. Nielsen is board-certified in internal medicine by the American Board of Internal Medicine. His special interests include preventive medicine, alcoholism, diabetes and men's health.
Dr. Nielsen received his medical degree from the University of Vermont College of Medicine, Vermont. He has been named as a "Top Doc" by Cleveland Magazine from 2006 to 2011. In 2009, Dr. Nielsen was recognized by the National Committee for Quality Assurance (NCQA) for the quality of his care of diabetics (Diabetes Physician Recognition Program).
He has authored and presented a broad range of topics including hypertension, alcoholism, cervical cancer screening, preventive medicine, suicide and medical education. Dr. Nielsen is a member of the Medical Student Promotion and Review Committee, the Governor's Advisor Council of the Ohio Branch of the American College of Physicians(ACP), and the Cleveland Clinic Graduate Medical Education Committee, among others.
Education & Board Certifications
Education
- Residency: Cleveland Clinic, 1997
- Medical Education: University of Vermont College of Medicine, 1994
- Undergraduate: Wheaton College, 1990
Board Certifications
- Internal Medicine: American Board of Internal Medicine, 1997
Awards
- Cleveland Clinic Department of General Internal Medicine – Physician of the Year Award, 2004
- Cleveland Clinic Department of General Internal Medicine – Teamwork Award, 2004
- 'Top Docs,' Cleveland Magazine – 2006 to 2011
- CCF Internal Medicine Residency Program - Best Internal Medicine Senior Morning Report Staff Award: 2004-2005
- CCF Internal Medicine Residency Program – Teacher of the Year (General Internal Medicine) – 2005-2006
- CCF Internal Medicine Residency Program – Teacher of the Year (General Internal Medicine) – 2007-2008
- Scholarship in Teaching Award, Case Western Reserve University - Program Directors Certificate Program - 2010
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 2026-03-20, Dr. Nielsen 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
5 out of 5
227 ratings, 44 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 4/27/2026
Dr. Nielsen is nothing short of absolutely terrific!! He is knowledgeable, helpful, and an excellent communicator. After my 30 years on the Staff of the Clinic I can honestly report that he is top-notch, the very best!! Not only is he excellent with patients, he is also very respectful of the staff with whom he works. They have reported his superb knowledge and interpersonal skills several times to me!
- 5 out of 5 starsReviewed on 4/27/2026
Dr. Nielsen and his support staff are terrific!
- 5 out of 5 starsReviewed on 4/27/2026
Dr. Nielsen is outstanding He is caring and knowledgeable and we completely trust his good judgment.
- 5 out of 5 starsReviewed on 4/6/2026
Dr Nielsen is OUTSTANDING!
- 5 out of 5 starsReviewed on 3/24/2026
Great experience with Dr. Nielsen!
- 5 out of 5 starsReviewed on 3/10/2026
Dr. Nielsen is superb in all respects.
- 5 out of 5 starsReviewed on 2/24/2026
The Clinic appointment system is not ideal, but Dr. Nielsen does his best to facilitate times.
- 5 out of 5 starsReviewed on 2/24/2026
Super doctor.
- 5 out of 5 starsReviewed on 2/6/2026
Dr Nielsen is an extraordinary physician
- 5 out of 5 starsReviewed on 1/26/2026
I was very well taken care of. Dr. Nielsen was very thorough with me as he answered all the questiions that I had for this appointment.
- 5 out of 5 starsReviewed on 1/26/2026
I appreciate Dr. Nielsen's professional, kind, and thorough manner during my visit. He looks at me when speaking, patiently answers questions, and always makes sure that he has addressed any concerns I may have, and asks for my input in making decisions about my care.
- 5 out of 5 starsReviewed on 1/14/2026
I've been a patient of Dr. Nielsen since 1999. He is my favorite physician, ever.
- 5 out of 5 starsReviewed on 1/14/2026
Dr. Craig Nielsen always is a perfect caregiver.
- 5 out of 5 starsReviewed on 1/14/2026
Dr. Craig Nielsen is an outstanding physician and we are so grateful for his knowledge and care. In addition to providing extraordinary advice during video and in-person visits, he always responds quickly to messages sent to him in My Chart. The Cleveland Clinic's motto, Patients First perfectly describes Dr. Nielsen's care.
- 5 out of 5 starsReviewed on 1/14/2026
Dr Neilsen is the most compassionate. He is a great diagnostician. So fortunate to have him as my Doc
- 5 out of 5 starsReviewed on 1/12/2026
Dr Nielsen is the absolute best!
- 5 out of 5 starsReviewed on 1/12/2026
Dr. Nielson is such a nice guy and a great doctor.
- 5 out of 5 starsReviewed on 12/9/2025
Dr Nielsen is excellent
- 5 out of 5 starsReviewed on 12/9/2025
Excellent - I have full trust in Dr Nielsen.
- 5 out of 5 starsReviewed on 12/2/2025
Dr. Nielsen was an excellent listener and we covered all topics that I wanted to discuss. He made helpful suggestions that addressed several of the issues that I brought up.
- 5 out of 5 starsReviewed on 11/21/2025
So lucky to have Dr Nielsen as my Doc
- 5 out of 5 starsReviewed on 10/7/2025
He is the best doctor EVER! He cares for his patients & there health! KUDOS to Dr. Neilson!!!!
- 5 out of 5 starsReviewed on 9/23/2025
Dr Nielsen is a paradigm for physician excellence in every sphere
- 5 out of 5 starsReviewed on 9/15/2025
Dr. Neilson is an excellent doctor
- 5 out of 5 starsReviewed on 9/10/2025
Dr. Craig Nielsen answered all my questions and I very satisfied with my appointment. Thank you.
- 5 out of 5 starsReviewed on 8/12/2025
Dr. Nielsen is one of the most caring, interested doctors ever. His med students and residents absorb this attitude from him.
- 5 out of 5 starsReviewed on 8/12/2025
Exceptional care always with Dr. Nielsen and his nurse are A ++
- 5 out of 5 starsReviewed on 8/12/2025
Dr. Nielsen is a model for the medical profession and a star for Cleveland Clinic.
- 5 out of 5 starsReviewed on 8/12/2025
Dr. Nielsen is my primary physician and he has been for a very long time. He is the best of the best.
- 5 out of 5 starsReviewed on 8/12/2025
I've been going to Dr. Nielsen for years and he is the best of the best
- 5 out of 5 starsReviewed on 7/22/2025
Dr Nielsen takes good care of me as he trains good doctors
- 5 out of 5 starsReviewed on 7/8/2025
Dr Nielsen always listens to my concerns and offers advice
- 5 out of 5 starsReviewed on 7/1/2025
Dr. Nielsen is a Super Doc.
- 5 out of 5 starsReviewed on 6/24/2025
Dr. Nielsen is very thorough and really checks into all the factors affecting his patient's health, general well being and status and above all cares about them as people, not just patients. His knowledge of medicine Is phenominal He is absolutely the best doctor I have ever had and we need more like him.
- 5 out of 5 starsReviewed on 6/24/2025
Doctor Neilsen is very professional thorough. And caring.
- 5 out of 5 starsReviewed on 6/24/2025
Cared for by Dr Nielsen
- 5 out of 5 starsReviewed on 5/29/2025
Dr Nielsen is the best.
- 5 out of 5 starsReviewed on 5/29/2025
Dr. Nielsen is wonderful.
- 5 out of 5 starsReviewed on 5/29/2025
Dr. Nielsen is the best of the best! Outstanding care!
- 5 out of 5 starsReviewed on 5/22/2025
Everything was very good regarding my appointment with Dr. Craig Nielsen.
- 5 out of 5 starsReviewed on 5/22/2025
Dr. Craig Nielsen was extremely professional, thorough and explained everything to me in detail. I was very happy with this appointment/visit.
- 5 out of 5 starsReviewed on 5/22/2025
I appreciate Dr. Nielsen's pleasant and professional manner in his concern about my health and well being. He is patient in going over any concerns I might have; asking for my input and allowing time for questions.
- 5 out of 5 starsReviewed on 5/20/2025
Dr. Nielsen is wonderful. He is reflective, kind, caring and very good at making decisions in my care.
- 5 out of 5 starsReviewed on 5/13/2025
Dr. Nielsen is perfect as far as I am concerned. He answers all my questions and never rushes to see his next patient.