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Department Infectious Disease
Primary Location Cleveland Clinic Main Campus
Type of Doctor Both Adults and Children & Adolescents
Languages English
Surgeon No
Cleveland Clinic Main Campus
Primary Location

Cleveland Clinic Main Campus

Specialties & Treatments

Treatment & Services

  • Immunology
  • Infectious Disease Consultation
  • Infectious Disease Treatment
  • International Travel Related Preparation
  • Traveler's Health
View all 5 Treatment & Services +

Specialty in Diseases & Conditions

  • Bone Marrow Transplant Related Infections
  • General Infectious Diseases
  • International Travel Related Diseases
  • Solid Organ Transplant Related Infections
View all 4 Specialties +


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About Steven Mawhorter, MD

Steven D. Mawhorter, MD (DTM&H), is a board-certified specialist in infectious diseases, internal medicine and pediatrics. He is Director of the International Travelers’ Health Clinic and an infectious disease consultant in the Department of Infectious Disease at Cleveland Clinic in Cleveland, Ohio. Dr. Mawhorter is also Associate Professor of Medicine at the Cleveland Clinic Lerner College of Medicine of Case Western Reserve University.

Dr. Mawhorter graduated summa cum laude from Wheaton College in Wheaton, Ill. His major was biochemistry and included a unique opportunity to study health issues among the Ifugao people of northern Luzon, Philippines, as part of the Human Needs and Global Resources special curriculum project.

Dr. Mawhorter received his medical degree from Duke University School of Medicine in Durham, N.C., and the Diploma in Tropical Medicine and Hygiene (DTM&H) at the Liverpool School of Tropical Medicine in Liverpool, England. He completed a combined internal medicine and pediatric residency at the University of Rochester in Rochester, N.Y., where he also served as Chief Resident in Internal Medicine. Dr. Mawhorter completed a fellowship in infectious diseases at University Hospitals of Cleveland at Case Western Reserve University in Cleveland, Ohio. He also did post-fellowship research at the National Institutes of Health in the Laboratory of Parasitic Diseases in parasitic immunology.

Active in clinical care and research, Dr. Mawhorter has been published in such journals as the Journal of Heart and Lung Transplantation, Journal of Immunology, Clinical Infectious Disease, Journal of Clinical Gastroenterology, AIDS, Journal of Infectious Diseases, Chest, Cleveland Clinic Journal of Medicine and Journal of Travel Medicine.

His current research efforts are directed toward translational research in transplant infectious disease. He remains active in the area of research and teaching in the immunology of infectious diseases, especially applied to solid organ and bone marrow transplant recipients. He is very active in the field of International Travel Medicine.

Dr. Mawhorter is a member of the American College of Physicians, American Society of Microbiology, Infectious Diseases Society of America, American Society of Transplantation, American Society of Tropical Medicine and Hygiene, Wilderness Medical Society and the International Society of Travel Medicine.

Education & Professional Highlights

Education & Professional Highlights


Education & Fellowships

Fellowship - National Institutes of Health
Parasitic Immunology
Bethesda, MD

Fellowship - University Hospitals of Cleveland
Infectious Disease
Cleveland, OH

Residency - University of Rochester-Strong Memorial Hospital
Internal Medicine
Rochester, NY

Residency - Strong Memorial Hospital of The University of Rochester
Internal Medicine
Rochester, NY

Medical Education - Duke University School of Medicine
Durham, NC

Undergraduate - Wheaton College
Wheaton, IL

Additional Training

  • DTM&H, (Diploma in Tropical Medicine and Hygiene), Liverpool School of Tropical Medicine, Liverpool, U.K.


  • Internal Medicine
  • Internal Medicine - Infectious Disease

Specialty Interests

immunology of infectious diseases, international travel preparation, travel/tropical medicine

Awards & Honors

  • Bruce Hubbard Stuart Fellow
Research & Publications

Research & Publications

See publications for Steven Mawhorter, 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 4/1/2024, Dr. Mawhorter has reported the financial relationships with the companies listed below. 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

78 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
5 out of 5
Explains 4.9
Courtesy, Respect & Concern 5
Patient Rating of Doctor 5

20 Patient Comments

Reviewed on Feb 22, 2024

DOCTOR WAS GREAT.....all other aspects of this encounter were a fiasco.....go backto the drawingboard

Reviewed on Feb 15, 2024

They were good about calling me back with information I requested about costs of my vaccine. Dr. Mawhorter was very informative as always about the risks of infection traveling to Belize. He is personable and thorough. His instructions and care helped greatly when a friend became ill in the Galapagos on a small ship. Following his suggestions, I rehydrated her with G2, started antibiotics, which saved the trip. Also in the Amazon having treated our clothes with Pyrethrin, not one of the swarms of mosquitos even landed on us, and we were safe with malaria prophylaxis medication. Can't say enough good things about his care!

Reviewed on Feb 15, 2024

I would highly recommend Dr. Steve Mawhorter to anyone who needs a thoughtful and top notch infectious doctor. He always is current and gives good practical advice that keeps me safe in my travels.

Reviewed on Feb 15, 2024

Excellent Doctor! So lucky to have him as my doctor!

Reviewed on Jan 24, 2024

Dr. Mawhorter is known by my family as Dr. Marvelous. He is professional, thorough, thoughtful, considerate, insightful, committed, brilliant, and caring.

Reviewed on Jan 24, 2024

Excellent Doctor

Reviewed on Jan 12, 2024

Dr. Mawhorter is very thourough, proffessional and listens and answers my concerns.

Reviewed on Jan 9, 2024

Dr. M. Was excellent as always. Very informative and very knowledgeable, caring & personable! He is a big asset to the Clinic!

Reviewed on Jan 9, 2024

Extremely pleased with all interactions with provider. Best communicator with understandable explanations and great analogies. Willing to take time with patient. Super doctor.

Reviewed on Oct 24, 2023

Dr. Mawhorter is always thorough and thoughtful.

Reviewed on Oct 18, 2023

I was impressed with how prepared the doctor was. He had reviewed my medical chart and made available reading material for me. He was very helpful!

Reviewed on Sep 21, 2023

Love the doctor. Very patient & understanding

Reviewed on Sep 19, 2023

Dr. Mawhorter is competant, professional, and courteous. My treatment is going very well under his care.

Reviewed on Sep 19, 2023

Dr. Mawhorter was very thorough in explaining my situation and the care he recommends to resolve it. I was very happy the care I received.

Reviewed on Aug 24, 2023

Dr. Mawhorter is thourough, thoughtful and expert in his knowledge

Reviewed on Aug 16, 2023

Dr Mawhorter takes his time w the pt. He never rush during the visit. He explain everything in details. He also care so much that he discuss certain cases with his colleagues which is amazing for the pt! Down to earth guy, super smart. He personally call his pt! That's rare!

Reviewed on Jul 20, 2023

Dr M picked up the phone himself to call me to further discuss my case and my options. He cared as if I was a family member. Discussed pro and cons. He communicated the plan to other med team in my care. Thank you!

Reviewed on Jul 14, 2023

Appointment was on time. Dr. M. Very informative, easily understandable, friendly, & answered all my questions

Reviewed on Jul 14, 2023

I will recommend him to my family & friends

Reviewed on Jul 12, 2023

Dr. Mawhorter was very thorough and professional and in tune with my concerns.

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