About
Dr. Gary M. Ayres earned his Bachelor of Arts in Biology from Wabash College in 1979 and his Doctorate of Medicine from Indiana University School of Medicine in 1983. He completed both his internship and his internal medicine residency at St. Vincent Hospital in Indianapolis, finishing in 1986. He holds board certification from the American Board of Internal Medicine. Dr. Ayres has practiced in the greater Indianapolis community for over 37 years. The American Board of Internal Medicine, the American Medical Association, and the Indiana State Medical Association all count him among their members. Indianapolis Monthly has named him a Top Doctor in Internal Medicine multiple times, including each year from 2016 through 2022. He has also earned the Annual Patient's Choice Physician in Internal Medicine recognition every year since 2008.
Dr. Ayres is passionate about cardiovascular health, diabetes management, hypertension, and preventive medicine. He views the doctor-patient relationship as a true partnership, one built on mutual trust and respect that must be earned. He holds medical staff privileges at Ascension St. Vincent Hospital Indianapolis, Ascension St. Vincent Carmel Hospital, Ascension St. Vincent Heart Center, and Ascension St. Vincent Fishers Hospital. Outside the office, he enjoys cycling, traveling, and spending time with his family.
Education & Training
Undergraduate
Wabash College, Crawfordsville, IN - Bachelor of Arts, Biology (1979)
Medical School
Indiana University School of Medicine, Indianapolis, IN - Doctorate of Medicine (1983)
Residency
St. Vincent Hospital, Indianapolis, IN - Internal Medicine Residency (1984-1986)
Additional Training
Internship: St. Vincent Hospital, Indianapolis, IN (1983-1984)
Certifications
Conditions Treated
Who is Dr. Ayres right for?
Dr. Ayres is a strong fit for adults who want a long-term relationship with a seasoned internist. Patients managing cardiovascular disease, diabetes, or hypertension benefit from his focused clinical experience. He works well with people who value direct physician access and personalized wellness planning. Anyone who wants same-day availability and 24/7 phone access to their doctor will find his practice well-suited to those needs.
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Frequently Asked Questions
Dr. Ayres focuses on cardiovascular health, diabetes management, hypertension, and preventive medicine. He also delivers comprehensive wellness screenings and builds custom wellness plans for each patient. His background in internal medicine gives him a broad foundation for managing complex and chronic conditions.
Yes, Dr. Ayres holds board certification from the American Board of Internal Medicine. He earned his medical degree from Indiana University School of Medicine and completed his residency training at St. Vincent Hospital in Indianapolis.
Dr. Ayres has practiced medicine in the greater Indianapolis area for over 37 years. He finished his residency at St. Vincent Hospital in 1986 and has served the Carmel and Indianapolis community ever since.
Yes, Dr. Ayres sees every patient personally. He does not delegate visits to a nurse practitioner or physician assistant. Every appointment involves direct, one-on-one time with Dr. Ayres himself.
Dr. Ayres has earned significant peer and patient recognition over his career. Indianapolis Monthly named him a Top Doctor in Internal Medicine every year from 2016 through 2022. Patients have also awarded him the Annual Patient's Choice Physician in Internal Medicine distinction every year since 2008.
Yes, Dr. Ayres coordinates specialist referrals through his Ascension Medical Group network. He holds medical staff privileges at Ascension St. Vincent Hospital Indianapolis, Ascension St. Vincent Carmel Hospital, Ascension St. Vincent Heart Center, and Ascension St. Vincent Fishers Hospital. That network allows him to coordinate care seamlessly across specialties.
Dr. Ayres treats every patient as an individual and rejects one-size-fits-all approaches to health. He views the doctor-patient relationship as a true partnership built on earned trust and respect. His goal is to understand each patient's unique health picture and build a plan that reflects it.
Doctor profile last updated March 21, 2026