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Areas of Expertise

  • Hypertension
  • Internal Medicine
  • Primary Care

Location

1500 21st Avenue South, Village at Vanderbilt, Suite 3000
Nashville, TN 37212

Education

  • Doctor of Medicine - West Virginia University, 1990
  • Residency - Vanderbilt University Medical Center, 1993
  • Research Fellowship - Vanderbilt University Medical Center, 1996

Board Certifications

  • Internal Medicine - American Board of Internal Medicine, 1994

Patient Comments

Patient Comments are gathered from the Press Ganey Patient Experience Survey and displayed in full. Patients are not identified in order to respect patient privacy.
Top notch!
February 19, 2026
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Dr. Gainer always goes above and beyond trying to find solutions when there is a problem, is great with explanations, and he's very caring when there's a struggle
February 17, 2026
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Dr. Gainer exemplifies the very best in proving medical care to his patients. He is cordial, generous with his time, a good listener, caring, and provides treatment based on superior medical training, years of experience, and outstanding knowledge of past, current, and ongoing medical research. He is a great asset to Vanderbilt and to the lives of his patients,
February 12, 2026
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Dr. Gainer is very thorough.
February 5, 2026
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Dr. Gainer is excellent. Every physician should emulate him.
February 4, 2026
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Above and beyond. Wish I could give a 6 on some of these.
January 29, 2026
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Dr. Gainer is a truly caring and wonderful provider.
January 27, 2026
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I wish that everyone's doctor could be as informative and thorough as doctor Gainer. He does an excellent job of answering questions I have about my condition and makes me feel completely involved in his plans for my care. He always reviews with me what we have discussed to be certain we are on the same page. When I leave, I am confident doctor Gainer understands my issues and is giving me the best possible car.
January 14, 2026
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As I said, Dr. Gainer is great
January 9, 2026
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