Skip to Main ContentSkip to Footer

Justin M. Gregory MD, MSCI

Assistant Professor of Pediatrics

Areas of Expertise

  • Diabetes Mellitus: Type 1, Type 2, MODY, CF-Related, Neonatal
  • Pediatric Diabetes and Endocrinology
  • Pediatric Diabetes, Endocrinology and Metabolism
  • Pubertal Disorders: Precocious and Delayed
  • Thyroid Disorders


1215 21st Avenue South, Suite 8410
Nashville, TN 37232


  • English


  • Doctor of Medicine - University of Tennessee Memphis, 2008
  • Residency - University of Tennessee Health Science Center, 2011
  • Fellowship - Vanderbilt University Medical Center, 2014
  • Master of Science in Clinical Investigation - Vanderbilt University, 2017

Board Certifications

  • Pediatrics - American Board of Pediatrics, 2011
  • Pediatric Endocrinology - American Board of Pediatrics, 2015

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.
March 22, 2024
quote icon
Dr. Gregory is kind and patient. He shows genuine care for my son and is good at prompting the right questions and answering questions clearly. We are grateful to have him.
February 26, 2024
quote icon
Dr Gregory is the best, he is so knowledgeable and explains things perfectly.
January 24, 2024
quote icon
Love Justin so grateful for him and his team
December 11, 2023
quote icon
Extremely pleased with new endocrinologist Dr. Gregory. Very kind, patient, professional.
October 4, 2023
quote icon
Dr. Gregory is truly the best!
August 16, 2023
quote icon
Very through and mindful of my anxious child . He took his time and explained everything to her on her level . I was very impressed with the professionalism and genuinely caring for her concerns and thoughts .
July 31, 2023
quote icon
Dr. Gregory was very careful to listen to all of our concerns and take a complete history, asking several questions and showing genuine concern. He explained his diagnosis thoroughly.
July 4, 2023
quote icon
Doctor Gregory is the best! He always takes the time to talk to us (parents and son) and explain things to us. We have always had a great experience.
June 19, 2023
quote icon