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Justin M. Gregory MD, MSCI

Assistant Professor of Pediatrics
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  • 40 ratings

Areas of Expertise

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


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


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  • 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.
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
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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
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Dr. Gregory took such care and attention to listening to our issues, which were not life threathening. He was so thourough and did such a great job of educating both me, the parent, but also my teen child. He showed that he cared about our concerns and explained the medical science behind them.
April 10, 2023
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Doctor was excellent in every way!
December 13, 2022
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Very friendly.
December 9, 2022
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We love all of the providers we have seen here. Dr. Gregory especially listens to our concerns and gives thoughtful answers and solutions, keeping our input in mind.
December 5, 2022
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*Dr. Gregory was born to work with children. I cannot express enough how lucky I feel to have him treat my son.
November 29, 2022
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Dr. Justin was EXCELLENT! We were more than pleased with the care we received, he took the time to interact with our daughter (1 1/2years old), he took the time to explain everything he was looking for when examining our daughter and everything he was thinking of in his head as to what could or could not be going on. He never rushed us or made us feel rushed or our concerns invalid. He left the room to go and try to find more paperwork from our pediatrician before making any final decisions on how to move forward with our care. He actually turned the computer around to show us the growth charts he was looking at so we could visually see what he was looking at. He was very informative and very easy to talk to! He even walked us all the way back out to the waiting room. Most definitely a doctor worth recommending. We need more doctors with his bedside manner!
November 29, 2022
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The doctor spent a lot of time making my daughter feel comfortable and listened to all her concerns very patiently. Really a very kind and empathetic doctor.
September 23, 2022
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