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Agnes Diane Leon-Barriera, MD

Agnes Diane Leon-Barriera, MD
4.78 out of 5 stars
alt text

CenterWell Madison

2009 Gallatin Pike North
2009 Gallatin Pike North
Madison, TN 37115
Madison TN 37115

Education

Universidad Central Del Caribe

Languages spoken

English, Spanish

Board certifications

American Board of Internal Medicine 2024

NPI

1922564079
Agnes Leon-Barriera, MD, is an Internal Medicine physician with specialized expertise in geriatric care. She earned her Doctor of Medicine degree from Universidad Central del Caribe in Bayamón, Puerto Rico, and completed her Internal Medicine Residency Program at Vanderbilt University Medical Center. She also completed a Geriatric Medicine Fellowship at Vanderbilt University Medical Center. Dr. León Barriera is board certified in both Internal Medicine and Geriatric Medicine. Her academic contributions include research on delirium in older adults, radiation effects during pregnancy, and anemia awareness in Puerto Rico. She has presented at the Geriatric Research Education and Clinical Center and is an active member of the American Geriatrics Society, American College of Physicians, and American Medical Association. Outside of medicine, Dr. León Barriera enjoys cooking, going to the movies, spending time with family, and traveling.

Patient satisfaction ratings and comments

4.78 out of 5 stars
29 Comments
Mar 27, 2026
Thank you all the staff for your kindness
Mar 16, 2026
I think that she was very thorough. She did not make me feel rushed. She took her time to listen to my concerns and I felt very comfortable that she addressed each concern.

Provider numbers for agent use

  • Aetna: 8452737
  • DeVoted: Pending
  • Healthspring: 1922564079
  • Humana: A13237
  • Medicare Railroad: Q01090130
  • Medicare: T1261707
  • United Healthcare: 00040703054
  • Wellcare: 4665521
  • WellPoint: 24678799

Provider NPI

1922564079

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