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Areas of Expertise

  • Neuro-Oncology
  • Neurology
  • Neurosciences


1500 21st Avenue South, The Village at Vanderbilt, Suite 1506
Nashville, TN 37212


  • English
  • Spanish


  • Physician Assistant

Board Certifications

  • Physician Assistant - National Commission on Certification of Physician Assistants, 2016

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.
Mr. Cummings is very knowledgeable and compassionate.
February 12, 2024
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Great experience
January 12, 2024
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Dr Merrell was awesome!!
December 6, 2023
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The PA had reviewed my MRI w the MD before he met w me
November 15, 2023
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The PA and the Dr were both excellent.
November 4, 2023
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Will highly recommend
October 2, 2023
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He was extremely helpful, patient with questions, explained in depth the follow up handling and care
August 20, 2023
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The communication with this doctor was excellent, in addition to being able to communicate in my language (Spanish)
August 7, 2023
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Highly recommend
June 28, 2023
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