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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Ronald Mars:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. Ronald Mars is Good. Dr. Mars has been reviewed by 6 patients who have provided 3 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.3
Promptness 3.1
Courteous Staff 3.6
Accurate Diagnosis 4.5
Bedside Manner 4.2
Spends Time with Me 4.2
Follows Up After Visit 4.2

Specialties & Research

Dr. Ronald Mars, MD is board certified in Nephrology.

  • He has special expertise in 1 area:
  • Acute Renal Failure (Acute Kidney Failure)

Education & Awards

Dr. Mars graduated from Saint Louis University. He has 1 awards.

Castle Connolly's Top Doctors™ (2012 - 2013)


Dr. Mars has 5 hospital affiliations:

  • Shands Jacksonville Medical Center 
  • Shands Jacksonville 


  • French

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Additional Information
Dr. Ronald Lee Mars MD is a male Nephrologist, has 39 years of experience and practices in Nephrology.
Where does Dr. Ronald L. Mars practice?
Dr. Ronald Mars has 1 office location.
Dr. Ronald Mars practices Nephrology near Jacksonville, FL.
See Jacksonville Nephrologists.