Browse Health
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:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

View full profile

Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. Ronald Mars is Good. Dr. Mars has been reviewed by 7 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

Similar doctors nearby

Dr. Andreea Poenariu

13 years experience
Jacksonville, FL

Dr. Charles Heilig

28 years experience
Jacksonville, FL

Dr. Ashwani Gupta

Internal Medicine
8 years experience
Jacksonville, FL

Dr. Jamal Salameh

Internal Medicine
13 years experience
Jacksonville, FL

Dr. Neeru Arora

Internal Medicine
35 years experience
Jacksonville, FL

Dr. Ira Harmon

37 years experience
Jacksonville, FL
Search All Similar Doctors
Additional Information
Dr. Ronald Lee Mars MD is a male Nephrologist, has 40 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.