Ronald Lee Mars, MD
Nephrology Physician · Jacksonville, FL
Ronald Lee Mars, MD is a nephrology physician with a practice address in Jacksonville, Florida, and NPI 1386613602, issued on Mar 17, 2006. Check the license (Florida ME59009, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Ronald Lee Mars
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- ME59009 FL
Self-reported in NPPES; status is on the state search - Practice location
- 655 W 8TH St, Jacksonville, FL 32209
- Phone
- (904) 244-4370
- Enumerated
- Mar 17, 2006
- Record last updated
- Dec 13, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (904) 244-3425
- Medicaid IDs
- 0592251-00 FL
000154536F GA - Medicare enrollment
- Enrolled (PECOS I20040428001389); accepts Medicare assignment
- Medical or professional school
- St. Louis College Of Physicians And Surgeons, 1972
- Entity
- Type 1 · individual
Also registered at 655 W 8TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patrick Aaronson, PHARMDCritical Care Pharmacist1578113668
- Mubarak Abdur-Rahman, MDEmergency Medicine Physician1164861001
- Erika AbernathySocial Worker1013387661
- Cheryl Jayne Abrenica, RNRegistered Nurse1215425012
- Maryam Abubakar, MD, MPHNeonatal-Perinatal Medicine Physician1003290214
- Mohannad Abushora, MDPediatric Anesthesiology Physician1740813807
Verify Ronald Lee Mars in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME59009Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average nephrology physician in 2024
180 Medicare Part D claims for 43 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone16 claims
- Furosemide14 claims
- Losartan Potassium13 claims
- Nifedipine Er13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University OF Florida Jacksonville Physicians, Inc.Jacksonville, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nephrology Physician providers in Florida
There are 840 nephrology physician records in Florida.
Other nephrology physician records in Florida
- Kashif Abad, M.D.West Palm Beach, FL1518405075
- Fernando Abanilla, MDAvon Park, FL1558469338
- Fakhar AbbasPlantation, FL1952276321
- Lionel Abbott, MDOrlando, FL1568436418
- Atif Abdalla, MDJacksonville, FL1528013042
- Beshoy Abdalla, DOTampa, FL1487273579
- Layal Abdel Rahman, M.D.Largo, FL1134383615
- Rania Abdel-Rahman, M.D.Jacksonville, FL1013059211
- Yehia Abdelwahed, M.D.Atlantis, FL1750557666
- Emil Abdulhayoglu, MDBrandon, FL1801860671
Common questions
What is Ronald Lee Mars, MD's NPI number?
Ronald Lee Mars, MD's National Provider Identifier (NPI) is 1386613602, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Lee Mars, MD located?
The NPPES record lists a practice address at 655 W 8TH St, Jacksonville, FL, 32209. Phone: (904) 244-4370. Providers update this record themselves, so call before visiting.
How can I verify Ronald Lee Mars, MD's license?
NPPES lists Florida license number ME59009, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ronald Lee Mars, MD prescribe under Medicare Part D?
In 2024, Ronald Lee Mars, MD had 180 Medicare Part D claims for 43 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Ronald Lee Mars, MD's MIPS final score?
The 2023 MIPS final score is 81.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.