DR. RONALD LEE MARS MD
NPI 1386613602
Internal Medicine - Nephrology in Jacksonville, FL

Q: What is Ronald Mars's NPI number?

The NPI number for Ronald Mars is 1386613602. It was assigned to this individual provider in the NPPES registry on March 17, 2006.

Q: What is Ronald Mars's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Ronald Mars was last updated on December 13, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 17, 2006PECOS EnrolledAccepts Medicare Assignment

81.9/100

CMS Quality Rating

655 W 8TH ST, UFJP NEPHROLOGY, JACKSONVILLE, FL 32209(904) 244-4370(904) 244-3425 Get Directions Write a Review

NPPES record last updated: December 13, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Ronald Lee Mars Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RONALD LEE MARS MD (NPI 1386613602) is an individual nephrology provider in Jacksonville, Florida, licensed in Florida (ME59009) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Shands Jacksonville, and is a graduate of St. Louis College Of Physicians And Surgeons (1972).

NPPES Registry Identity

NPI1386613602

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. RONALD LEE MARSCredential: MD

Location Address655 W 8TH ST, UFJP NEPHROLOGYJacksonville, FL 32209-6511

Mailing AddressPo Box 44008, Ufjp NephrologyJacksonville, FL 32231-4008 · (904) 244-3660 · Fax (904) 244-3425

Phone(904) 244-4370

Fax(904) 244-3425

Sole ProprietorNo

Medical School CMSSt. Louis College Of Physicians And SurgeonsGraduated 1972

Enumeration DateMarch 17, 2006

Last NPPES UpdateDecember 13, 2007

✔ NPI 1386613602 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in FL · ME59009

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Also ListedInternal MedicineTaxonomy 207R00000X · License ME59009 (FL)

655 W 8TH ST, Jacksonville, FL 32209

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Other Identifiers 2

Medicare PIN14600ZFL

Medicare UPINUPINFL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AvMed, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ronald Lee Mars Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2264429497

PECOS Enrollment IDI20040428001389

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

137 services56 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

137 services52 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

47 services43 patients

Dialysis procedure including 1 evaluation 90945

Dialysis is a treatment that filters and purifies the blood when your kidneys can't do their job. The procedure involves circulating your blood through a machine that removes waste products. An evaluation is done beforehand to assess your health and determine the best approach for your treatment.

32 services12 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

17 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Shands Jacksonville

Acute Care Hospitals · Jacksonville, FL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100001

Location655 W 8th StJacksonville, FL 32209 · Duval County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32209 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$130.04 typical visit price

range $56.00 – $171.84

Typical copayment $32.51 (range $14.00 – $42.96)

Most-billed visit code 99204

Established Patient

$99.16 typical visit price

range $17.57 – $139.16

Typical copayment $24.79 (range $4.39 – $34.79)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.9/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

72.43

Promoting Interoperability

100

Improvement Activities

Cost

59.59

Referred Medical Equipment & Supplies CMS DME claims 7

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Azathioprine, oral, 50 mg J7500

Treatment-Treatment - Miscellaneous · category RX029N

1 supplier12 claims720 services$6.16 avg. paid by Medicare

Tacrolimus, immediate release, oral, 1 mg J7507

Treatment-Treatment - Miscellaneous · category RX029N

6 suppliers65 claims9,012 services$0.29 avg. paid by Medicare

Prednisone, immediate release or delayed release, oral, 1 mg J7512

Treatment-Treatment - Miscellaneous · category RX029N

2 suppliers24 claims2,474 services$0.01 avg. paid by Medicare

Mycophenolate mofetil, oral, 250 mg J7517

Treatment-Treatment - Miscellaneous · category RX029N

6 suppliers58 claims6,414 services$0.18 avg. paid by Medicare

Sirolimus, oral, 1 mg J7520

Treatment-Treatment - Miscellaneous · category RX029N

1 supplier12 claims720 services$2.80 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

8 suppliers67 claims67 services$18.36 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MATTHEW DUWAIN WARRICK M.D.

Anesthesiology