Dr. Joseph Warren, M.D.
What this data tells you about Dr. Warren
Dr. Joseph Warren is a nephrology in Orlando, FL, with 20 years in practice. Based on federal Medicare data, Dr. Warren performed 19,612 Medicare services across 2,647 unique beneficiaries.
Between the years covered by Open Payments, Dr. Warren received a total of $4,816 from 49 pharmaceutical and/or device companies across 202 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in nephrology. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Warren is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Iron sucrose injection (Venofer) | 13,200 | $0 | $1 |
| Epoetin alfa injection (Retacrit) for anemia | 1,030 | $6 | $25 |
| Office visit, established patient (30-39 min) | 542 | $69 | $200 |
| Blood draw (venipuncture) | 322 | $8 | $20 |
| Complete blood count (CBC) with differential | 295 | $8 | $26 |
| Comprehensive metabolic blood panel | 280 | $10 | $47 |
| Automated urinalysis | 279 | $2 | $9 |
| Ferritin level test (iron stores) | 259 | $13 | $38 |
| Iron level test | 259 | $6 | $18 |
| Iron binding capacity test | 259 | $9 | $25 |
| Magnesium level test | 259 | $7 | $19 |
| Parathyroid hormone level test | 254 | $40 | $115 |
| Dialysis services, 4 or more physician visits per month (20 years or older) | 249 | $274 | $1,200 |
| Vitamin B-12 level test | 241 | $15 | $42 |
| Lipid panel (cholesterol and triglycerides) | 240 | $13 | $71 |
| Phosphate level test | 240 | $5 | $25 |
| Creatinine test (kidney function) | 182 | $5 | $20 |
| Home dialysis services per month (20 years or older) | 180 | $224 | $900 |
| Urine microalbumin test (kidney screening) | 179 | $6 | $15 |
| Vitamin D level test | 150 | $29 | $85 |
| Hemoglobin A1c test (diabetes monitoring) | 135 | $10 | $35 |
| Blood count, hemoglobin | 105 | $2 | $21 |
| Thyroid stimulating hormone (TSH) test | 73 | $16 | $47 |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 71 | $48 | $175 |
| Office visit, established patient (20-29 min) | 53 | $52 | $135 |
| Total protein level, urine | 52 | $4 | $15 |
| Drug injection, under skin or into muscle | 50 | $11 | $41 |
| Dialysis services, 2-3 physician visits per month (20 years or older) | 36 | $225 | $900 |
| New patient office visit (45-59 min) | 28 | $107 | $315 |
| Uric acid level test | 23 | $4 | $12 |
| Basic metabolic blood panel | 20 | $8 | $37 |
| Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free | 18 | $30 | $35 |
| Flu vaccine administration | 18 | $29 | $41 |
| Telephone medical discussion with physician, 11-20 minutes | 17 | $64 | $135 |
| Office visit, established patient, complex (40-54 min) | 14 | $105 | $275 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
Associated products mentioned in payments ›
Most payments (98%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
3.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Warren is a mixed practice specialist, with above-average Medicare volume (top 1% in FL), and high industry engagement (low-engagement, top 19%), with 20 years of practice experience.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
Is Dr. Warren experienced with iron sucrose injection (venofer)?
Does Dr. Warren receive payments from pharmaceutical companies?
How do Dr. Warren's costs compare to other nephrologys in Orlando?
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Explore related providers
All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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