Dr. Grodonoff Nelson, D.O.
What this data tells you about Dr. Nelson
Dr. Grodonoff Nelson is a family medicine in Ocala, FL, with 15 years in practice. Based on federal Medicare data, Dr. Nelson performed 2,650 Medicare services across 1,838 unique beneficiaries.
Between the years covered by Open Payments, Dr. Nelson received a total of $12,055 from 46 pharmaceutical and/or device companies across 667 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in family medicine. 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. Nelson 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 |
|---|---|---|---|
| Office visit, established patient (30-39 min) | 297 | $81 | $225 |
| Blood draw (venipuncture) | 252 | $8 | $9 |
| Comprehensive metabolic blood panel | 229 | $10 | $45 |
| Complete blood count (CBC) with differential | 222 | $8 | $33 |
| Lipid panel (cholesterol and triglycerides) | 209 | $13 | $57 |
| Hemoglobin A1c test (diabetes monitoring) | 207 | $9 | $41 |
| Drug injection, under skin or into muscle | 139 | $10 | $75 |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | 127 | $1 | $7 |
| Thyroid stimulating hormone (TSH) test | 122 | $16 | $71 |
| Annual wellness visit, follow-up | 119 | $128 | $341 |
| Vitamin B-12 level test | 115 | $15 | $64 |
| Vitamin D level test | 98 | $29 | $125 |
| Free thyroxine (T4) test | 94 | $9 | $39 |
| Automated urinalysis | 74 | $2 | $10 |
| Office visit, established patient (20-29 min) | 59 | $49 | $153 |
| Office visit, established patient, complex (40-54 min) | 55 | $136 | $303 |
| Urine microalbumin (protein) analysis | 48 | $6 | $20 |
| Folic acid level test | 45 | $14 | $63 |
| Creatine kinase (cardiac enzyme) level, total | 40 | $6 | $28 |
| Prostate cancer screening; prostate specific antigen test (psa) | 38 | $19 | $62 |
| Electrocardiogram (EKG), 12-lead | 20 | $10 | $67 |
| Nursing facility visit, moderate complexity | 17 | $75 | $186 |
| Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | 13 | $107 | $280 |
| New patient office visit (45-59 min) | 11 | $97 | $358 |
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 (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians. Total industry engagement is in the top 3% for family medicine in FL.
Geographic Context
0.0 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. Nelson is a clinical cardiology specialist, with above-average Medicare volume (top 13% in FL), and high industry engagement (low-engagement, top 3%), with 15 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. Nelson experienced with office visit, established patient (30-39 min)?
Does Dr. Nelson receive payments from pharmaceutical companies?
How do Dr. Nelson's costs compare to other family medicines in Ocala?
What does Data Coverage mean?
Is this data up to date?
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.
Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology