Dr. John Clark, M.D.
What this data tells you about Dr. Clark
Dr. John Clark is a neurology in Fernandina Beach, FL, with 19 years in practice. Based on federal Medicare data, Dr. Clark performed 28,616 Medicare services across 1,047 unique beneficiaries.
Between the years covered by Open Payments, Dr. Clark received a total of $129,157 from 14 pharmaceutical and/or device companies across 229 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in neurology. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Clark 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 |
|---|---|---|---|
| Botox injection, per unit | 27,305 | $5 | $18 |
| Office visit, established patient (20-29 min) | 382 | $57 | $194 |
| Office visit, established patient (30-39 min) | 317 | $86 | $268 |
| Needle measurement of electrical activity in arm or leg muscles, complete study | 150 | $69 | $266 |
| New patient office visit, complex (60-74 min) | 85 | $151 | $511 |
| Office visit, established patient, complex (40-54 min) | 81 | $130 | $359 |
| Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face | 77 | $108 | $421 |
| Nerve conduction, 5-6 studies | 48 | $98 | $404 |
| Critical care, first 30-74 min | 35 | $160 | $539 |
| Hospital follow-up visit, low complexity | 29 | $37 | $135 |
| Measurement of brain wave activity (eeg), 61-119 minutes | 25 | $298 | $1,099 |
| Hospital follow-up visit, moderate complexity | 22 | $59 | $211 |
| New patient office visit (45-59 min) | 17 | $111 | $406 |
| Nerve conduction, 3-4 studies | 15 | $76 | $336 |
| Nerve conduction, 9-10 studies | 14 | $154 | $645 |
| Initial hospital admission, high complexity | 14 | $132 | $491 |
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 ›
The majority of payments (100%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in neurology and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 4% for neurology 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. Clark is a mixed practice specialist, with above-average Medicare volume (top 3% in FL), and high industry engagement (speaking/promotional, top 4%), with 19 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
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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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