Dr. Timothy Kerwin, MD
What this data tells you about Dr. Kerwin
Dr. Timothy Kerwin is a radiology - diagnostic in Naples, FL, with 19 years in practice. Based on federal Medicare data, Dr. Kerwin performed 18,449 Medicare services across 4,090 unique beneficiaries.
Between the years covered by Open Payments, Dr. Kerwin received a total of $78,475 from 26 pharmaceutical and/or device companies across 184 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in radiology - diagnostic. 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. Kerwin 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 |
|---|---|---|---|
| CT guidance for radiation therapy | 4,978 | $97 | $384 |
| Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session | 4,825 | $286 | $1,160 |
| Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev | 2,087 | $186 | $796 |
| Radiation treatment management, 5 treatment sessions | 1,514 | $157 | $598 |
| Calculation of radiation therapy dose | 1,080 | $53 | $205 |
| Continuing radiation therapy consultation per week | 1,011 | $70 | $254 |
| Design and construction of complex radiation treatment device | 539 | $99 | $389 |
| Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 513 | $60 | $233 |
| Complex radiation therapy planning | 330 | $136 | $530 |
| Design and construction of radiation treatment device for high precision radiation therapy | 225 | $374 | $1,461 |
| High precision radiation therapy planning | 221 | $1,472 | $5,861 |
| New patient office visit, complex (60-74 min) | 209 | $179 | $701 |
| Office visit, established patient (30-39 min) | 176 | $103 | $406 |
| Cranial lesion surgery using radiation over multiple sessions | 129 | $802 | $3,539 |
| Obtaining data needed to develop the optimal radiation treatment, 1 treatment area | 113 | $213 | $874 |
| Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved | 103 | $358 | $1,512 |
| New patient office visit (45-59 min) | 95 | $136 | $531 |
| Special radiation therapy planning for delivery of external radiation | 74 | $74 | $293 |
| Special radiation therapy planning | 72 | $52 | $202 |
| Office visit, established patient, complex (40-54 min) | 40 | $145 | $569 |
| Office visit, established patient (20-29 min) | 35 | $68 | $287 |
| Design and construction of simple radiation treatment device | 31 | $31 | $131 |
| 3d radiation therapy planning | 28 | $378 | $2,003 |
| Management of cranial lesion surgery using radiation over multiple sessions | 21 | $527 | $2,019 |
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 (78%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in radiology - diagnostic and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 3% for radiology - diagnostic in FL.
Geographic Context
5.2 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. Kerwin is a clinical cardiology specialist, with above-average Medicare volume (top 1% in FL), and high industry engagement (speaking/promotional, top 3%), 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
Is Dr. Kerwin experienced with ct guidance for radiation therapy?
Does Dr. Kerwin receive payments from pharmaceutical companies?
How do Dr. Kerwin's costs compare to other radiology - diagnostics in Naples?
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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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