Dr. Catherine Park Leonard, MD
What this data tells you about Dr. Park Leonard
Dr. Catherine Park Leonard is a radiology - diagnostic specialist in Barrington, IL, with 18 years of NPI registration. Based on federal Medicare data, Dr. Park Leonard performed 2,558 Medicare services across 1,201 unique beneficiaries.
Between the years covered by Open Payments, Dr. Park Leonard received a total of $1,552 from 9 pharmaceutical and/or device companies across 11 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. Park Leonard is Very High — reflecting how much public federal data is available about this provider. 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 This procedure uses computed tomography imaging to guide the precise placement of radiation therapy fields. It ensures accurate positioning for targeted treatment delivery. |
704 | $37 | $219 |
| Radiation treatment management, 5 sessions Oversight and management of a radiation therapy course consisting of five treatment sessions. |
305 | $157 | $1,201 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
294 | $52 | $94 |
| Design and construction of complex radiation treatment device This code covers the design and construction of a complex radiation treatment device. It does not specify the clinical purpose or conditions treated. |
288 | $49 | $484 |
| Calculation of radiation therapy dose | 267 | $27 | $255 |
| Complex radiation therapy planning | 117 | $140 | $1,332 |
| New patient office visit, complex (60-74 min) | 95 | $146 | $298 |
| Radiation treatment planning, complex This procedure involves obtaining the necessary data to develop an optimal radiation treatment plan for three or more treatment areas, or any number of areas requiring special treatment. |
73 | $68 | $714 |
| Radiation treatment planning, 1 area This procedure involves gathering the necessary data to design the most effective radiation therapy plan for a single treatment area. |
56 | $31 | $380 |
| Design and construction of radiation treatment device This code covers the design and construction of a device used for high precision radiation therapy. It does not include the actual administration of radiation treatment. |
54 | $181 | $1,720 |
| High precision radiation therapy planning This procedure involves the detailed planning and setup required for delivering high-precision radiation therapy to a target area of the body. |
48 | $337 | $2,420 |
| Design and construction of simple radiation treatment device This code covers the design and construction of a simple radiation treatment device. It does not specify the clinical purpose or condition being treated. |
42 | $20 | $228 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
41 | $80 | $134 |
| Complex radiation therapy planning This procedure involves the detailed planning required to deliver external beam radiation therapy to a patient. |
36 | $125 | $438 |
| 3D radiation therapy planning This procedure involves creating a three-dimensional treatment plan for radiation therapy. It uses imaging data to map the target area and surrounding tissues to guide precise radiation delivery. |
28 | $185 | $1,540 |
| Stereoscopic X-ray guidance for radiation therapy localization This procedure uses stereoscopic X-ray imaging to precisely locate the target area for radiation therapy delivery. |
26 | $17 | $110 |
| Special radiation treatment | 20 | $83 | $1,084 |
| Simple radiation therapy planning for internal radiation This procedure involves the basic planning required to deliver internal radiation therapy. It covers the initial setup and configuration for the treatment delivery. |
17 | $60 | $256 |
| Intraoperative radiation therapy management This code covers the management and evaluation of a patient during intraoperative radiation treatment. It involves the clinical oversight of radiation delivery while the patient is under anesthesia in the operating room. |
17 | $264 | $2,130 |
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
17 | $29 | $73 |
| Fractionated radiation therapy for cranial lesion Treatment using radiation delivered in multiple sessions to manage a lesion in the head. |
13 | $504 | $3,868 |
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)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
The majority of payments (64%) 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.
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 reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Park Leonard is a clinical cardiology specialist, with above-average Medicare volume (top 19% in IL), with speaking/promotional industry engagement, with 18 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. 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. Data Coverage reflects 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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