Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Radiation Oncology

Leonard M. Toonkel, MD

Works at hospitals in Sebring, FL · College Station, TX · Miami Beach, FL · Florida, Texas

Summary

Dr. Leonard M. Toonkel, MD is a radiation oncologist at 2845 Aventura Blvd, Suite 243, Aventura, FL 33180. Phone: (305) 692-5440. Accepts Medicare assignment. In 2024, Leonard M. Toonkel had 33 Original Medicare patients and 109 services. NPI 1356315147. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Leonard M. Toonkel, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Leonard M. Toonkel accept Medicare assignment?
Yes. Medicare's clinician data says Leonard M. Toonkel accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Leonard M. Toonkel see?
In 2024, CMS data shows 33 Original Medicare patients and 109 services for Leonard M. Toonkel. This counts Original Medicare only and measures volume, not quality.
What is Leonard M. Toonkel's NPI number?
1356315147. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Leonard M. Toonkel, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients33
Services billed to Medicare109
Different services or procedures17
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Radiation treatment management, 5 treatment sessions (77427)48 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)25 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
  • High blood pressure67%
  • Ischemic heart disease48%
  • Arthritis36%
  • Anxiety33%

Hospitals where Leonard M. Toonkel works

Medicare's Facility Affiliation Data lists Leonard M. Toonkel at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Leonard M. Toonkel is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Leonard M. Toonkel as a member of this group (CMS data updated October 2, 2026).

  • MSMC Oncology, LLC4 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Florida →

Other radiation oncologists in Florida

Clinicians with the same Medicare primary specialty in Florida — not a recommendation.

All radiation oncologists in Florida →

Other clinicians in MSMC Oncology, LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Miami, Lm Miller School Of Medicine
Graduation year1975 (51 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1356315147
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians