Dr. Richard John Cassidy III, MD

Dr. Cassidy practices at Cancer Specialists of North Florida in Jacksonville, Florida.

Dr. Cassidy's NPI, 1427391861, was assigned on April 4, 2013. Dr. Cassidy graduated from University Of Florida College Of Medicine in 2013. Dr. Cassidy holds Florida license ME135490.

Dr. Cassidy's primary practice is Cancer Specialists of North Florida, at 7015 A C Skinner Pkwy, Jacksonville, FL 32256 in Duval County. The practice phone is (904) 363-2113.

Dr. Cassidy's primary practice is Cancer Specialists of North Florida in Jacksonville, Florida. Dr. Cassidy is also affiliated with Baptist Medical Center Beaches. The medical group on file is Cancer Specialists of North Florida. Dmand AI also links Dr. Cassidy to 1 more group practice or clinic, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cassidy practices, 2 sites in all. Vendor and product names are available with a free account.

Radiation oncology is Dr. Cassidy's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Cassidy is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Cassidy's licenses on file in 2 states: Florida and Georgia.

Dmand AI lists anal cancer radiation, bladder cancer radiation, bone cancer radiation, brain cancer radiation, breast cancer radiation, cancer radiation-upper GI, head & neck cancer radiation and lung cancer radiation among the conditions Dr. Cassidy treats.

CMS data shows 4,381 Medicare services from Dr. Cassidy across 22 procedure codes in 2024, for 276 Medicare patients. Medicare paid $869,174 for them. Every service was in an office.

CMS counts 276 Medicare patients who saw Dr. Cassidy in 2024. The largest group is 65 to 74, with 124 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.02, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Cassidy's median patient age at 70, with 44% women.

In 2024, Dr. Cassidy wrote 312 Medicare Part D claims for 130 patients. 77% of them were for generic drugs. CMS names the drug for 204 of them, across 10 drugs with 11 or more claims each, at $2,262 in total drug cost. In 2023, CMS named 145 claims across 9 drugs.

Dr. Cassidy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 39 papers to Dr. Cassidy, published from 2015 to 2021. 2017 was the busiest year, with 11. The most frequent topics are Chemoradiotherapy, Antineoplastic Combined Chemotherapy Protocols and Adenocarcinoma. Dr. Cassidy has published most often in Cancer. Dr. Cassidy's most frequent co-authors are Conor Ernst Steuer, MD, Jonathan Jay Beitler, MBA, MD and Jim Zhong, MD.

CMS Open Payments shows 55 general payments to Dr. Cassidy from 27 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $339.

Dmand AI lists 12 awards for Dr. Cassidy, most recently Abstract Selected For Press Release in 2017.

Dr. Cassidy graduated from University Of Florida College Of Medicine in 2013. Dr. Cassidy is a member of AOA, ACR, AMA, ASTRO and ASCO.

Dr. Cassidy is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.