Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Richard John Cassidy III, MD

Individual provider Radiation Oncology Physician · NPI 1427391861

Richard John Cassidy III, MD is a Radiation Oncology in Jacksonville, Florida. Graduated from University of Florida College of Medicine in 2013, 13 years ago. Practices with Cancer Specialists LLC, a 46-clinician group and accepts Medicare assignment. Licensed in Florida.

Years since qualifying
13
Trained at
University of Florida College of Medicine
Licensed in
FL
In the registry since
2013
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

7015 A C Skinner Pkwy Bldg 100
Jacksonville, FL 32256-6932
Phone: (904) 516-3737
Fax: (904) 516-3738
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence ME135490 (FL)

Record details

NPI number1427391861
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 4, 2013
Last updated in NPPESJanuary 21, 2025
Certification dateJanuary 21, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRADIATION ONCOLOGY
Medical schoolUNIVERSITY OF FLORIDA COLLEGE OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Cancer Specialists Llc — 46 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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