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

Dr. Brian John Deegan, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1639513757

Dr. Brian John Deegan, MD is a Radiation Oncology in Fleming Island, Florida. Graduated from University of Miami, Lm Miller School of Medicine in 2013, 13 years ago. Practices with Cancer Specialists LLC, a 46-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Florida.

Years since qualifying
13
Trained at
University of Miami, Lm Miller School of Medicine
Licensed in
FL
In the registry since
2013
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2370 Market Dr
Fleming Island, FL 32003
Phone: (904) 264-6201
Fax: (904) 264-6858
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 6431 Fannin St, Houston, TX 77030-1501 — (713) 500-6526

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence ME135085 (FL)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1639513757
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 19, 2013
Last updated in NPPESOctober 29, 2018
Mailing address7015 A C Skinner Pkwy Ste 1, Jacksonville, FL 32256-6932

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolUNIVERSITY OF MIAMI, LM MILLER SCHOOL 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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