About
Alberto Castiel, MD, FAAFP, is a board-certified family medicine physician practicing in Orange Park, Florida. He earned his Bachelor of Science in Biology and Pre-Med from St. John's University in Queens, New York in 1983. He then earned his Doctorate of Medicine from Universidad Tecnologica de Santiago, School of Medicine in Santo Domingo, Dominican Republic in 1986, graduating as Salutatorian. He completed his internship and family medicine residency at the University of Florida Health Science Center in Jacksonville between 1991 and 1994.
Dr. Castiel holds board certification as a Diplomate of the American Board of Family Medicine. He also serves as a Fellow of the American Academy of Family Practice and a Certified Medical Review Officer through the American College of Occupational and Environmental Medicine. He has served as Clinical Assistant Professor of Family Medicine at the University of Florida School of Medicine since 1995, at Florida State University School of Medicine since 2006, and at Nova Southeastern School of Physician Assistants since 2008. Since 2017, he has served as Team Physician for the Jacksonville Icemen Hockey Team. He also holds the role of Medical Director at Advanced Air Ambulance. His clinical interests include cardiovascular disease, diabetes, cancer detection, arthritis, weight loss, sports medicine, and prevention of feebleness. Dr. Castiel conducts patient visits in both English and Spanish. Outside the office, he enjoys scuba diving, motorcycling, basketball, and playing drums professionally.
Education & Training
Undergraduate
St. John's University, Queens, NY — Bachelor of Science, Biology/Pre-Med 1983
Medical School
Universidad Tecnologica de Santiago, School of Medicine, Santo Domingo, Dominican Republic — Doctorate of Medicine 1986, Salutatorian
Residency
Family Medicine, University of Florida Health Science Center, Jacksonville, FL 1992-1994
Additional Training
Internship: University of Florida Health Science Center, Jacksonville, FL 1991-1992
Certifications
Languages
English, Spanish
Conditions Treated
Who is Dr. Castiel right for?
Dr. Castiel is a strong fit for adults seeking proactive, relationship-driven primary care in the Orange Park area. Patients managing cardiovascular disease, diabetes, arthritis, or obesity benefit from his targeted clinical focus. He works well with athletes and active individuals dealing with sports injuries. Older adults who want to maintain strength and vitality will find his emphasis on preventing feebleness especially relevant. Spanish-speaking patients appreciate his ability to conduct visits in their preferred language.
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Frequently Asked Questions
Dr. Castiel focuses on cardiovascular disease, diabetes, cancer detection, arthritis, obesity, sports injuries, and prevention of feebleness. He brings board certification in Family Medicine and additional training in sports and preventive medicine to each of these areas. He builds a personalized action plan for every patient based on their specific health concerns and goals.
Yes. Dr. Castiel holds board certification as a Diplomate of the American Board of Family Medicine. He is also a Fellow of the American Academy of Family Practice and a Certified Medical Review Officer through the American College of Occupational and Environmental Medicine.
Dr. Castiel earned his medical degree from Universidad Tecnologica de Santiago, School of Medicine in Santo Domingo, Dominican Republic, graduating as Salutatorian in 1986. He completed his internship and family medicine residency at the University of Florida Health Science Center in Jacksonville, finishing in 1994.
Yes. Dr. Castiel conducts patient visits in both English and Spanish. This makes his practice accessible to Spanish-speaking patients throughout the Orange Park area and broader northeast Florida region.
Dr. Castiel has served as Clinical Assistant Professor of Family Medicine at the University of Florida School of Medicine since 1995. He also holds faculty appointments at Florida State University School of Medicine and Nova Southeastern School of Physician Assistants. Since 2017, he has served as Team Physician for the Jacksonville Icemen Hockey Team, and he has served as Medical Director at Advanced Air Ambulance since 2000.
Yes. Prevention is central to Dr. Castiel's practice. He uses the annual MDVIP Wellness Program to deliver comprehensive screenings and advanced diagnostics. He then uses those results to build individualized health plans aimed at catching and addressing problems early.
Dr. Castiel prioritizes a supportive environment where patients feel comfortable sharing their concerns. He invests time in understanding each patient's history and goals. That depth of relationship allows him to create action plans tailored specifically to each individual.
Dr. Castiel serves adults across Orange Park, Doctor's Lake, Fleming Island, Middleburg, north Florida, and south Georgia. His patient base includes those managing chronic conditions like diabetes and cardiovascular disease, active individuals with sports medicine needs, and older adults focused on maintaining their physical health and independence.
Doctor profile last updated June 9, 2026