Parents, keep an eye out for RED-S red flags
Relative energy deficiency in sport, or RED-S, affects athletes who burn more calories than they take in and can have dangerous health consequences.
Billy Hsu, DO
4.9
Doctor of osteopathic medicine (DO)
Family medicine
(board certified)
Sports medicine
(board certified)
Medical Group
Sharp Rees-Stealy
Insurance
Billy Hsu, DO
4.9
Doctor of osteopathic medicine (DO)
Family medicine
(board certified)
Sports medicine
(board certified)
Medical Group
Sharp Rees-Stealy
Insurance
Schedule an appointment
Not accepting new patients
Virtual visits available
Location and phone
300 Fir Street
San Diego, CA 92101
Get directions
Care schedule
Sharp Rees-Stealy Downtown
300 Fir Street
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Monday
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Tuesday
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Wednesday
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Thursday
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Friday
About Billy Hsu, DO
I became a physician to make a lasting impact on people's health. When I studied as a Buddhist monk, I knew that the best way to do this was to develop a strong and trusting relationship with people. I am a dual board-certified physician in both Family Medicine and Sports Medicine. My goal is to provide compassionate, comprehensive care to all patients to recover from any injury or illness. This involves sharing the latest up-to-date information to guide patients in the best way possible. I provide primary care for patients of all ages, including preventive care and treatment for all injuries and diseases. I enjoy staying active by running and playing golf and basketball. I also enjoy spending time with my family and traveling the world.
Age: 36
In practice since: 2023
Gender: Male
Languages: English
Education
Alabama College of Osteopathic Medicine: Medical School
University of Michigan Health System: Fellowship
Spectrum Health - Grand Rapids Medical Education Program: Internship
Spectrum Health - Grand Rapids Medical Education Program: Residency
Areas of focus
- Anxiety and panic disorders
- Arthritis
- Back evaluation and treatment
- Depression
- Diabetes
- Eating disorders
- Headache
- Hypertension
- LGBTQ health
- Men's health
- Nutrition
- Osteoporosis
- Sports medicine
To confirm coverage for specific treatments and procedures, contact your physician or health plan.
NPI
1114589280
Patient Portal
Insurance plans accepted
Billy Hsu, DO, accepts 35 health insurance plans.
Ratings and reviews
4.9
320 ratings
Patient ratings
Patient reviews
Verified Patient
July 10, 2025
5.0
Dr. Hsu is the most caring doctor I've had in years
Verified Patient
October 1, 2025
5.0
Dr. Hsu did a great job at getting an answer to my month+ long medical issues. Very commutative.
Verified Patient
May 8, 2025
5.0
Dr Billy Hsu is excellent!
Verified Patient
May 4, 2025
5.0
Dr. Billy Hsu is a great listener and he is very supportive in directing me to the best healthcare options available. If I have questions it is very easy to ask him with zero judgment. He is a solution-driven doctor which I appreciate because my past doctors only focused on treating symptoms while Dr. Hsu focuses on eliminating and/or reducing the problem.
Reviews are collected through nationally recognized Press Ganey patient satisfaction surveys. Learn more about ratings and reviews.
Special recognitions
Guardian Angel recognitions
Billy Hsu, DO, has received Guardian Angel recognitions from grateful patients and families. Have you and your family received exceptional care from Billy Hsu, DO? Consider paying tribute with a Guardian Angel gift.
Guardian Angel recognitions
Billy Hsu, DO, has received Guardian Angel recognitions from grateful patients and families. Have you and your family received exceptional care from Billy Hsu, DO? Consider paying tribute with a Guardian Angel gift.
Featured in Sharp Health News
Billy Hsu, DO, has been featured as a medical expert in Sharp Health News.
All affiliated doctors referred by Sharp HealthCare are in good standing with a Sharp hospital or medical group and pay no fees to be included in this service. Doctors are not employees or agents of Sharp HealthCare. Selection is based on your particular needs. Learn more about how doctors and other providers are included in this service and the information displayed here.