Your Orange physician.
Our Orange location is served by Dr. Trevor J. Tsay MD, board-certified in Family Medicine.
A clinic that feels different.
Our Orange location was designed to feel warm and welcoming — a space where you actually want to spend time.
Everything available at Orange.
Primary & Urgent Care
Same-day appointments, preventive care, chronic disease management, and urgent care-level access for members.
Learn more →Direct Doctor Access
Text or call your doctor directly. No phone trees, no gatekeepers. Real answers when you need them.
Wholesale Labs & Medications
Labs at wholesale pricing. Medications at cost. Members save significantly compared to traditional pricing.
Learn more →Hormone & Longevity
HRT, testosterone management, and hormone optimization — all managed within your membership.
Learn more →Weight Management
Physician-supervised weight management tailored to your body, your goals, and your lifestyle.
These services are available to everyone — no membership needed.
EKG
Fast, accurate EKG with same-day results reviewed by a board-certified physician.
Learn more →Surgical Clearance
Pre-op history & physical with basic labs included. Fast turnaround for surgical teams.
Learn more →Conveniently located for all of OC.
Our Orange clinic on E Katella Ave is easily accessible from across Orange County. We proudly serve patients from Orange, Anaheim, Villa Park, Yorba Linda, Fullerton, Placentia, Brea, Tustin, and surrounding communities.
Start with a doctor who knows your name.
Orange is currently accepting new members. Same-day appointments available.
Amity Health Orange
438 E Katella Ave, Suite B
Orange, CA 92867
By appointment — same-day appointments available