Dr. Rex C. Manayan
Board-Certified General Surgeon • Fellowship-Trained Thoracic Surgery
Why patients choose Dr. Manayan
Experience and credentials you can trust, paired with the kind of care that puts you at ease.
Board-certified & fellowship-trained
Held to the highest standard in vein and vascular medicine, with advanced fellowship training beyond residency.
Minimally invasive specialist
Focused on outpatient, image-guided treatments, most done through a tiny pinhole, not open surgery.
Patient-first care
Takes the time to explain every option clearly, with no pressure, so you can decide with confidence.
About Dr. Rex C. Manayan
Dr. Rex C. Manayan is a board-certified surgeon and vein specialist dedicated to treating vein conditions with safe, minimally invasive techniques. He specializes in relieving symptoms of varicose veins and venous insufficiency using advanced procedures designed to minimize discomfort and recovery time. Known for his compassionate, patient-focused approach, Dr. Manayan is committed to helping patients feel comfortable, informed, and confident throughout their care.
Professional Memberships
Languages
What patients say about Dr. Manayan
Patient feedback, collected independently through rater8.
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“Very patient with all my questions, made sure I was comfortable before during and after my procedure, the nurses and staff were also very kind.”
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“This office is VERY well run. One of the best medical experiences I have ever had. Staff is friendly and very knowledgeable. Everyone knows their role and the end-to-end process is very considerate of the patient’s time. Also, the doctor is extremely knowledgeable and thorough.”
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“The staff and the doctor, all have excellent customer service and bedside manners. They will make you laugh.”
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“I continue to be extremely satisfied with my visits. All the staff are so helpful and always have a SMILE on their faces, and Dr. Manayan is an ACE. Yep up the GREAT work!!”
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“This was my first time coming here. I was very comfortable with the whole team! The doctor was super cool! He listened to my concerns and treated me with compassion and respect. He explained everything to me in layman's terms, which makes a difference to me!”
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“Everyone at this location has been fantastic. I have 0 more treatments and I know I will do well with this group. Thank you.”
Primary office
Find Dr. Manayan in Ontario
Ontario clinic
Ontario, CA 91764
Care offered here
Dr. Manayan also sees patients from Rancho Cucamonga, Chino, Chino Hills, Fontana, Upland, and Montclair.
Most insurance accepted
Including Medicare, about 98% of the procedures we perform are covered. We verify your benefits before anything is scheduled.
See all accepted plans
Ready to meet Dr. Rex C. Manayan?
At Empire Vein, we’re committed to providing the highest quality of care for your long-term vascular health.