
Get to know us
"More Than a Clinic—A Commitment to Whole-Person Care."


Magnum Opus was founded on the belief that healing is both a science and an art. What began as a mobile pain clinic bringing advanced therapies directly to patients has evolved into a state-of-the-art regenerative medicine and aesthetics center. Today, we combine the precision of medical innovation with the luxury of personalized care—helping individuals restore vitality, relieve pain, and enhance natural beauty under one roof.
Our mission
To empower every patient to heal, renew, and thrive by delivering advanced regenerative therapies, holistic pain management, and medical-grade aesthetic treatments with compassion, excellence, and integrity.
Our vision
To redefine healthcare and aesthetics by becoming a premier destination where science, artistry, and holistic wellness converge—creating lasting transformations in body, mind, and spirit.


Our team
Our strength lies in our individuality. Set up by Dr. Calvin Kwan, the team strives to bring in the best talent in various fields.
Dr. Calvin Kwan
Founder / Naturopathic Physician, Holistic Pain Management, Sports Medicine, Regenerative Medicine, Performance Medicine


Dr. Amoz Van Dyke
Naturopathic Physician, Holistic Pain Management, EAN and Traditional Acupuncture


Brad Hemphill
Licensed Medical, Russian Sports Rehab, Deep Tissue Specialist.
Lisa Ramírez, LA, RDH
Holistic Aesthetician and Body Therapy / Aesthetics Injector Botox & Filler


Grecia Flores
Licensed Physician in Mexico / Health Consultant and Patient Educator for Spanish-speaking patients in the U.S.



