Rheumatology at Mission Heritage Medical Group

At Mission Heritage Medical Group, we believe in multidisciplinary and comprehensive care. Our rheumatologists can involve a wide range of respected experts in your care, from orthopedic surgeons and pain medicine specialists to endocrinologists and physical therapists. This allows comprehensive care that is not only more convenient but more effective.

Our commitment to providing the finest evidence-based medicine means we are continually applying the latest research and improvements in care, from new infusion therapies to cutting-edge biologics (which "turn off" the inflammatory response and prevent further damage of the joint and surrounding tissues). But our fellowship-trained rheumatologists not only apply the newest advances—they help develop them. By participating in some of the most exciting research in the field of rheumatology today, our physicians are involved in developing new therapies to minimize disability and pain.

Mission Heritage Medical Group’s Infusion Center serves patients throughout all of Orange County and offers the latest in drug therapy for osteoporosis and autoimmune diseases. We also offer the skills of a Nurse Practitioner with a subspecialty in rheumatology, who collaborates closely with the rheumatologists to provide the highest quality of rheumatology care.

Addtional Resources

American College of Rheumatology

Arthritis Foundation

Scleroderma Foundation

Lupus Foundation of America


National Fibromyalgia and Chronic Pain Association

Conditions Treated

Rheumatoid arthritis




Polymyalgia rheumatica




Psoriatic arthritis





Henoch-Schonlein purpura

Raynaud's disease


Antiphospholipid Antibody Syndrome


Our Providers

Our Provider

Hernan P. Castro-Rueda, MD
Hernan P. Castro-Rueda, MD
City:  Mission Viejo
4.7 out of 5

Meet Our Program Director

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deser

Our Locations

  • Mission Viejo - Rheumatology & Infusion Center 26732 Crown Valley Pkwy., Suite 151
    Mission Viejo, CA 92691
    View This Location
Mission Viejo - Rheumatology & Infusion Center

Mission Viejo - Rheumatology & Infusion Center

26732 Crown Valley Pkwy., Suite 151
Mission Viejo, CA 92691

Mon - Fri: 8:30 a.m. - 4 p.m.

View This Location