John D. Branch, D.O.

Dr. Branch was born and raised in Long Beach, California, and decided at age twelve that he should become a physician. He earned his undergraduate degree from the University of California at San Diego, and his medical degree from Western University of Health Sciences/College of Osteopathic Medicine of the Pacific.
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Keith Curtis, D.O.

Keith D Curtis DO is a third generation native of Riverside, following in the footsteps of his father, Dr 
Dale A Curtis, MD. He completed his undergraduate degree at Lorna Linda University, La Sierra 
Campus, obtaining a B.S. in Health Science.

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Harold W. Jackson, D.O.

Dr. Jackson has been practicing in Riverside for nearly 40 years since completing his Family Medicine Residency at Riverside General Hospital. Before that, he practiced on the coast of Oregon for 3 years. Dr. Jackson earned his medical degree from Kirksville College of Osteopathic Medicine.
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Carl Knopke, M.D.

Dr. Knopke has been practicing medicine in the Riverside Area for over 10 years. He strives to maintain your health through a combination of healthy living and medical management.
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Dr. Kunaseelan

Dr. Kunaseelan or Dr. K as we call her, is the newest addition to the Raincross Family. Not only is she a Riverside native who graduated form Arlington High School, but also the only female physician in the group.
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Raj Sindher, M.D.

Dr. Sindher completed his residency in Family Medicine from Wayne State University in Detroit, Michigan, where he also served as Chief Resident. He is Board Certified in Family Medicine and has been in private practice in Riverside since 1982.
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Dr. Betina Greer, M.D.

Dr. Betina Greer M.D. lived in the Inland Empire most of her life. She went to elementary school, high school, graduate school locally and medical school at Loma Linda University School of Medicine, completing a Family Medicine Residency at Kaiser Riverside in 1996.
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