meet our team

Chiropractor Corona CA Thomas Ontiveros

Thomas Ontiveros D.C.

Dr. Ontiveros graduated from Los Angeles College of Chiropractic. His desire to help people have longer, healthier lives led him to Superior Health Centers.

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The smiles of Superior Health Centers patients when they regain their independence in life has fueled his desire to continually advance his own studies of peripheral neuropathy and diabetes in an effort to become more effective in his treatments. Outside of the office, Dr. Ontiveros enjoys exercising, gardening, and stargazing.

Chiropractor Glendale CA Daniel Yi

Daniel Yi D.C.

Dr. Yi has been in practice since 1998. He has genuine care for the patients which shows through his gentleness and attention to details. He treats every patients with respect and concern.

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He has seen and dealt with many kinds of ailments during his practice, now for over 17 years. He is open to learning new things and keeps updated with latest researches that could benefit his patients. Dr. Yi and his wife, Jean, recently adopted a baby boy and spends most of his free time with his family. He loves all kinds of sports and loves to play basketball and golf. He is very active and involved in his local church where he leads a men’s small group. He received his Bachelor of Science degree from UC Irvine.

Chiropractor Placentia CA Brijish Patel

Brijish Patel D.C.

Dr. Patel was born and raised in Southern California, and now is spends time with his 2 children and wife here.

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He chose to pursue healthcare to help those suffering from pain to get relief. He received his Bachelors from California State Long Beach and continued to SCUHS for his DC. When he's not working in the office, he spends time with his family, reading, and playing sports.


Alexa Benson NP

Alexa Benson was born and raised in the South Bay. Her passion was music and she graduated with honors from Chapman University with a Bachelor of Music in Vocal Performance. She later turned her attention to Nursing and graduated with honors from El Camino Community College.

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She immediately began working at Harbor-UCLA Medical Center in the Emergency Room as a Registered Nurse while attending the Women's Health Nurse Practitioner Program, receiving her certificate as a Nurse Practitioner in 2006. This led to her next passion, sexual assault forensics, where she began collecting evidence for law enforcement on local rape cases.

In 2008, she began working as a Nurse Practitioner at Harbor-UCLA in the Department of Emergency Medicine. Next, she received her Master's of Science (MSN) in Nursing at California State University, Long Beach. This led her to completing her dissertation on the development of a tool to measure genital injury, resulting in a Doctor of Philosophy (Ph.D.) from the University of California, Los Angeles. Dr. Benson uses holistic practices and genuine human caring to help aid in her patients healing.


James Alfon D.C.

Dr James Alfon, D.C. received his doctorate and Bachelor of Science at Palmer College of Chiropractic in Davenport, Iowa. He is passionate about helping other actively reach their health goals through proper nutrition and providing adequate treatment plans. When he’s not in the office, his hobbies include breakdancing, playing the guitar, playing basketball, and exercising.


Mark Kaufmann D.C.

Dr. Mark Kaufmann D.C. attended Ferris State University receiving his Bachelor of Science degree in Environmental Science. After spending 5 years as an environmental scientist he received his Doctorate from Los Angeles College of chiropractic in 1996. Dr. Kaufmann has been practicing in Southern California and Michigan for the last 20 years. In his spare time Dr. Kauffman loves spending time with his wife Nicole hiking, surfing and enjoying nature.

Dr. Marcos

Marcos Nacariti, DC

Dr. Marcos loves to help his patients beat the odds and overcome their obstacles, whether it be physically, mentally, or emotionally. He believes in being an ENABLER as opposed to a DISABLER by working with the patient's strengths to improve their "weakness".

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He graduated UC Riverside with his Bachelors of Science Degree in Biology while also attending West Coast College on the weekends working towards his Emergency Medical Technician license. He then worked as an EMT while attending Chiropractic school at Southern California University of Health Sciences, where he received his Doctor of Chiropractic degree with Magna Cum Laude honors.

Born in Southern California, raised in Brazil, Dr. Marcos is a loving husband of his gorgeous wife, Amanda, son of his hardworking parents Marco and Sandra, and brother of a US Marine, Lucas. When he is not at the clinic you can find him playing "futebol" (soccer in Portuguese), doing a "churrasco" (Brazilian BBQ), or volunteering with his Church.