Meet the Doctors

Rated as one of the most trusted chiropractic practices in the Tri- Valley, our doctors use only the Gonstead Technique to deliver holistic healing to our patients. We are known for taking on tough cases, and we’re exceptional at restoring our patients’ health.

Your well-being is our passion. We are excited to bring this mission to you. Find out why over 5,000 patients already trust us, and finally find relief in your own pains.

View Our Doctors

Choose Your Clinic Location:

Pleasanton, CA

Concord, CA

Dr. Zakariya Champa, DC

Dr. Zakariya (Zak) Champa received his Doctor of Chiropractic degree from Palmer College of Chiropractic in San Jose, CA. One day, while playing football, he injured his lower back and couldn’t walk for two weeks. He found a Gonstead Chiropractor who helped him eliminate all pain in the first two adjustments. This inspired him to pursue chiropractic as a career to help others experience being freed from pain. 

He is a passionate Chiropractor at Intero Chiropractic, where he is known for his precise adjustments and warm smile. Dr. Zak is on a mission to meet all types of people and get them to a better qualify of life. 

He’s attended more than 250 hours of Gonstead seminars so that he can remain focused on improving the health of patients and applying the Gonstead technique to transform their lives. In his free time he enjoys basketball, tennis, golf, billiards and taking hikes in nature or spending time with family.

Dr. Fiona Cheung, DC

Dr. Fiona Cheung received her Doctor of Chiropractic degree from Life Chiropractic College West in Hayward, CA. She was born and raised in Hong Kong and moved to the United States when she was 14. She can speak fluent Cantonese and Mandarin.

She received a Bachelor’s degree in Exercise Biology from University of California, Davis. Her interest in the field of healthcare began at a very early age, she came across chiropractic care one day and decided she wanted to become a chiropractor so she could help a lot more people.

Her mission is to improve the quality of life through the power of chiropractic. She has accumulated 200+ hours of additional training in the Gonstead System and has been continuing to improve her knowledge in the great Gonstead work. She works hard and plays hard. In her free time, she loves to play badminton and do all kinds of outdoor activities.

Dr. Seunghwan Kim, DC

Dr. Seunghwan Kim is a chiropractor who has spent years fine-tuning the Gonstead chiropractic technique, attending 54 seminars and interned for three years with Dr. Richard Burns, Chairman of Palmer Chiropractic College. He is currently most passionate about the work he is doing to help improve the lives of Intero’s patients.

In 2015, he had a lower back injury and his personal chiropractor helped him get back to normal life. This made him interested in helping others have an optimal spine without pain or discomfort. Dr. Kim grew up in South Korea, obtained his Bachelors of Administration and then came to the United States in 2017 and pursued his career dreams.

He received his Doctor of Chiropractic at Palmer College of Chiropractic in Davenport, Iowa. Dr. Seunghwan has developed a unique perspective when it comes to chiropractic care. Influenced by Dr. Herb Wood and Dr. Jerry Hsieh, he aspires to use his Gonstead skills at the highest level, while serving the patients that walk into Intero Chiropractic’s clinics. In his free time, he likes to read books and take walks with his wife.

Dr. Luke J. Sparaccio, DC

Dr. Luke J. Sparaccio was born and raised in Long Island, New York. He became interested in chiropractic when he attended a personal training program at the age of 18. It was at this time that Dr. Luke knew that Chiropractic was his calling. After receiving a bachelor’s degree in Biology from SUNY Cortland, he attended Sherman College of Chiropractic in Boiling Springs, SC.

Dr. Luke’s additional training includes 250+ hours of training in the Gonstead System of analysis and completion of Basic I and II training of Orthospinology, a Specific Upper Cervical technique. He is currently enrolled in a 200-hour online post graduate studies course from Functional Medicine University.

In his free time, along with improving his knowledge and understanding of the body, he is constantly reading and exploring the outdoors. He has a deep passion and commitment for educating and empowering people to live and function at their highest potential.

Meet Intero's Founder


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