Precision care by experts in the field

Through our doctors’ extensive post graduate studies and clinical research, Pierce Clinic of Chiropractic of St. Petersburg has become recognized as one of the most advanced clinics in the nation utilizing the Advanced Orthogonal Adjusting Procedure.

All the doctors at Pierce Clinic of Chiropractic are experts in the field of Upper Cervical chiropractic. Many have lectured at academic institutions and international health care symposiums on the discoveries and advancements in Advanced Orthogonality. Our Chiropractor Doctors are constantly researching and incorporating the latest and most innovative methods to help our patients achieve their optimum expression of health.

Certified Advanced Orthogonist
Clinic Director

Dr. Pierce, a third generation Chiropractor, has practiced in St. Petersburg, FL since 1968. He was the third recipient of the C.C.E. Sherman College Board Certification in Atlas Orthogonality and has attended over 50 symposiums in the analysis and treatment of neck conditions. In addition to being the founder and developer of the Advanced Orthogonal Techniques and Procedures program, Dr. Pierce was an instructor for the R.W. Sweat Foundation of Atlanta, Ga. He is currently the Lead Instructor on the Advanced Orthogonal Technique and designed the Advanced Orthogonal Percussion Adjusting Instrument. Dr. Pierce has participated on the Extended Faculty of the Sherman College of Chiropractic, Life Chiropractic College West, and Palmer College of Florida. He also developed the first Post Graduate Intern Program for Advanced Upper Cervical Doctors. Dr. Pierce is a dedicated Christian, husband, father, grandfather, great grandfather and enjoys an occasional game of golf.

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Certified Advanced Orthogonist
Director of Doctors

Dr. Slininger lives in St. Petersburg with his wife Mary and their three children.  He was born and raised in Point Pleasant New Jersey.  He joined the U.S. Army Reserves out of high school and served overseas in Kuwait during Operation Iraqi Freedom as a Heavy Construction Engineer. He continued his military career as a Training NCO in the Medical Corps.  He served for 9 years.

While in the service, Dr. Chris completed his Bachelors of Science from Eastern University in St. David’s, Pennsylvania as an Athletic Trainer.  He worked with many athletes and teams on proper training techniques as well as rehabilitation and prevention of sports injuries. He went on to receive his Doctorate of Chiropractic from Life Chiropractic College West in Hayward, California where he focused his studies on Upper Cervical Chiropractic Care.  Upon graduation, he moved to Florida to attend the Advanced Orthogonal “Boot Camp” Intensive Training and began work immediately at the Pierce Clinic of Chiropractic.  He is currently pursuing his Diplomate in Chiropractic Cervico-Cranial Junction Procedures through the International Chiropractic Association’s Council on Upper Cervical Care.

As a Certified Advanced Orthogonist, Dr. Slininger is focused on removing nerve interference in the upper cervical spine that causes serious health issues.  He is the Director of Doctors at the Pierce Clinic, ensuring other doctors are trained and refined in the care of their patients.  He is also a Board Member and Instructor at the Advanced Orthogonal Institute, where he and his team teach doctors and students from all over the world this cutting-edge chiropractic procedure.

Dr. Slininger has a deep desire to see every person have the opportunity to experience the God-given potential for vibrant health and an exuberant life.  He is fueled by the passion for people to have more than just symptom relief, but to experience true and complete healing in their life by pinpointing and correcting the root cause of whatever symptoms or health problems they are experiencing.  He is dedicated to empowering others to take control of their own health and sustain it.

Dr. Slininger is a professional teacher and speaker.  He has taught and created many teaching programs, lectures and seminars helping others understand the simplicity of health and understand the principles that fuel it.  His seminars are mostly taught locally and requested privately.

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Certified Advanced Orthogonist

Dr. Duyen Ngo was born in Boston, Massachusetts and grew up in St. Petersburg, Florida. She received her Bachelor’s Degree in Biomedical Science with a minor in Public Health from the University of South Florida. While concentrating on her studies, Dr. Ngo volunteered with various health care organizations where she developed a passion for helping others and making a difference in her community. As she pursued to enhance her knowledge and credentials in health care, she moved to Port Orange, Florida to complete her Doctorate Degree from Palmer College of Chiropractic. During her first year as a Chiropractic student, she was exposed to Advanced Orthogonal Care and began her post-graduate training while she was still in undergraduate studies.

Her educational and professional experiences have given her the opportunity to care for patients in respect to various aspects of the human body. Her goal is to help suffering humanity and promote a healthy lifestyle through Upper Cervical Chiropractic care, exercise and balanced nutrition. Dr. Ngo enjoys traveling and spending quality time with her family and friends.

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Certified Advanced Orthogonist

Dr. Joshua Silver was born and raised in Los Angeles, California. He attended Sonoma State University where he received his Bachelor’s of Science in Kinesiology and studied the human frame. While there, he also attended National Holistic Institute where he completed his training in Massage Therapy. However, after meeting a chiropractor and having a life-changing experience, he decided to pursue a Doctorate in Chiropractic.

Dr. Silver attended Life Chiropractic College West in Hayward, CA where he graduated with honors. In his time there, he was involved with many leadership positions and spoke at several seminars. Finally, he decided to pursue a Diplomat in Functional Neurology and attended post graduate training with the Carrick Institute. After discovering Advanced Orthogonal Care, he became interested in mastering the technique and moved from California to Florida to study with Dr. Pierce. Today, Dr. Silver uses his knowledge in Advanced Orthogonal and Functional Neurology to assure his patients have the best recovery possible. He believes every individual deserves an honest chance at maximum health and tries to exemplify that within himself.

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Certified Advanced Orthogonist

Dr. Miller was born and raised in the heart of the Midwest, Des Moines, Iowa. He received his bachelor’s degree from Simpson College. Throughout his high school and undergraduate studies, Dr. Miller always loved science, and helping people, but he didn’t find a career that resonated with him until he discovered chiropractic.

Dr. Miller attended Life University in Marietta, GA where he duel-enrolled in the Doctorate of Chiropractic program and the Sports Health Science Master’s program. During his time at school, Dr. Miller was able to work with and provide pre and post event care to athletes from Life University as well as from Kennesaw State University. During the last half of his schooling, he was accepted into an honors research tract. He worked extensively with faculty doctors and specialized in upper cervical chiropractic research. Dr. Miller completed a study on Atlas adjustments and balance that is pending publication.

Dr. Miller graduated from Life University with a Doctorate in Chiropractic with Research Honors and a Master’s in Sports Health Science. He completed the Advanced Orthogonal Fundamentals series as well as an Advanced Orthogonal Internship where he dedicated himself to advancing his skills. In addition to being a treating doctor at the Pierce Clinic, Dr. Miller also serves as the Director of Research and Development for the Advanced Orthogonal Institute. Today, Dr. Miller is excited to be able to use his skills and training to help people live a better quality of life, by restoring health and function to his patients. He enjoys spending time with his wife, who is an animal chiropractor, playing golf, and reading.

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