Dr. John Maher's Valley Center Chiropractic and Holistic Care is conveniently located in The Court Yard in the middle of Valley Center. For some, finding and choosing the right doctor with the skill, experience, education, integrity, technical training, tools and skills in chiropractic, nutrition and alternative medicine who can help you get well without drugs or surgery can be a daunting task. For others, finding a doctor who is on your insurance or Medicare plan, or has reasonable fees.