Meet the Doctor

Dr. Ronald Hammer  is a California Board-Licensed Chiropractic Physician

Dr. HammerHelpful, caring and concerned, Dr. Ronald Hammer has devoted himself to serving his patients and community to his fullest potential. He is deeply committed to service, assisting his patients to uncover, discover and resolve their underlying health problems and helping them achieve optimum health. He has helped thousands of patients achieve better health without medication to restore mobility and remain independent and active.

DATIA_logo.gifDr. Hammer has practiced in Petaluma for 39 years and is the founder of Hammer Chiropractic and Wellness Center, a state-of-the-art facility that provides chiropractic services, physical therapy and spinal-health educational programs. He incorporates traditional manipulative care, activator procedures, nutrition counseling and exercise stabilization procedures to support recovery and healing of many health issues.

Dr. Hammer has training in the following:

    • Activator method
    • Gonstead technique
    • Cranial sacral technique
    • Sports Injuries 
    • Active release technique
    • Kinesio Taping

Dr Hammer is active in his profession, as follows:

    • Diplomate of the American Board of Chiropractic Orthopedists
    • Fellow of the Academy of Chiropractic Orthopedists
    • Doctor of Chiropractic from Los Angeles College of Chiropractic
    • Post Graduate Training at Southern California University of Health Sciences
    • Member of The American Chiropractic Association (ACA)
    • Member of the American College of Chiropractic Orthopedists (ACCO)
    • Member of the California Chiropractic Association (CCA)
    • Past State-appointed Qualified Medical Evaluator 

Dr. Hammer is a member of the 7-11 Lions Club of Petaluma. He is a trustee emeritus of the Lions Eye Foundation of  California and Nevada San Francisco, California.

Please call 707-763-0564 today and ask for a free consultation

Our Location

709 Petaluma Blvd. | North Petaluma, CA 94952

Hours of Operation


9:00 am-1:30 pm

3:00 pm-6:00 pm


9:00 am-2:00 pm


9:00 am-1:30 pm

3:00 pm-6:00 pm


9:30 am-5:00 pm


9:00 am-1:00 pm

2:00 pm-5:00 pm


Emergency Service Available


Emergency Service Available