Dr. Mark Penn is a licensed chiropractor in California with extensive experience in musculoskeletal care, injury rehabilitation, and patient-centered chiropractic treatment. He earned his Doctor of Chiropractic degree from the Los Angeles College of Chiropractic in Whittier, California, completing his studies in 1987, and holds a Bachelor of Arts from the University of Colorado, Boulder (1978). Dr. Penn has maintained active licensure in California since 1988 and holds X-ray supervisor certification, enabling him to provide comprehensive diagnostic imaging in his practice.
Dr. Penn currently serves as the sole practitioner at Arroyo Chiropractic in Huntington Park, California, where he has treated patients since August 2008. His practice focuses on private pay, personal injury, and workers’ compensation cases, and he provides care in both English and Spanish. Prior to establishing Arroyo Chiropractic, he served as a staff chiropractor at Wholistic Doctor Group in Torrance, California (1997–2008), providing both private pay and insurance-based care, and at Cottage Home Health Center in Los Angeles (1998–2005).
Earlier in his career, Dr. Penn practiced at several prominent clinics, including a private practice in Eagle Rock, Los Angeles (1995–1997), Indiana Health Center in Boyle Heights, Los Angeles (1990–1995), and Hews Chiropractic Clinic in Albany, Oregon (1988–1990). Across all positions, he consistently provided direct patient care, comprehensive assessments, physical examinations, and treatment planning for diverse patient populations, with an emphasis on injury recovery and preventive musculoskeletal health.
Dr. Penn’s clinical expertise spans anatomy, physiology, patient evaluation, and the integration of diagnostic imaging into treatment planning. His professional philosophy emphasizes individualized care, evidence-informed techniques, and patient education to enhance overall wellness, functional mobility, and quality of life.
Throughout his decades-long career, Dr. Penn has demonstrated a commitment to excellence in chiropractic care, blending clinical precision with personalized attention to support the health and recovery of every patient he treats.