About Us

About Our Santa Ana Medical Clinic

First Hope Medical Clinic, Inc. / OC Injury Doctor Provides patients with high quality health care with the most respected medical professionals of the area which has helped First Hope Medical Clinic establish itself one of the region's leading Multi-Specialty group.

At First Hope Medical Clinic, we believe the relationship between you and your health care provider is one based on trust. It is the knowledge, values, skills and commitment of our doctors and staff which continue to earn the trust of the people we serve every day.

First Hope Medical Clinic Offers Multi-Specialty Health Care Services:

  • Orthopedic Surgery / Spine Surgery

  • Orthopedic Surgery / Upper & Lower Extremity

  • Board certified Anesthesiologist / Pain Management

  • Chiropractic / Physiotherapy

  • Radiology


First Hope Medical Clinic, Inc. / OC Injury Doctor is a doctor owned and governed multi-specialty medical group whose mission is to deliver the highest quality specialty healthcare to our patients


First Hope Medical Clinic, Inc. / OC Injury Doctor has achieved its reputation as the preeminent provider of specialty healthcare services in Orange County through the delivery of coordinated, value-driven services of the highest quality, while maintaining patient advocacy and employing sound business practices.


OC injury doctors provide the most comprehensive yet humanistic approach to pain and wellness medicine by combining clinical excellence with excellent customer service. We offer a full array of therapies, from cutting-edge Westernized medical approaches to chiropractic treatment.

We offer the experience, skill, and state-of-the-art medical technology to help you regain full mobility and return to the activities you love. Whether you’re suffering acute pain from a sports injury, slip and fall, automobile accident, or long-lasting chronic musculoskeletal pain, you have access to our doctors with the following specialties:

  • Orthopedic Surgeon: Evaluation of upper and lower extremities, arthroscopic surgery, Hip surgery, platelet-rich plasma (PRP) therapy, and myofascial trigger point injections.

  • Orthopedic Surgeon: Speciality in spine surgery.

  • Anesthesiologist / Pain Management in the form of cervical, lumbar epidural steroid injections, blocks, and facet injections.

  • Chiropractic/physiotherapy treatment.

Meet our Medical Team

William Simpson, MD - Orthopedic Surgeon

Dr. William Simpson, MD is an experienced, Spanish-bilingual orthopedic surgeon. He specializes in sports medicine, joints, foot, and hand surgery in Santa Ana.

Dr. Simpson approaches his patients with dedication to their well-being. He is a member of the American Board Medical Examiners, American Association of Experts in Traumatic Stress, American Board of Forensic Examiners, California Orthopedic Association, and American Public Health Association.

Dr. Simpson received his bachelor’s degree in mathematics from UCLA and received a master’s degree in neurophysiology from CSUDH. He began his medical education at the Kansas University Medical Center. He completed his general surgery internship at King-Drew Postgraduate Medical Center and completed a full residency in orthopedic surgery at King-Drew Postgraduate Medical Center. His specialized training included junior fellowship in pediatric orthopedic surgery, hand surgery, sports medicine, stroke and head trauma.

Dr. Simpson has been in practice since 1985. He treats patients with problems involving nerves, tendons, ligaments, arthritis, the neck, shoulders, elbows, wrists, hips, knees, ankles, and feet. Besides surgery, he performs platelet-rich plasma therapy, stem cell therapy, and cold laser treatments. He performs arthroscopies of shoulders, wrists, knees, and ankles. He also performs micro surgeries.

Dr. Michael Mousavi, DC

Qualified Medical Examiner
Agreed Medical Examiner
Independent Medical Examiner

Dr. Michael Mousavi, Board Certified Chiropractor licensed to practice chiropractic in California since 1996. Dr. Mousavi graduated from the Southern California College of Chiropractic (SCCC).

Dr. Michael Mousavi is a Qualified Medical Evaluator (QME) as well as an Independent Medical Evaluator (IME). He is certified by the Division of Workers' Compensation - Medical Unit to examine injured workers to evaluate disability and write medical-legal reports.

With over 2 decades of chiropractic training and expertise under his belt, he has treated thousands of patients with conditions ranging from whiplash, herniated disc in the neck and lower back, scoliosis, sciatica to carpal tunnel syndrome and enabled his patients achievement of optimal health.

Dr. Mousavi likes to remain on the cutting edge of research & treatment in his field. He also treats patients with the revolutionary spinal decompression machine.

Dr. Michael Mousavi recognizes the value and responsibility of working in cooperation with the other health care practitioner’s when in the best interest of the patients. He is also Clinical Director of Chiropractic department at First Hope Medical Clinic.

Dr. James Noe, D.C.

Dr. James Noe, Board Certified Chiropractor licensed to practice in California since 1999. He went to Palmar Chiropractic College in Davenport, Iowa and transferred to Cleveland Chiropractic College of Los Angeles where he graduated in 1998. He has been practicing in Southern California over 20 years treating patients with injuries like whiplash, herniated disc, and subluxations from sports injury, auto accident and work accident. Dr. James Noe is Certified Medical Examiner for the Federal Motor Carrier Safety Administration to perform D.O.T (Department of Transportation) physical examination by ensuring that commercial motor vehicle (CMV) operators are physically qualified to drive.

Anesthesiologist / Pain Management PHYSICIAN


Orthopedic Surgeon / Spine Surgeon


First Hope Medical Clinic offers orthopedics, Orthopedic / Spine Surgeon, Anesthesiologist / Pain Management, chiropractic care, auto accident injury treatment, and other multispeciality healthcare services across