General Practitioners

• Arthritis
  This is an autoimmune disease in which the body's immune system (the body's way of fighting infection) attacks healthy joints, tissues, and organs. Occurring most often in women of childbearing age (15-44), this disease inflames the lining (or synovium) of joints. It can cause pain, stiffness, swelling, and loss of function in joints. When severe, rheumatoid arthritis can deform, or change, a joint. For example, the joints in a person's finger can become deformed, causing the finger to bend or curve.
• Fibromyalgia
  This chronic disorder causes pain throughout the tissues that support and move the bones and joints. Pain, stiffness, and localized tender points occur in the muscles and tendons, particularly those of the neck, spine, shoulders, and hips. Fatigue and sleep disturbances may also occur.
• Plantar Fasciitis
• Medical Weight Loss
  Because this disease involves tendons, muscles, ligaments, and tissues around the joint, symptoms often include pain, aching, and morning stiffness in the shoulders, hips, neck, and lower back. It is sometimes the first sign of giant cell arteritis, a disease of the arteries characterized by inflammation, weakness, weight loss, and fever.
• Nutritional Counseling
  Most of what you need to know about diet and nutrition is common sense; healthy eating is pretty much the same for anyone, whether you have arthritis or not. But there are exceptions.
• Pediatric Care
  Concussions, sports, and young children seem to be a hot conversation these days. So hot, that it was one of the major topics that the American Academy of Pediatrics covered last year in their annual conference. Concussions are on the rise, but why? And, if your child gets one while on the field, what should you do? Breezy Mama turned to
• Primary Care
  At OSI, we are happy to see you with or without a referral. Some insurance companies will require a referral from your Primary Care Specialist.
• Family Practice
  Dr. Riva studied Biology and Economics at UC San Diego and worked in the Biotech industry before attending Ross University School of Medicine. He completed a Family Medicine Residency at the University of Oklahoma in Oklahoma City where he served as a Team Physician for a number of high schools and local colleges. He also served as a Team Physician for the OKC Dodgers (AAA MLB), Oklahoma City Blue (NBA G-League), and the Oklahoma City Barons (AHL Hockey). Dr. Riva moved to Fort Worth, TX to complete a Sports Medicine Fellowship with John Peter Smith Hospital where he served as a Team Physician for Texas Christian University (TCU), covering the Horned Frogs Football, Baseball, Basketball, Track and Field, Tennis, Volleyball and Soccer teams.

Neurologists

• Neurology
  Marie graduated from Loma Linda University with her Doctorate of Physical Therapy in 2018. Prior to this, she received her Bachelor of Science in Kinesiology with a focus in Clinical Exercise Science from Cal State Fullerton. At LLU, she volunteered as a student therapist for an equine therapy program catering to the pediatric population, & thoroughly enjoyed her time as a Teacher’s Assistant in the Gross Anatomy Lab. Following graduation with her Doctorate, Marie worked as a travel PT for 2 years, with jobs anywhere from 75 to 1,700 miles from home. She made her way back to her hometown here in Orange County in 2021, & in her spare time enjoys rooting for the Angels, Ducks, & Rams, as well as being outdoors as much as she can. She has experience as a DPT in settings including but not limited to: Home Health, Skilled Nursing, Acute Rehab, Geriatrics, Pediatrics, Neurology, Cardiothoracic & of course, her passion – Orthopedics & Sports Medicine.
• Carpal Tunnel Syndrome
  Carpal Tunnel Syndrome is a common, painful, progressive condition that is caused by compression of the median nerve at the wrist area.

Radiologist

• Ultrasound
  The facility is also equipped with treatment interventions including electrical stimulation, ultrasound, phonophoresis, iontophoresis, mechanical traction, heat and ice.
• MRI
  On your visit to OSI, you should bring your ID, insurance card(s), any xrays you may have, and any MRI or CT scans you may have, old operative reports, and other consultations / notes. If you have specific questions you can call the office staff for your particular physician’s preferences. You should also consider bringing comfortable clothing to allow access to the body part to be examined or a disposable gown / shorts can provided at the office.
• X-Rays
• Computed Tomography
• Iontophoresis

Surgeons

• Orthopedics
  OSI offers a broad line of professional orthopedic services including Spine Surgery, Total Joint Replacement, Sports Medicine, Foot and Ankle, Hand and Upper Extremity and General Orthopedics. In addition to the physician's clinic, the center offers physical and hand therapy as well as digital X-ray and MRI.
• Arthroscopy
  Ankle arthroscopy is a minimally invasive surgical procedure in which an arthroscope, a small, soft, flexible tube with a light and video camera at the end, is inserted into the ankle joint to evaluate and treat a variety of conditions.
• Minimally Invasive Surgery
  Unicompartmental knee replacement is a minimally invasive surgery in which only the damaged compartment of the knee is replaced with an implant. It is also called a partial knee replacement.
• Bunion Surgery
  She watched her mother go through the nearly yearlong process of recovering from bunion surgery and was skeptical about doing it herself, but a new minimally invasive bunionectomy done by Dr. Jonathan Kaplan of Hoag Orthopedic Institute gave her hope.
• Joint Replacement
  Elbow Joint Replacement, also referred to as Total Elbow Arthroplasty is an operative procedure to treat the symptoms of arthritis that have not responded to non-surgical treatments.
• Hand Surgery
  At OSI, we feel that patients receive the best care when treated by someone who is an expert in the field. We feel the best results are obtained when patients are cared for someone who regularly sees, examines, and operates on patients with similar problems. It doesn’t make sense to have a hand surgeon do your knee replacement or to have a joint surgeon do your hand surgery. The Orthopedic Specialty Institute is a facility founded and organized by a group of dedicated, specialized Orthopaedic Surgeons to provide the highest quality of care in a professional, comfortable, congenial, and caring atmosphere.
• Bunions
• Arthroscopy
  Foot and ankle specialists focus on the treatment of disorders of the foot and ankle. This includes arthroscopy of the ankle joint, corrective osteotomies, and the treatment of traumatic injuries of the bones, tendons, and ligaments of the foot.
• Hip Replacement
  Judith F. of Santa Ana has had two hip replacement Surgeries. her right hip was replaced four years ago and her left hip earlier this year, this time using the anterior approach. Dr. Steve Barnett, an orthopaedic Surgeon at St. Joseph Hospital, Performed both surgeries. Both were successful, but she describes the difference between the procedures as "amazing".
• Knee Replacement
  IRVINE, CALIF., (February 4, 2021) – Hoag Orthopedic Institute (HOI) has named Jay Patel, M.D., the new chief strategy officer. He replaces James Caillouette, M.D., a founder of HOI who held the position for more than 10 years. Dr. Caillouette assumed the board Chair position on January 1, 2021. The institute performs the most hip and knee replacement surgeries in California.
• Knee Arthroscopy
  Knee Arthroscopy is a common surgical procedure performed using an arthroscope, a viewing instrument, to look into the knee joint to diagnose or treat a knee problem. It is a relatively safe procedure and a majority of the patient’s discharge from the hospital on the same day of surgery.

Plastic Surgeons

• Botox
  Dr. Jillani believes in a multidisciplinary approach to patient care. His options for treatment include patient education and restoration of function with use of rehabilitation therapies, analgesic medications and injection therapies to maximize treatment efficacy. Dr. Jillani’s interests are in spinal pain including neck, back, sacral and coccyx pain. His interests also extend to the treatment of migraine headaches with Botox treatments as well as electrodiagnostic testing (EMG/NCS) to diagnose peripheral nerve injuries. He is experienced in image-guided procedures to include spinal Injections, radiofrequency ablation, nerve blocks and peripheral joint injections.

Dermatologists

• Rashes
• Psoriasis
  Some people who have psoriasis, a common skin problem that causes scaling and rashes, also have arthritis. This disease often affects the joints at the ends of the fingers and can cause changes in the fingernails and toenails. Sometimes the spine can also be affected.
• Burns

Physical Therapists

• Sports Medicine
  Sports medicine is now recognized as a medical science that is expanding the understanding of the body's integrated response to all forms of physical activity. Our Surgeons can help you prevent and recover from injuries, whether you are a world class athlete or just slightly active.
• Physical Therapy
  Jennifer and the entire physical therapy staff strive to work closely with each physician at OSI to provide the most comprehensive, quality healthcare to our patients.
• Occupational Therapy
  Diane has over 30 years of experience treating upper extremity conditions including: fractures, arthritis, nerve and tendon injuries, burns. She graduated with honors from the University of Wisconsin-Milwaukee in 1979 with a BS degree in Occupational Therapy. She worked at an outpatient clinic in Gary, Indiana after college, being exposed to patients with a variety of industrial and traumatic hand injuries and became interested in pursuing hand therapy. She was one of the first therapists to pass the Hand Therapy Certification Examination in 1990 and has attended numerous conferences on therapy for the hand and upper extremity. She likes the close communication with the physicians at OSI which helps to promote improved patient care. In her spare time she enjoys yoga, training her dog, quilting and crafts, camping and traveling with her family.
• Frozen Shoulder
  Frozen shoulder, also called adhesive capsulitis is a condition characterized by pain and loss of motion in shoulder joint. It is more common in older adults aged between 40 and 60 years and is more common in women than men.
• Tennis Elbow
  Tennis elbow, also known as lateral epicondylitis, is a condition characterized by elbow pain due to overuse or overstretching of the elbow. The pain is caused from damage to the tendons that join the forearm muscles to the elbow.
• Shoulder Pain
• Ankle Sprain
  Ankle Sprains are a common injury that occurs from over stretching or tearing of the ligaments that support the ankle. The ankle is composed of bones forming a joint and ligaments are the elastic structures which are responsible for holding these bones in their proper place.
• Manual Therapy
  Jennifer brings over 20 years experience in orthopedic manual physical therapy to OSI. She has attended numerous continuing education courses to further broaden her manual therapy skill set and utilize evidence based practice to improve patient quality of life. Jennifer has extensive experience treating patients with a wide variety of diagnoses, including post operative conditions, complex spinal disorders, and conservative management of orthopedic conditions. Jennifer is a graduate of Chapman University, receiving her Master of Physical Therapy in 2001. She graduated with High Honors from Whittier College, earning a Bachelor of Arts in Physical Education and Recreation- Pre Physical Therapy Emphasis. She values spending time with her family and enjoys watersports, boating, and tennis.
• Geriatrics

Podiatrists

• Ankle Sprain
• Bunions Problems
• Plantar Fasciitis
  The plantar fascia is a long, thin ligament present along the bottom of the foot that creates the arch of the foot. It extends from the heel bone, and then splits and fans out to attach itself to the toes.