- Sinusitis
- Pediatric CareTrained family physicians, diagnosed and treated psychophysiological disorders,published articles on obesity and psychophysiological problems. Consultant to departments of Pediatrics, Internal Medicine and Orthopedic Surgery.
- Primary Care
- Family PracticeASSOCIATE DIRECTOR 1977-1979 Division of Clinical Psychology and Behavioral Sciences Department of Family Medicine University of South Carolina, School of Medicine, Columbia, SC.
- Emergency CareNeuropsychological and psychological assessment and treatment of individuals with suspected or bona fide head injuries, chronic pain, and/or psychiatric conditions. Psychiatric disability assessment per request of physicians, attorneys, insurers and corporations. Neuropsychological and psychiatric IME's in non-industrial medical-legal cases and AME & QME evaluations for workers' compensation attorneys and industrial carriers. Psychotherapy, interdisciplinary planning, medical legal expert witness testimony. Emergency room consultation, and assessment of patients with functional and organic disorders. 1989-1990: Golden State Rehabilitation Hospital, San Ramon, California.
- ElectrocardiogramNon-Invasive: exercise and pharmacologic stress testing, echocardiography, electrocardiograms, consultations, nuclear, ICU/CCU, ambulatory clinic, transesophageal echo
- Ophthalmology
- Internal MedicineA Phi Beta Kappa graduate of Stanford University, Dr. Chang-Sing is board certified in clinical cardiac electrophysiology, cardiology and internal medicine. Dr. Chang-Sing’s studies and articles have appeared in numerous medical and scientific journals including the American Journal of Cardiology, the American Journal of Physiology, Circulation, Molecular Pharmacology, Cardiology Clinics and Sonoma Medicine. He is an advisory board member for Medtronic and St. Jude Corporations, and a member of the American College of Cardiology, the California Medical Association and the Heart Rhythm Society.
- Gastroenterology
- Urology
- Neurology08/2003-05/2007, M.D., Temple University School of Medicine Honors/Awards: Dean’s Endowed Medical Scholarship, Class of 1969 Scholarship, American Academy of Neurology Scholarship to Annual Meeting, Multiple Course and Rotation Honors
- Carpal Tunnel Syndrome
- Multiple Sclerosis
- Stress Management
- Mental Health
- Psychiatry
- Radiology
- Computed TomographyEAST BAY SPECIAL IMAGING, LLC, Oakland, CA - Founder and Managing Partner. Managed the organization, architectural build-out, technology acquisition and financing of a boutique special-purpose medical imaging center. Organization of a physician-owned magnetic resonance and computed tomography medical imaging facility.
- General Surgery6/2012 – 6/2013 University of California: San Diego Health Systems (San Diego, CA) (UC San Diego Medical Center; Rady Children’s; VA) • Internship in General Surgery
- OrthopedicsOver 30 years later, Renbaum Medical Group has expanded beyond orthopedics to serve over 10 Northern California locations. We are also proud to be one of the last doctor-owned medical-legal practices in the state.
- WhiplashCertification in advanced diagnosis and clinical management of CAD trauma and whiplash related temporomandibular joint disorders Spine Research Institute of San Diego 2000
- Hand Surgery• Sumner Koch Award – Chicago Society for Surgery of the Hand - Prospective Evaluation of an Opioid Reduction Protocol in Hand Surgery (2018)
- Orthopedic Surgery
- NeurosurgeryFellowships- Pain Management – ACGME Accredited Interventional Pathway, Virginia Mason Medical Center, Seattle, WA August, 2009 – August, 2010. Intermittent CT Guided Pain Procedures “Fellowship” The National Hospital for Neurology and Neurosurgery, London, UK April, 2010 – May, 2010.
- Reconstructive Surgery
- Plastic Surgery
- Sports MedicineNational Board of Osteopathic Medical Examiners (NBOME) Diplomate, American Board of Physical Medicine and Rehabilitation (ABPMR) -Subspecialty Board Certification in Sports Medicine Diplomate, American Board of Pain Medicine (ABPM)
- Physical Therapy2007-Present ACN of California Credentialing and Risk Management, Consultant ACN represents: United Healthcare, PacifiCare, Great West Healthcare, Aetna, Workers Compensation, MedRisk. Credentialing for Physical Medicine Providers (Chiropractic, Physical Therapy, occupational therapy, Acupuncture and Speech Therapy). Review of past and present Health Care Policy with respect to provider credentialing.
- Occupational Therapy
- Manual Therapy2010-Present Clinic Director, Private Practice Peninsula Spine & Sports San Mateo, CA Rehabilitation Treatment modalities include: Spinal Manipulative Therapy, Physiotherapy, Therapeutic Exercise and Axial Traction. Participating provider: Group & Individual Health plans, Workers Compensation MPN. Qualified Medical Evaluations ACOEM and AMA Guides, 5 th Edition compliant.
- General Podiatry