Our Providers Directory
Specialty: Ear Nose Throat
Dr. Shabdiz is board certified in otolaryngology and head and neck surgery. He completed his fellowship training in pediatric otolaryngology at Harvard Medical School and residency training in ENT (Ear, Nose, and Throat) and head-neck surgery at USC. In addition to providing general ENT services for both adult and pediatric patients, Dr. Shabdiz is able ... read moreSpecialty: Pulmonology, Sleep Medicine
Dr. Sharief is certified by the American Board of Internal Medicine for Critical Care Medicine, Pulmonology, and Internal Medicine. He earned his medical degree at Dow Medical College in Pakistan. He completed his residency in Internal Medicine at St. Joseph Mercy Hospital in Michigan, and his internship at Medical College of Ohio, graduating in 2003. ... read more
Specialty: Orthopaedics
Dr. Shokes joined the Caduceus physician team in 2010 and is successful in the diagnosis and treatment of both minor and complex orthopaedic conditions. Dr. Shokes dedicates significant time to continuing medical education, and is an avid reader of published orthopaedic research and investigations. Dr. Shokes originally graduated with a Masters degree in Biomedical Engineering ... read more
Specialty: Mental Health
Dr Singh is a Licensed Clinical Psychologist and earned her Doctor of Psychology Degree at Pepperdine University. She received training in cutting-edge empirically validated cognitive models of treatment from Harbor UCLA Medical Center. Her approach to therapy is based on providing a warm, empathic and understanding environment with the belief that each person has the ... read more
Specialty: Adult Primary Care, Caduceus Physicians
Dr. Carlos Sobral is a primary care physician and his life in medicine started in La Habra and he has been practicing in Orange County for over 20 years. He became progressively interested in cholesterol, heart, and stroke risk and his interests took him to advanced lipid testing and analysis. Training Undergraduate 1966 – 70 ... read more
Specialty: Psychiatry
Denis Tamas, DNP, is a psychiatry provider in Yorba Linda and Irvine. He is a board certified psychiatric and mental health nurse practitioner at Caduceus Specialty and Caduceus Jamboree. He received his Doctor of Nursing Practice (DNP) from Brandman University. Prior to receiving his DNP, Denis worked as a registered nurse in many settings. He ... read more
Specialty: Mental Health
Dr. Catherine Thielen is a licensed clinical psychologist with broad range of experience helping individuals and couples work through life’s challenges and mental health and wellness impacted by anxiety, depression, PTSD, addictions including substance and alcohol abuse, relationship challenges within families, as well as, personal and professional challenges. She has over two decades of experience ... read more
Specialty: Adult Primary Care, Caduceus Physicians
Dr. Alyssa Tonelli is a primary care physician at our Yorba Linda family practice and was also raised in Yorba Linda. She played varsity tennis at El Dorado and went on to graduate from Stanford with honors. Afterward, she completed her DO degree at Western University of Health Sciences and pursued a family medicine residency ... read more