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Providers & Staff

Dr Robert Amster MD MBA MS, FACEP

Chief Medical Officer

Chief Medical Officer:Dr.Robert Amster is the founder of Cypress Urgent Care and Laguna-Dana Urgent Care and is a practicing Emergency Medicine Physician. He received his BA from Rutgers College and went on to complete Medical School at the University of Rochester. He completed a residency in Emergency Medicine at Georgetown University. He is double board certified in both Emergency Medicine and in Preventive Medicine with subspecialty of Occupational Medicine. He earned an MBA from Pepperdine University and an MS Degree from Harvard University’s School of Public Health.

Dr.Amster has over 40 years of experience in Urgent Care Medicine, Emergency Medicine and Occupational Medicine. He served as the Director of local Emergency Departments and was a Medical Director at Blue Cross of California and at Blue Shield of California. Dr. Amster has been a member of the Industrial Medical Council in California, and was a Worker’s Compensation MRO and QME. He is also a lifetime Fellow of the American College of Emergency Physicians.

Amber Brinkley

Clinic Administrator

Amber grew up in Eugene, OR where she was raised to be empathetic and compassionate to others. Amber has always had a passion for helping those in need, which led her to the medical field in 2012 and to attend graduate school where she obtained her Masters degree in Social Work in 2017. Throughout her journey in the medical field, she has been in many different positions which has allowed her to get well-rounded experience to be able promote quality care for the patients we serve.

Amber Brinkley

Clinic Administrator

Walk-ins are welcome