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Meet our Staff

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Susan Patricia Ehrlich, M.D., M.P.P. Medical Director Specialty: Internal Medicine Additional Information Personal Philosophy of Care: I am passionate about promoting optimal health for my patients and for society as a whole. In my vision of the ideal system of care, providers are guided by evidence-based medicine and teach self-management techniques to help their patients achieve optimal health. I believe that the best health outcomes can be achieved when individuals and families work together as a team with their providers. The Ron Robinson Senior Care Center's interdisciplinary team is a wonderful model of care for older adults because we have a caring, talented team that has richly diverse resources to address each of our patients' needs. College: Duke University, BA Medical School: University of California, San Francisco Graduate School: University of California, Berkeley, Masters of Public Policy, 1984 Residency: Brigham and Women's Hospital, Boston Primary Care Internal Medicine Board Certification: American Board of Internal Medicine Languages: English, Spanish   Nancy Chiao-Castle Geriatric Nurse Practitioner Specialty: Family Nurse Practitioner and Gerontological Nurse Additional Information Personal Philosophy of Care: Quality of life to the end.... College: University of San Francisco Graduate School: University of San Francisco Languages: English, Cantonese   Mary Margret Flynn Psychiatrist Specialty: Psychiatry Additional Information Personal Philosophy of Care: I prefer working with an interdisciplinary team of specialists, which is readily available at the Senior Care Center. Close coordination of treatment plans for patient's bio-psycho-social needs among treatment providers, with the patient and family members, optimizes the patient's well-being and understanding of their problems. College: University of Minnesota Medical School: University of Minnesota, Minneapolis Residency: Letterman Army Medical Center Board Certification: American Board in Psychiatry and Neurology Languages: English   Susan Joseph Geriatrician Specialty: Internal Medicine/Geriatric Medicine Additional Information Personal Philosophy of Care: To provide comprehensive healthcare to seniors to maximize their health and function, taking into account each individual's circumstances, needs of families and caregivers, and the senior's own personal goals and wishes. College: Yale Medical School: New York University Fellowship: Stanford University, Palo Alto VA Hospital Geriatrics Residency: Boston City Hospital Internal Medicine Board Certification: Internal Medicine Geriatric Medicine   Diana Koin Geriatrician Specialty: Internal Medicine/Geriatric Medicine Additional Information Personal Philosophy of Care: Patients deserve not only the best knowledge and care, but also dignity and respect. College: Bryn Mawr, University of Colorado Medical School: University of Colorado Residency: Oregon Health & Science University St Luke Board Certification: Internal Medicine Geriatric Medicine Languages: English, French, and some Spanish   Joshua Vandershaaf, Psy.D. Psychologist Specialty: Clinical Psychology Additional Information Personal Philosophy of Care: "I try to offer people an objective and supportive perspective to particular problems they may be facing. By working together as part of a team, I hope to provide you with the opportunity to make the choices and changes in your life that you would like to make." College: University of Western Ontario, London, Ontario Canada Graduate School: California School of Professional Psychology Residency: Department of Mental Health-California Medical Facility, Vacaville, CA & Laguna Honda Hospital & Rehabilitation Center, San Francisco, CA Languages: English