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Brad Hamann, MHS, PA

Family Practice Physician Assistant

Brad completed the Physician Assistant Program at Duke University Medical Center in 2003 and graduated from the University of California, San Diego with a BS in Biochemistry in 1996.  He served with the Peace Corps for two years in Ecuador. For five years prior to coming to RFHC he was a Physician Assistant at the Family HealthCare Network in Orosi, California.

Lisa Lestishock, PNP

Pediatric Nurse Practitioner

Lisa Lestishock joined our pediatric team in 2002. Her first encounter with community medicine was as a public health nurse in the barrio of Guatemala City. She completed nurses training at Villanova University and Advanced Practice Pediatric Nursing at University of California, San Francisco. Lisa splits her time between Ravenswood Family Health Center and Lucile Packard Children’s Hospital, where she works on their mobile clinic and specializes in the care of high-risk and homeless adolescents.

Michelle Buccholz

Family Nurse Practitioner

Michelle was raised in the Bay Area, but left California to pursue studies in International Health at Georgetown University.  After her undergraduate training, Michelle worked with public health organizations in Rio de Janeiro, Brazil as a community health researcher and educator.  Michelle subsequently earned her BSN and MS degrees at the University of Pennsylvania as a Family Nurse Practitioner.  Prior to joining RFHC in 2016, she practiced at a federally qualified health center and a psychiatric hospital in Philadelphia.  Michelle is particularly passionate about health care for the homeless, and integrating mental health care in the primary care setting.  In her spare time, Michelle enjoys traveling, open water swimming, camping, and cooking.

Nina Duong

Nurse Practitioner

Nina earned her undergraduate degree in Human Biology with a concentration in Community Health and Child Development from Stanford University in 2012, and went on to complete her training to become both a Registered Nurse and a Nurse Practitioner at the University of California at San Francisco after a stint as a project coordinator at the John W. Gardner Center for Youth and their Communities.  Nina completed her Family Nurse Practitioner Residency at RFHC, and came back to join us full-time in 2017. In her spare time, she enjoys spending time outdoors with her husband and taking dance classes.

Rebecca A. Pinto, PA-C

Physician Assistant, Certified

Rebecca is a graduate of Yale University School of Medicine Physician Associate program and is a Board Certified Physician Assistant in Primary Care and Surgery. She has 20+ years experience in gynecology and in adolescent medicine and primary care. Rebecca began her career on the orthopedic surgery staff at the Lahey Clinic near Boston, and was a long-time staff member of Planned Parenthood Golden Gate where she was Lead Clinician and Trainer.

Ivonne Velado, MHS, PA

Family Practice Physician Assistant

Completed the Physician Assistant program at Duke University Medical Center in 2001 and graduated from University of California in San Diego with a double major in Biology and a BA in Literature in 1995.  Prior to joining RFHC, Ivonne worked as a Physician Assistant at the County’s Willow Clinic and most recently at Family HealthCare Network in Visalia, California.

Amy Wolfe, M.P.H., FNP

Family Nurse Practitioner

Amy joined the staff of RFHC in December 2001 and has provided primary care services to adult patients since the day the clinic opened. She received her Masters in Public Health from UCLA and then worked for six years as a research assistant at UCSF Center for Reproductive Health Policy.  She completed her second Masters degree in the UCSF Family Nurse Practitioner program in 2000.  After graduation she spent 7 months working in Ecuador in both rural and urban settings.