Nurse Practitioners/Physician Assistants
Bradley Hamann, MHS, PA – Family Practice Physician Assistant
Brad completed the Physician Assistant Program at Duke University Medical Center in 2003, after serving with the Peace Corps for two years in Ecuador following his 1996 graduation from the University of California at San Diego with a BS in Biochemistry. For five years prior to joining Ravenswood, he was a PA at the Family HealthCare Network in Orosi, California.
Doriel Pearson-Nishioka, MS, PA-C – Pediatric Physician Assistant
Doriel completed her Masters of Science in PA studies at University of Colorado Health Sciences Center School of Medicine in 1986. She holds a BS in Medical Science and a MS in Child Health. She is board certified by the NCCPA in Family Medicine with a practice emphasis in Pediatric and Adolescent Medicine. She has worked professionally as a Pediatric PA since 1986 in a variety of clinical settings including private practice, school based health centers, community based health centers, and academic teaching hospitals including UCLA and Stanford Medical Centers. She has enjoyed a robust career in pediatric medicine and is passionate about child and adolescent wellness, and dedicated to serving her community. Habla Espanol.
Erin Li, NP – Nurse Practitioner
[Bio Coming Soon].
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 and Lucile Packard Children’s Hospital, where she works on their mobile clinic and specializes in the care of high-risk and homeless adolescents.
Rebecca Pinto, PA – Physician Assistant, Certified
Rebecca is a graduate of Yale University School of Medicine’s Physician Associate program, and is a Board Certified Physician Assistant in Primary Care and Surgery. She has over 30 years of experience in gynecology, adolescent medicine, and primary care. Rebecca was a long-time images/staff member at Planned Parenthood Golden Gate, where she was Lead Clinician and Trainer.
Jasmine Ruiz, FNP – Family Practice
Jasmine Ruiz, FNP received her Master’s in Science from Chamberlain University in 2018. Before becoming a Family Nurse Practitioner, she was employed at Ravenswood as a Pediatric Registered Nurse for 4 years. Jasmine currently volunteers her time with the American Heart Association and National Association of Hispanic Nurses to provide blood pressure checks and community education.
Ivonne Velado, MHS, PA-C – Family Practice Physician Assistant
Ivonne completed the Physician Assistant Program at Duke University Medical Center in 2001, after graduating from the University of California at San Diego with a double major in Biology and Literature in 1995. Prior to joining our images/staff at Ravenswood, Ivonne worked as a PA at Willow Clinic, and at Family Healthcare Network in Visalia, California.
Amy Wolfe, RNP, MPH – Family Nurse Practitioner
Amy joined our Ravenswood images/staff in December 2001, and has provided primary care services to adult patients since the day our clinic opened. She received her MPH from the University of California at Los Angeles, and worked for six years as a research assistant at the University of California at San Francisco’s Center for Reproductive Health Policy. She completed her second Master’s degree in the UCSF Family Nurse Practitioner program in 2000, and spent 7 months working in Ecuador in rural and urban settings before coming to Ravenswood.