Staff
Clinical Team
- Juliana Liu, RN, MSN, ANP - Adult Nurse Practitioner, Division of Pulmonary and Critical Care Medicine
- Michelle Ogawa, RN, PNP - Pediatric Nurse Practitioner, Pediatric Cardiology
- Allyson Rupp, LCSW - Adult Social Worker
- Darci Albrecht, MSW - Pediatric Social Worker
- Val Scott, RN, MSN - Clinical Research Nurse
Juliana Liu, RN, MSN, ANP
Nurse Practitioner,
Adult Pulmonary Hypertension Service at Stanford
(650) 725-6555
Email Juliana
Juliana received her MSN from the University of California, San Francisco, where she completed both her registered nursing as well as her adult nurse practitioner training. She also has a bachelors of arts in Modern East Asian History from Pomona College in Claremont, California. She transitioned to the healthcare field after volunteer work in developing nations such as a clinic located in the slums of Nairobi, Kenya. Throughout her nurse practitioner training and immediately afterwards, she worked as a cardiac nurse in the acute care setting, where she developed an interest in cardiopulmonary diseases. Her primary duties at Stanford involve management of pulmonary hypertension patients, physician, nursing and patient education, and serving as a liaison between various interdisciplinary teams caring for PH patients at Stanford as well as in the local community. She has served as interim chair of the Research and Publications Committee for the Pulmonary Hypertension Resource Network. She has presented on various topics around caring for the pulmonary hypertension patient both nationally as well as in Tokyo, Japan.
Juliana was born in Hong Kong, and grew up in Tokyo, Japan. She speaks Japanese fluently and has aural comprehension of Mandarin Chinese. She hopes that she can play a role in impacting clinical practice and research for pulmonary hypertension patients worldwide.
Michelle Ogawa, RN, CPNP-AC
Pediatric Nurse Practitioner,
Pediatric Cardiology
(650) 725-6538
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Michelle Ogawa, RN, PNP is the pediatric nurse practitioner for the Vera Moulton Wall Center for Pulmonary Vascular Disease.
After completing a B.A. in Neuroscience from Pomona College, she received her Bachelor’s and Master’s degree in Nursing at the University of Pennsylvania. During her graduate studies in pediatric critical care, she worked at the Children’s Hospital of Philadelphia for over two years as a bedside nurse in the pediatric intensive care unit (PICU). Most recently, she returned to her native home in the Bay Area, to briefly work in the PICU at Lucile Packard Children’s Hospital before starting her position as the pediatric pulmonary hypertension nurse practitioner in January 2006.
Michelle was first inspired to pursue a nursing career in pediatrics while working with developmentally disabled children in a rehabilitation center during her undergraduate studies. Since then, she continues to find her work caring for pediatric patients with complex medical challenges and their families to be a rewarding and gratifying experience.
Allyson Rupp, LCSW
Social Worker
(650) 721-6555
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Allyson Rupp, LCSW, is one of the Wall Center’s clinical social workers. She focuses on assisting the center’s adult patients and their families. Allyson also serves as the heart/lung transplant social worker at Stanford Hospital and Clinics, where she facilitates two support groups. Each group meets on a monthly basis, providing care and encouragement for PH patients and their loved ones.
Allyson earned her master’s degree in social work from the University of California, Berkeley. She then completed her clinical social work training in the Pediatric Liver Transplant Program at Lucile Packard Children’s Hospital. Prior to joining the Wall Center and Stanford Hospital in 2003, Allyson held social work positions in the cardiac/critical care units and emergency rooms at two alternate medical centers.
In addition, Allyson has given presentations on several topics at conferences held in Miami, Florida; Tokyo, Japan; and San Francisco, California. These topics include adjusting to chronic illness and managing post-transplant issues, such as intimacy, quality of life, and psychosocial treatment. She is particularly interested in the impact of chronic illness on individual and family systems; the development of solid, sustainable support resources for patients and their families; and the equitable distribution of healthcare resources.
Allyson currently resides in San Francisco—the home of her lifelong favorite Giants baseball team—and enjoys running and kayaking.
Darci Albrecht, MSW
Pediatric Social Worker
(650) 725-9626
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Darci Albrecht, MSW, is one of the Wall Center’s clinical social workers for the pediatric patients. She focuses on conducting psychosocial assessments, providing supportive counseling, resource and community referral assistance, advocating for patients and families, providing crisis intervention and assisting with care coordination. Darci also serves as the as the heart/lung transplant social worker at Lucile Packard Children's Hospital.
Darci earned her master’s degree in social work from the California State University Sacramento. Prior to joining the Wall Center in 2007, Darci worked as an Oncology/ Bone Marrow Transplant social worker at Lucile Packard Children’s Hospital.
In addition, Darci holds a support group for Bay Area parents who have a child diagnosed with Pulmonary Hypertension. Darci also co-facilitates a support group for pre and post transplant patients and their families. She is particularly interested in the impact of chronic illness on individual and family systems; the development of solid, sustainable support resources for patients and their families; and properly preparing patients and their families for transition to adult health care settings.
Val Scott, RN, MSN
Clinical Research Nurse
(650) 725-8082
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Val Scott, RN, MSN, was born in Scotland and received a Diploma of Nursing and an ICU certification from Glasgow Royal Infirmary in Glasgow, Scotland. She moved to the United States twenty years ago and fell in love with California. After years of clinical nursing, including 10 years in critical care, she moved to clinical research in 1990. She has worked at Stanford coordinating pulmonary hypertension clinical trials since early 1998. She is the coordinator of the Association of Clinical Research Nurses.

