Home  > About > Staff Profiles  > Physicians


Lisa J. Chamberlain, MD, MPH

Pediatric and Adolescent Medicine

General Pediatrics, Packard Children’s Hospital since July 2000, Dr Chamberlain works at RFHC one day a week.  Dr. Chamberlain completed her medical training at the University of Arizona College of Medicine in 1996, and her pediatric residency at Lucile Packard Children’s Hospital in 1999. As a Maternity and Child Health grant recipient, she completed the Masters in Public Health program at University of California, Berkeley.  Received a grant from David and Lucile Packard Foundation to develop and implement and evaluate a pediatric advocacy training program and from the William Randolph Hearst Foundation to expand and disseminate the program.

Jaclyn Czaja, M.D.


Dr. Czaja completed medical training at the University of Michigan Medical School in 2007, followed by a three year pediatric residency at the University of Washington in Seattle. In addition to hospital duties there, she also worked with an inner city and largely immigrant population at the Harborview Children and Teen’s clinic. During residency, among other projects, she participated in Seattle Children’s Global Health Pathway, working on a pediatric ward assessing the chronically ill children in Kisii, Kenya. Dr. Czaja is a Stanford graduate with a BA degree in Human Biology. She loves running, hiking, and skiing and enjoys travel and exploration of new places.

Reshma Thadani, MD, MPH


Dr. Thadani received her B.A. in Child Psychology and Spanish from Tufts University.  She then completed her Master’s in Public Health in Population and Family Health from Columbia University.  She received her medical degree from Drexel University College of Medicine and completed her pediatric residency at Children’s Hospital and Research Center Oakland in 2006. . Prior to joining RFHC in 2008, Dr. Thadani worked for two years at Bancroft Pediatric Medical Group in San Leandro.  She is on the general pediatrics faculty at the Stanford University School of Medicine and is interested in reducing rates of asthma and obesity in underserved populations.

Sharon DiPierro, MD


Dr. Sharon DiPierro completed her undergraduate studies in 2006 at Brown University with a major in Community Health. After earning her medical degree in 2010 from the Alpert Medical School at Brown University, she spent her Pediatric Residency at the University of California, Davis. Her primary areas of interest are teen health and working in underserved communities. During residency, she was part of the first group of physicians from UC Davis to practice at The Effort, a federally-qualified health center in Sacramento’s Oak Park neighborhood.

Edward H. Kim, MD

Family Practice Physician

Dr. Kim completed his medical training at SUNY Buffalo School of Medicine in June 2010 and his Family Medicine Residency at University of Nevada Reno (UNR). Before medical training, he spent 3 years working on medical research projects.  He received his undergraduate education at Harvard, graduating in 2002 with a degree in Environmental Science and Public Policy.  Among his volunteer activities, Dr. Kim has done habitat restoration with AmeriCorps in Marin county and has volunteered at free clinics run by the medical students at UNR.

Janice Lowe, MD


Dr. Lowe received her medical degree from Harvard Medical School and completed her residency at Children’s Hospital Medical Center in Boston. From 1983 to 2004 she was a Staff Pediatrician at Massachusetts General Hospital Chelsea HealthCare Center.  She is the editor of the Guide to Pediatric Medical Spanish which was published by the American Academy of Pediatrics. She has extensive teaching experience and was appointed Assistant Professor at Harvard Medical School 1997-2004.  She is currently Clinical Professor of Pediatrics, Stanford University School of Medicine. In clinical practice, teaching and curriculum development, Dr. Lowe has focused on developing culturally competent clinical services in underserved communities.

Dr. Candice Weaver

Family Practice Physician

Dr. Candice Weaver received a Doctor of Osteopathic Medicine degree at Touro University College of Medicine in 2009. She completed her residency in Family Medicine through UCSF at Natividad Medical Center in Salinas before joining RFHC.  Prior to attending medical school, Dr. Weaver worked in cancer research at The Johns Hopkins University.  She also holds a Master’s degree in Public Health from Dartmouth Medical School and a BA from The University of California at Berkeley.  She has traveled to Africa as a member of the Global Physicians Corps, and is a National Health Service Corps Scholar.

Jonathan Shaw, MD

Family Practice Physician

Dr. Jonathan Shaw received his medical degree from Harvard Medical School, during which he spent a research year in Guatemala. He completed his family medicine training at Oregon Health & Sciences University, and then practiced community based medicine in Hillsboro, Oregon providing maternity, infant, pediatric and adult care to a diverse patient population. Most recently he completed a research fellowship at Stanford University and the Palo Alto VA, where he gained training in evaluating health services, focusing on the interaction of psycho-social factors and health.