Ronald Witteles, MD

Dr. Ronald Witteles is a Cardiologist who specializes in the treatment of patients with Heart Failure. He has particular expertise in the treatment of Amyloidosis, Sarcoidosis, and cardiac complications of cancer therapy (sometimes called "Cardio-Oncology"). He serves as Co-Director of the Stanford Amyloid Center, one of the world's leading centers for the care of patients with amyloidosis.

Dr. Witteles has published extensively in his areas of expertise, and has won many awards for his excellence in both patient care and education. He serves as Program Director for the Stanford Internal Medicine residency program -- directly supervising the training of more than 120 physicians each year. He holds board certification in Internal Medicine, Cardiovascular Disease, Advanced Heart Failure/Transplant Cardiology, and Nuclear Cardiology.

Matthew Baker, MD, MS

Dr. Baker is a Clinical Instructor in the Division of Immunology and Rheumatology at Stanford University with a focus on patient care, bench research, and clinical trials. He studied at Harvard Medical School and trained in Internal Medicine at the Massachusetts General Hospital. He subsequently came to Stanford for his fellowship in Rheumatology, and before becoming Clinical Instructor, spent a year as a Postdoctoral Fellow in the laboratory of Dr. William Robinson. He continues to work with Dr. Robinson conducting basic research related to characterizing novel autoantibodies in ANCA-vasculitis and investigating the immune profile of patients with IgG4-related disease. Under the mentorship of Dr. Mark Genovese, he has authored several investigator-initiated clinical trials with a focus on systemic lupus erythematosus, sarcoidosis, Sjogren's syndrome, and IgG4-related disease.

Rishi Raj, MD

Dr. Rishi Raj is an Clinical Professor of Medicine at Stanford University and directs the Interstitial Lung Disease program at Stanford. He specializes in the diagnosis and treatment of interstitial lung diseases and has practiced pulmonary and critical care medicine for more than 15 years. Dr. Raj's primary clinical interest and primary focus of clinical research is interstitial lung diseases including idiopathic pulmonary fibrosis, other idiopathic interstitial lung diseases, drug induced interstitial lung diseases, interstitial lung disease associated with connective tissue diseases including scleroderma, rheumatoid arthritis, dermatomyositis etc., sarcoidosis, hypersensitivity pneumonitis and other miscellaneous interstitial lung diseases. Dr. Raj is the principal investigator and co-investigator on multiple clinical trials evaluating new therapies for treating idiopathic pulmonary fibrosis and pulmonary fibrosis/interstitial lung disease from other etiologies.

Clinical Team

Joy Wu, MD

Dr. Joy Wu is a board-certified endocrinologist with over 12 years' experience who specializes in treating women and men with osteoporosis and other bone and mineral diseases, including primary hyperparathyroidism, vitamin D deficiency, Paget's disease and fibrous dysplasia. She has a special interest in optimizing skeletal health for those at risk of bone loss from glucocorticoid treatment, cancer therapies, or organ transplant. She works closely with each individual and his/her referring physician to assess fracture risk, and to develop a tailored treatment and monitoring plan.

Dr. Wu directs a broad basic and translational research program that focuses on skeletal development and the bone marrow hematopoietic niche. Her laboratory is currently studying stem cell therapies for bone formation, and the prevention of cancer metastases to bone (joywulab.stanford.edu). She has been honored with awards from the NIH Director’s New Innovator Award, the Endocrine Society, the American Society for Bone and Mineral Research, and the Mary Kay Foundation. Dr. Wu is committed to training the next generation of physician scientists, and serves as Co-Director of the Stanford Internal Medicine Translational Investigator Program.

Aparna Goel, MD

Dr. Goel is a general and transplant hepatologist who specializes in caring for patients with chronic liver disease, viral hepatitis, fatty liver, autoimmune disorders, hepatocellular cancer and cirrhosis. She cares for patients before and after liver transplantation. Dr. Goel incorporates the most recent, evidence-based medicine in her practice and is passionate about ensuring the safest and highest quality of care for her patients. She engages her patients and their families in understanding the disease and in creating a comprehensive treatment plan.

She has a particular clinical interest in the management of patients with autoimmune liver disease including autoimmune hepatitis, primary biliary cholangitis, primary sclerosing cholangitis, and other related liver diseases. She also has a clinical research interest in complications of end-stage liver disease and improving the quality of care for all patients with chronic liver disease.

Matthew Lewis MD

Dr. Lewis is a clinical assistant professor of dermatology who specializes in autoimmune connective tissue diseases, immunobullous diseases, and other inflammatory skin diseases including psoriasis and sarcoidosis. He attended medical school at The George Washington University School of Medicine. He subsequently completed dermatology residency at The University of Rochester, where he was chief resident. He also completed a Master’s of Public Health at Johns Hopkins and a fellowship in autoimmune connective tissue diseases at Stanford University. He believes multidisciplinary and holistic care is key to treat patients with systemic inflammatory diseases. He holds a rheumatology-dermatology clinic with a rheumatologist, Dr. Janice Lin, as well as a dermatology-ophthalmology clinic with an ophthalmologist, Dr. Christopher Ta, with this primary goal of providing high quality, collaborative, patient-centered care.  

Andrei Iagaru

Dr. Iagaru is a Professor of Radiology - Nuclear Medicine and the Chief of the Division of Nuclear Medicine and Molecular Imaging at Stanford Health Care. He completed medical school at Carol Davila University of Medicine, Bucharest, Romania, and an internship at Drexel University College of Medicine, Graduate Hospital, in the Department of Medicine in Philadelphia. He began his residency at the University of Southern California (USC) Keck School of Medicine, Los Angeles, in the Division of Nuclear Medicine, where he was the chief resident. Dr. Iagaru finished his residency and completed a PET/CT fellowship at Stanford University's School of Medicine in the Division of Nuclear Medicine. His research interests include PET/MRI and PET/CT for early cancer detection; clinical translation of novel PET radiopharmaceuticals; peptide-based diagnostic imaging and therapy.

Since joining the faculty at Stanford in 2007, Dr. Iagaru has received several awards including the Society of Nuclear Medicine (SNM) 2009 Image of the Year Award; American College of Nuclear Medicine (ACNM) Mid-Winter Conference 2010 Best Essay Award; 2009, 2014 and 2015Western Regional SNM Scientist Award; 2011 SNM Nuclear Oncology Council Young Investigator Award; and a Stanford Cancer Center 2009 Developmental Cancer Research Award in Translational Science. Dr. Iagaru presented more than 100 abstracts at national and international meetings and published more than 130 papers in peer-reviewed journals, as well as 7 book chapters and 1 book (PET MRI in Oncology).

Shuchi Anand, MD, MS

Dr Anand is a nephrologist and clinical researcher, with an interest in caring for patients with a broad range of kidney disease. Dr. Anand is a graduate of Washington University School of Medicine, holds a Master’s degree from Stanford University, and completed her nephrology fellowship at Stanford University School of Medicine. She is a Fogarty Global Health Equity Scholar the recipient of a Ruth L. Kirschstein National Research Service Award. She has active projects in collaboration with Santa Clara Valley Medical Center, Emory University, Center for Chronic Disease Control in India, and Kandy Teaching Hospital in Sri Lanka.

Henry Guo, MD

Dr. Guo is a diagnostic radiologist with board certifications in Radiology and Nuclear Medicine. He is subspecialty fellowship trained in chest (thoracic) imaging and nuclear medicine, including PET-CT and SPECT-CT. As a dedicated chest radiologist, Dr. Guo's emphasis is on diseases of the lungs, including: interstitial lung diseases, lung cancer, COPD, and disease of the airways. Dr. Guo also specializes in cancer imaging as part of his work in nuclear medicine and PET. He helps to care for patients in the Thoracic Cancer Program, Interstitial Lung Diseases Clinic, and in the Nuclear Medicine clinic.

His research background is in molecular biology, genetics, and cancer pathogenesis, and combines the tools of molecular and anatomic imaging to improve patients' outcomes. He current research projects include: imaging markers of lung and heart diseases, low radiation dose CT, PET-CT of the lungs, quantitative CT, and in 3D printing of lung tumors to optimize pre-treatment planning.

He is a native of the South Bay and enjoys working in the dynamic environment of the Silicon Valley. At home, he has fun keeping up with his two young boys, running, and hiking.

Emily Braley, RN 

Emily is a nurse coordinator for the sarcoidosis program. She received her Bachelor's Degree in Nursing from the University of Michigan--Ann Arbor and she received her Master's degree in nursing from San Francisco State University. She also works with the heart failure program at Stanford. Prior to working with the sarcoidosis program and heart failure program she worked in cardiac critical care.