Professor ZHANG Pin is now the Consultant of Baratric Surgery in Jiahui. He graduated from Shanghai Second Medical University, engaged in general surgery clinical work for more than 20 years, mainly in the field of metabolic surgery for the treatment of type 2 diabetes mellitus and obesity, with a large number of surgeries and a wide range of case types. Professor Zhang Pin is the Director of the Department of Weight Loss and Metabolism Surgery at the Sixth People's Hospital Affiliated to Shanghai Jiao Tong University.

Academic position:
1. Chairman of the Professional Committee of Weight Loss and Metabolic Rehabilitation, Chinese Rehabilitation Association
2. Vice Chairman of Metabolic Surgery Branch, China Association for The Promotion of International Medical and Healthcare Exchanges
3. Vice Chairman of Obesity and Diabetes Surgeons Committee, Surgeons Branch, Chinese Medical Association
4. Vice Chairman of the Professional Committee of Bariatric and Metabolic Surgery, Chinese Research Hospital Association
5. Deputy Leader of Weight Loss and Metabolic Surgery Group, Sleep Medicine Professional Committee, Chinese Medical Doctor Association
6. Member of Thyroid and Metabolic Surgery Group, Chinese Surgical Society
7. Member of Weight Loss and Metabolic Surgery, Capacity Building and Continuing Education Surgical Expert Committee, National Health Commission
8. Leader of Weight Loss and Metabolic Surgery Group, General Surgery Branch, Shanghai Medical Association
9. Member of minimally invasive Surgery Group, General Surgery Branch, Shanghai Medical Association
10. Member of American Society for Metabolic and Bariatric Surgery (ASMBS)
11. Member of International Federation for The Surgery of Obesity and Metabolic Disorders (IFSO)

Areas of expertise:
Laparoscopic minimally invasive surgery
Metabolic surgery for type 2 diabetes mellitus with obesity
Bariatric surgery

Dr. Sam ZHANG is a dermatologist of Jiahui Health. Dr. Zhang obtained his PhD degree of Dermatology from Huashan Hospital affiliated to Fudan University in 2007. Prior to joining Jiahui, Dr. Zhang served as a dermatologist in Huashan Hospital affiliated to Fudan University and Changhai Hospital affiliated to the Second Military Medical University. During his working period in Changhai Hospital, he participated in founding the Laser Cosmetic Center of the hospital. Dr. Zhang has been engaged in the clinical work of dermatology for more than 10 years. He is familiar with the diagnosis and treatment of general dermatosis, and specializes in medical cosmetology and laser treatment of pigment disease. 

Dr. Zhang is now a member of the laser sub-committee of CDA, the laser group of the Shanghai Medical Association, the Second Medical Cosmetology Branch of Shanghai Social Medical Institutions Association.

License no. :110310000033178

Dr. Serena CHANG received her medical degree from Peking University，and obtained her master degree from Beijing Tongren Hospital. Prior to joining Jiahui, she worked at Beijing Tongren Hospital, Beijing Tsinghua Changgung Hospital of Tsinghua University, and Beijing Cuiyutao Clinic. Dr. Chang has more than 10 years of experience in clinical ophthalmology with interest in the diagnosis and treatment for external eye disease（include of dry eye syndrome and allergic eye disease, refractive errors and myopia control, cataract, glaucoma, retina disease.

License no. :110110000T00146

Dr. Vivian ZHANG serves as a radiologist at Jiahui Health. Dr. Zhang obtained her M.D. and PhD. Degree in Imaging and Nuclear Medicine from Shanghai Jiaotong University School of Medicine. Prior to joining Jiahui, she has been working in Renji Hospital affiliated to Shanghai Jiaotong University School of Medicine. She has rich clinical experience in conventional imaging diagnosis, especially in neuroimaging. Dr. Zhang has been teaching neuroimaging in Ottawa-Shanghai Joint School of Medicine in the latest 5 years. She has also been a visiting scholar in University of Washington School of Medicine (Seattle) for one year in 2013.

Dr. Tracy ZHAI is a Family Medicine Physician at Jiahui Health. Dr. Zhai obtained her master’s degree in Family Medicine from the School of Medicine at Shanghai Jiaotong University and completed her residency training at Shanghai Sixth People's Hospital. She was enrolled in Jiahui Health’s Family Medicine Fellowship Program in 2020, where she did rotations at Shanghai Sixth People's Hospital and Fudan Children’s Hospital.

Before joining Jiahui Health, Dr. Zhai served as a Family Medicine Physician at Hongqiao Community Health Service Center. She has 4 years of experience in community healthcare services.

Dr. Zhai specializes in the diagnosis and treatment of common diseases for adults, chronic disease management, vaccination consultations, and health assessment in communities. As a Family Medicine Physician, she is committed to offering continuous, comprehensive, coordinated, and patient-centered health management for her patients.

Dr. Zhai is certified in Basic Life Support (BLS), Advanced Cardiovascular Life Support (ACLS), and Pediatric Advanced Life Support (PALS). She also has her Chinese STD license.

Dr. ZHANG Xu graduated from Shanghai Jiao Tong University School of Medicine with a master's degree in pediatrics. After graduation, she worked in the Pediatric Department of Shanghai Children's Medical Centre for more than 10 years. As an experienced pediatrician, she is proficient in diagnosing and treatment of common condition, frequently-occurring diseases, pediatric cardiovascular diseases and children's wellness. 

License no. :110310000043002

Dr. Wendy ZHAO is an Deputy Chief of Hospitalist at Jiahui International Hospital. Upon completing her studies in Clinical Medicine and obtaining a Master’s Degree in Geriatrics at the Shanghai Medical College of Jiaotong University, Dr. Zhao went on to complete residency training in the Department of Emergency and ICU at Huashan Hospital in 2012. She worked as an attending physician at Huashan Hospital North until 2017. Dr. Zhao has gained rich clinical experience through seven years of clinical work in Geriatric Medicine and Emergency Medicine. She is especially skilled in early prevention and comprehensive treatment of cardiovascular and cerebrovascular diseases, and the treatment of various conditions in Emergency and Critical Care Medicine.  In 2017, Dr. Zhao trained as a hospitalist on the Jiahui-Renji Hospitalist Fellow training program. In 2018, she went to the Massachusetts General Hospital Cancer Center and Hospital Medicine Department for observation and was involved in providing anti-PD-1 immunotherapy. Dr. Zhao strives to provide high-quality, efficient, and personalized medical services.

Dr. ZHAO Xiaogang is currently an Associate Chief Physician of Thoracic Surgery at Shanghai Pulmonary Hospital. He is also an Associate Professor, and a supervisor of master students at Shanghai Tongji University. Dr. Zhao graduated from Shanghai Jiaotong University School of Medicine with a doctorate degree in thoracic surgery. In 2015, he went to the United States as a visiting scholar for half a year, visited the Barnes hospital of UNMC University and Washington University in St. Louis. Dr. Zhao has worked in thoracic surgery field for more than 20 years, specializing in minimally invasive thoracoscopic surgery, single-port thoracoscopic minimally invasive treatment of small pulmonary nodules (GGN, GGO, ground glass nodules), tracheal surgery, bronchoplasty sleeve surgery, pulmonary bulla surgery. Dr. Zhao is skilled in the diagnosis of benign and malignant small lung nodules and ground glass nodules and minimally invasive single-port thoracoscopic surgery. He operated more than 1000 lung operations per year.

Dr. ZHENG Chen is a Family Medicine Physician at Jiahui Health. He graduated from the School of Medicine at Shanghai Jiaotong University in 2013 and pursued his postgraduate training at multiple teaching hospitals and community clinics in the US, including Kuakini Medical Center in Hawaii, etc. He passed USMLE and received his ECFMG certification. After returning to China, and before joining Jiahui, Dr. Zheng worked at two international clinics as a Family Medicine Physician where he was well regarded among his patients.

Dr. Zheng provides comprehensive and continuous healthcare for individuals and families of all ages for a range of diseases, including acute and chronic diseases in adults and children, travel healthcare, sexually transmitted diseases, as well as woman and child care.

Being a doctor who is passionate about medical education, Dr. Zheng has held multiple training events for young doctors in Shanghai. He is a teacher at his medical school and an instructor for the American Heart Association (AHA) Basic Life Support (BLS) course. He likes to equip his patients with basic medical knowledge so that they are able to make educated healthcare decisions for themselves and their families.

Dr. Hanna HAN is a hospitalist of Jiahui International Hospital. Dr. Han obtained her MD & Ph.D from The Second Military Medical School in Shanghai. Prior to joining Jiahui, Dr. Han worked as ER physician in the Emergency Medicine Department of General Hospital of Shenyang Military Region and United Family Health Hospital. In 2020, Dr. Han joined Jiahui as a fellow of “Renji - Jiahui Hospitalist training program”, specializing in the acute phase management of multiple disease, experienced in long-term follow-up of chronic diseases and family medicine based health management. 

Dr. Han is certified in Basic Life Support (BLS), Advanced Cardiac Life Support (ACLS) and Pediatric Advanced Life Support(PALS).