Dr Adrian Poh currently serves as Medical Director of HMI OneCare Clinic.

With more than 2 decades worth of experience, Dr Poh has seen much in his clinical practice. Both in the public and private sectors. His unique insight and vast experience earned him several clinical and service excellence awards.

Dually trained in Family Medicine and Internal Medicine, Dr Poh has also received 3 years of Advanced Specialty Training in Gastroenterology. He holds a Post Graduate Diploma in Family Medicine and a Masters in Medicine (Internal Medicine). Dr Poh is also an elected member of the Royal College of Physicians (RCP, Edinburgh), Royal College of Physicians and Surgeons (RCPS, Glasgow), and College of Family Physicians (CFPS, Singapore).

He is an accredited Family Physician registered with the Family Physicians Accreditation Board (MOH) and CFPS.

Dr Poh also spends time tutoring medical undergraduates from Yong Loo Lin School of Medicine NUS and Duke-NUS, as well as Family Medicine and Internal Medicine residents from NUHS and SGH respectively.

He is still active as an Adjunct Lecturer and Adjunct Clinical Educator appointments with Yong Loo Lin and Lee Kong Chian Schools of Medicine at NUS and NTU respectively.

Perhaps one of his defining achievements, Dr Poh has held competitive grants in Hepatitis B and Hepatocellular Carcinoma research, and is also published in the fields of Family Medicine, Gastroenterology, Endocrinology, Rheumatology and Medical Education.

His research in the field of Gastroenterology has won multiple awards. Due to this recognition, Dr Poh has been invited to speak at local and international Gastroenterology research conferences in Singapore, Germany, and the USA.

Dr Christopher Kong San Choon is a specialist in the field of Gastroenterology who was inducted as a Member of the Royal College of Physicians of Ireland in 1999. He completed his training in General Internal Medicine (GIM) and Gastroenterology in the UK, and was accredited into the United Kingdom Speciality register in 2007 for both GIM and Gastroenterology.

Being active in medical research, he was awarded his Doctorate in Medicine, United Kingdom, in 2008 after a 2-year period in translational medical research using molecular and microbiological techniques in Inflammatory Bowel Disease (IBD).

Dr Kong has been involved in multiple clinical trials and research studies, with multiple publications in scientific and clinical journals.

In open competition, he was awarded the much sought-after post of Clinical Fellow in interventional Endoscopy in the internationally renowned University College Hospital, London, United Kingdom. Awarded the Health Manpower Development Plan (HMDP) Fellowship, Dr Kong completed his Endoscopic Ultrasound (EUS) training in St Thomas’ Hospital, London, in 2018.

Dr Kong performed the first motorised spiral enteroscopy in South East Asia in 2019, a new technique which makes it possible for small intestines to be thoroughly examined in just 30 minutes, in contrast to 6 hours by balloon-assisted endoscopes.

Dr Kong helped set up the Department of Gastroenterology and Hepatology in Sengkang General Hospital as Clinical Lead of the department. He previously served as Senior Consultant in Singapore General Hospital and was Director of the Inflammatory Bowel Disease Centre.

Dr Tan Chee Hian is a MOH-accredited dermatologist with a special interest in photodermatology, psoriasis, eczema and skin cancer. He is also trained to deliver laser therapies, phototherapy and photodynamic therapy (a non-surgical treatment for certain skin cancers and precancerous lesions such as actinic keratosis) as part of his fellowship training.

Dr Tan takes a systematic approach to evaluating any skin concerns. He has a patient-centred approach to the long-term care of chronic skin disease such as acne, eczema and psoriasis, and works with each patient to develop management strategies that are practical and sustainable day to day. He cares for patients undergoing phototherapy and is trained in photodynamic therapy, a non-surgical treatment for certain skin cancers.

Prior to private practice, Dr Tan was a Consultant Dermatologist at the National Skin Centre, and a Visiting Consultant at Khoo Teck Puat Hospital and Woodlands Health.

Dr Tan was also an International Clinical Fellow in the Photobiology Unit at Ninewells Hospital in Dundee, Scotland (2024 to 2025), and holds the Royal College of Physicians of Edinburgh’s Post-CCT certificate in photobiology.

His research has been published in journals including the British Journal of Dermatology, JAMA Dermatology and Clinical and Experimental Dermatology. He also contributed the chapter on phototherapy in pigmentary disorders to the second edition of Pigmentary Skin Disorders (Springer, 2025). His work has been recognised with the Best Poster Award from the British Photodermatology Group (2025) and the Best Oral Presentation at the British Hair & Nail Society Andrew Messenger Award (2019).

Dr Tan is active in medical education. He is a Clinical Teacher at the Lee Kong Chian School of Medicine, Nanyang Technological University (NTU), and a Clinical Lecturer at the Yong Loo Lin School of Medicine, National University of Singapore (NUS). He has received the NHG Teaching Award for Junior Doctors (2019) and the NUS Junior Doctors Teaching Award (2016).

Dr Shermela Appan is a Singapore Ministry of Health accredited paediatrician since 1981, with special interests in children’s growth and puberty, and asthma and allergies.

Dr Appan has up to 29 years of private paediatric experience as a partner at The Children’s Medical Centre in Bishan, before joining StarMed Specialist Centre (HMI Medical Centre).