The Dermatology Practice – Consult an experienced dermatologist in Singapore today!

Dr. Mok Zhun Rui

MBBS (Singapore), MRCP (UK), FAMS (Dermatology)

Dr Mok Zhun Rui is a Ministry of Health accredited Consultant Dermatologist with a decade of experience in the specialty. He has interests in eczema, psoriasis, skin cancers, immunodermatology, dermatosurgery and cosmetic dermatology. He is also a Mohs’ Micrographic Surgeon, having trained at St John’s Institute of Dermatology, London, United Kingdom. He is jointly accredited by the British Association of Dermatologists, British Society for Dermatological Surgery, and British College of Dermatologists.

Prior to joining The Dermatology Practice, Dr Mok was a Consultant Dermatologist at the National University Hospital and National Cancer Institute of Singapore. He helmed many portfolios while in public service. He led the hospital’s Mohs Micrographic Surgery unit, and was also the Clinical Lead for the Multidisciplinary Skin Tumour Group. He was appointed divisional Patient Safety Officer for Dermatology.

Having an interest in chronic inflammatory skin conditions, he was also the co-investigator for multiple trials studying the efficacy of systemic medications for eczema.

Aside from his clinical portfolio, Dr Mok was also heavily involved in both undergraduate and postgraduate medical education. He held concurrent appointments as the Site Director and core faculty for the National Dermatology Senior Residency Programme, and Assistant Professor at the National University of Singapore.

In 2023, he was awarded the 10-year long service award with the National University Hospital.

Dr Mok graduated from the National University of Singapore and completed his specialist training under the National Dermatology training program, working at both the National Skin Centre and National University Hospital. He was awarded a Learning and Development Scholarship by the National University Hospital for fellowship training in Mohs’ Micrographic and Advanced Dermatosurgery at the prestigious St John’s Institute of Dermatology, London, United Kingdom. He pursued a secondary attachment with the Immunodermatology Service. While in London, Dr Mok worked with renowned dermatologists in their fields of skin cancer and immunodermatology.

Dr Mok now serves as a Visiting Consultant Dermatologist and Mohs’ Micrographic Surgeon at the National Skin Centre.

Throughout his career, He has published and presented multiple papers on dermatology in scientific journals and conferences. He has also been invited to be a guest reviewer at multiple peer-reviewed dermatology journals, and a guest speaker at medical and patient forums.

Dr Mok is currently a member of the Dermatology Society of Singapore, Member of the Royal College of Physicians (UK) and Fellow of the Academy of Medicine , Singapore.  He was also a member of the Taskforce on Aesthetic Medical Practice 2016, Academy of Medicine, Singapore.

Dr. Tan Siew Kiang

MBBS, M. Med (Int Med), MRCP (UK)

Dr Tan Siew Kiang is a Ministry of Health accredited dermatologist with over a decade experience in the specialty. She practises in fields of general, aesthetic and laser dermatology.

She graduated with a Bachelor of Medicine and Bachelor of Surgery from the University of Malaya in 2006, following which she came to Singapore to pursue her medical career. After completion of the Basic Specialist Training in Internal Medicine and obtaining membership of the Royal College of Physicians (UK) and Master of Medicine (Singapore) in 2010, she went on to Advanced Specialist Training in Dermatology at the National Skin Centre and Changi General Hospital.

Before the private practice, she was a dermatologist at Changi General Hospital since 2014 and a clinical tutor for the National University of Singapore. Prior to joining The Dermatology Practice @ Mount Elizabeth Orchard, Dr Tan was a consultant dermatologist at Raffles Hospital from 2016 to 2024.

Dr Tan believes in the importance of effective communication and being multilingual; with excellent command of English, Mandarin, Bahasa Melayu as well as the dialects Teochew, Hokkien and Cantonese, she is able to tailor her treatment to every individual under her care.

Aside from clinical excellence, Dr Tan is also active in dermatological research and has published numerous scientific research articles in peer-reviewed international medical journals. Her work has also been presented at many local and international conferences. In recognition of these achievements, she received the Singhealth Medical Research Publication Award in 2010.

Dr. Gavin Ong

MBBS (Singapore) M. Med (Int Med) MRCP (UK) FRCPS (Edinburgh) FRCP (Glasgow) FAMS (Dermatology) LLM (Medical Law & Ethics) (Edinburgh)

Dr Gavin Ong is a dermatologist by training and is a Consultant with The Dermatology Practice @ Gleneagles. He completed his dermatology training at the National Skin Centre, Singapore (NSC). Following his training, he was practising as a Consultant at NSC, and as a Visiting Consultant at Khoo Teck Phuat Hospital (KTPH) and Tan Tock Seng Hospital (TTSH). Dr Gavin Ong has presented and published numerous research papers in conferences and scientific journals. He has also been actively involved in medical education at Yong Loo Lin School of Medicine (NUS) and Duke-NUS Medical School.

He underwent his Fellowship at Chelsea & Westminster Hospital and St Stephen Centre in London and his sub-speciality interest include Sexual Health/STI and HIV Dermatoses. His previous appointments include being the Deputy Head at the Department of STI Control, a Public Health Officer under the Ministry of Health and the Medical Director of The Skin Specialist (SMG Dermatology Centre). As the Deputy Head at the Department of STI Control, he was actively involved in numerous public sexual health programmes and initiatives with the Ministry of Health.

He is currently a Fellow of the Academy of Medicine, Singapore under the Chapter of Dermatologists, as well a Member of the Dermatological Society of Singapore (DSS). Internationally, he is a Fellow of the Royal Colleges of Physicians of Edinburgh and Glasgow, United Kingdom, an International Fellow of the American Academy of Dermatology (AAD), a Member of the European Academy of Dermato-Venereology (EADV), and a Member of The International Union against Sexually Transmitted Infections (IUSTI). He also obtained a Masters Degree in Medical Law & Ethics in 2015.

At the The Dermatology Practice, Dr Gavin Ong provides a wide range of services from medical dermatology, to cosmetic dermatology, as well as his sub-specialty interest of sexually transmitted infections. The range of medical skin conditions include acne, eczema, psoriasis, skin allergies, skin cancers and inflammatory skin conditions. For cosmetic dermatology, common concerns include hair (too much or too little on the scalp, face or body), skin pigmentation, excessive perspiration (underarms, palms and soles) and facial aging. Treatment methods available at The Dermatology Practice include lasers, fillers and neuro-modulators. As for sexually transmitted infections, Dr Gavin Ong is well trained in the areas of sexual health screening, treatment as well as prevention of STIs. STI vaccination services, 4th generation HIV rapid testing, Post-exposure prophylaxis (PEP) and Pre-exposure prophylaxis (PrEP) are available at The Dermatology Practice @ Gleneagles.

Dr. Rachael Teo

MBBS (Singapore), M. Med (Int Med), MRCP (UK), FAMS (Dermatology), GDip (Pall Med)

Dr Rachael Teo is a Ministry of Health accredited Dermatologist with more than 20 years of clinical experience in both public and private practice. She has been practicing Dermatology since 2004.

After graduation from the National University of Singapore in 2000, she obtained her Master of Medicine (Internal Medicine) and was elected a Member of the Royal College of Physicians (UK) in 2004. Dr Teo completed her Advanced Specialist Training in Dermatology at Changi General Hospital (CGH) and National Skin Centre in 2009. In 2012, Dr Teo completed her fellowship in Immunodermatology at the prestigious Indiana University School of Medicine, USA.

Dr Teo started her Dermatology practice in at Changi General Hospital where she launched the Immunodermatology Clinic in 2009 to improve the care for patients with immunobullous and collagen vascular disorders affecting the skin. She was also involved in the development of the CGH Eczema Clinic and has extensive experience in the management of both adult and paediatric patients with difficult-to-manage atopic eczema. She currently retains a Visiting Consultant session at CGH Immunodermatology Clinic. In recognition of excellent patient care, Dr Teo was awarded the CGH Quarterly Best Service Award in 2013. While in public service, she was active in the training of undergraduate medical students and postgraduate dermatology trainees and was appointed Clinical Tutor at the Yong Loo Lin School of Medicine, NUS. Since 2013, Dr Teo moved into private practice as a Consultant at the Raffles Skin and Aesthetic Centre where she further developed her clinical expertise, managing a wide range of dermatological conditions for both local and expatriate patients.

At The Dermatology Practice @ Gleneagles, Dr Teo aims to provide excellent, evidence-based care for her patients. Her clinical expertise includes general dermatology like mole and skin cancer screening, assessment of skin allergies, acne, pigmentary disorders, psoriasis, urticaria and hair loss, as well as evaluation and treatment of sexually transmitted diseases. She has a special interest in managing patients with pemphigoid, pemphigus, cutaneous vasculitis and connective tissue disorders affecting the skin such as cutaneous lupus erythematosus. She performs skin surgery for mole removal and other benign skin lesions. She is proficient in the use of laser surgery for facial rejuvenation and to treat a variety of conditions such as acne scars, pigmentation and tattoo removal.

Dr Teo remains active academically in the local Dermatology community. She is a frequently invited speaker at public educational forums and has published many research articles in peer-reviewed scientific journals. She has served 2 terms on the Executive Committee of The Dermatological Society of Singapore and also in organizing committees of local Dermatology meetings. Presently, she is the Vice-Chairman of the Chapter of Dermatologists, College of Physicians, Singapore.

Dr. Lynn Teo

MBBS (London) MRCP (UK) FAMS (Dermatology)

Dr Lynn Teo is a Consultant Dermatologist with more than 20 years of medical experience. Her sub-specialty training is in Cosmetic and Procedural Dermatology, Hair Transplant Surgery, Hair and Scalp Disorders, and Immune System problems affecting the skin.

Dr Teo graduated from Imperial College School of Medicine (St. Mary’s Hospital Medical School) in London in 1999, following which she returned to Singapore to pursue her career in medicine. After completion of the Basic Specialist Training in Internal Medicine, she went on to Advanced Specialist Training in Dermatology at the National Skin Centre and Changi General Hospital.

She was awarded a scholarship in 2009 by the Ministry of Health and Singapore Health Services to pursue a fellowship in Hair Transplant Surgery and Procedural Dermatology at the prestigious Mount Sinai Hospital, New York. Whilst at Mount Sinai Hospital, Dr Teo worked with renowned dermatologists who are experts in their fields of skin and hair surgery, aesthetic and procedural dermatology.

Dr Teo started the Hair Loss and Hair Transplant clinics at Changi General Hospital in 2010 and was the Consultant dermatologist of the Immuno-blistering and Collagen Vascular Skin Disorder clinic in 2011- 2012. She is now a Visiting Consultant to the Department of Dermatology at Changi General Hospital where she is involved in patient care and teaching of doctors training in dermatology.

Aside from clinical activities, Dr Teo sat in the committees for Wound Management and Research Advisory Group. She has published and presented various research papers on dermatology in scientific journals and conferences. She has also contributed numerous articles and is an invited speaker for medical and patient education.

Recognition awarded to Dr Teo include Best Houseman during her internship year (1999) and Silver and Gold Best Service Awards for excellence in patient care in 2010 and 2011 respectively under the Singapore Health Quality Service.

Dr Teo is a member of the Dermatological Society of Singapore and the Chapter of Dermatologists, College of Physicians, Singapore. She is also a member of the Royal College of Physicians (UK) and a Fellow of the Academy of Medicine, Singapore (Dermatology).

Dr. Lim Kar Seng

MBBS (Singapore) MRCP (UK) FAMS (Dermatology)

A consultant dermatologist with The Dermatology Practice, Dr Lim Kar Seng has more than 20 years of medical experience. His subspecialties are in skin cancers, phototherapy and psoriasis.

Prior to setting up The Dermatology Practice, Dr Lim was a consultant dermatologist in private practice with Dermatology Associates from 2010 to 2012 and had clinics at the Paragon medical centre, Gleneagles & Parkway East medical centre. Before entering private practice, Dr Lim was a consultant dermatologist in the skin cancer unit, and the psoriasis unit at the National Skin Centre, Singapore. In addition, he was a clinical tutor at the Faculty of Medicine, National University of Singapore.

After graduating from the School of Medicine, National University of Singapore, Dr Lim underwent his training in Internal Medicine. Upon completion in 2004, he obtained his Advanced Specialist Training in Dermatology at the National Skin Centre. Subsequently, Dr Lim pursued his special interest in skin cancers at the Victoria Skin and Cancer Foundation, Australia, which sees one of the highest rates of this condition in the world. There, he worked with world-renowned experts in this field. He also did research and was involved in the care of psoriasis patients at St Vincent’s hospital, Melbourne. He has extensive experience in the use of biologic therapies for psoriasis patients.

Throughout his career, Dr Lim has been actively involved in research and has published more than 20 scientific papers in peer-reviewed journals. In addition, he has been invited to give numerous lectures in his field of expertise both locally and internationally, notably at the World Congress of Dermatology 2011 at Seoul, Korea and at the Asia Pacific Acne Leaders Summit 2012 in Hong Kong

His accomplishments include being awarded the ASEAN scholarship (1990), Best Registrar and the National Healthcare Group Best Teacher Award (2007), World Congress of Dermatology scholarship (2007) and the Ministry of Health Manpower Development Program Award (2008).

Dr Lim is on the Chapter of Dermatologists, College of Physicians Singapore and was an Executive Committee member of the Dermatological Society of Singapore. He is also a Member of the Royal College of Physicians (UK), a Fellow of the Academy of Medicine, Singapore (Dermatology) and a member of the International Society of Investigative Dermatology.

Dr. Paul Chia

MBBS (Singapore), MRCP (UK), M. Med (Int Med), FRCP (Edinburgh)

Dr Chia graduated from NUS in 2000 and obtained his Membership of the Royal College of Physicians (UK) and Masters of Medicine in 2006. After completion of the Basic Specialist Training in Internal Medicine, he went on to pursue advanced specialist training in Dermatology at the National Skin Centre and Changi General Hospital (CGH), where he was awarded the Best Candidate by the Chapter of Dermatologists.