ALERT: If you have a fever, cough, sore throat or shortness of breath and you have travelled, please contact us via phone prior to making a booking or visiting the medical centre.

Hay Street Perth

Our Team

The team at Sonic HealthPlus Hay Street Perth are highly trained within their medical discipline. We have doctors from both general practice and occupational healthcare backgrounds. This means our treating doctors are skilled and passionate in the medical service they provide their patients, regardless of the service.

Supporting our doctors are our friendly and knowledgeable clinical and administration team. We embrace teamwork at our practice and all work together to provide an accurate service our patients can rely on.

Dr Mark Kent

MBBS, DAME, AsMA, MRO, Professional Certificate of Skin Cancer Medicine

Dr Mark Kent is a Perth born and educated General Practitioner. He graduated from The University of Western Australia in 1986. After 5 years of hospital-based experience and further training, including Paediatrics, Orthopaedics, Anaesthetics and Psychiatry, he entered General Practice in 1990 where he has remained, working full-time ever since. After initial Practice in Bayswater and Sorrento he settled at Perth Medical Centre in the Perth CBD for the next 17 years. In 2007 he moved into his current premises on Hay Street. In addition to General Practice, his ongoing interests include Skin cancer surveillance and treatment, Travel Medicine, Corporate Medicine and Corporate Health provision, management of sports injuries, management of work related injuries, recreational and commercial diving medicine. He is an Aviation doctor and a CASA DAME and an examiner for Danish, Norwegian and OGUK maritime medicals. His personal passion is recreational diving, both within Australia and abroad.

Dr Lisa Surman

MBBS, Dip Obs RACOG, Professional Certificate in Skin Cancer Medicine, MRO

Dr Lisa Surman graduated from the University of Western Australia in 1985. She commenced general practice in the northern suburbs after gaining experience in various WA hospitals including Princess Margaret Hospital for Children, King Edward Maternity Hospital and delivering babies at Swan Districts Hospital. She has worked fulltime in the Perth CBD for the past 16 years after returning from six years working in Brunei where she gained experience in Travel and Tropical medicine and the needs of expatriate workers. Lisa enjoys all aspects of General Practice including shared antenatal care, menopause and women’s health and has a Diploma in Obstetrics and Gynaecology. She also has an interest in Skin cancer surveillance and treatment, Diving Medicine and is an examiner for both recreational and commercial diving medicals as well as Danish, Norwegian and OGUK Maritime medicals. Her time spent overseas led to an interest and experience in Travel Medicine and the management of expatriate workers.

Dr Mandy Croft


Dr Mandy Croft graduated from the University of Western Australia in 1990 and spent 5 years working in Perth teaching hospitals, gaining a broad range of experience. She completed the General Practitioner training programme and obtained her Fellowship of the Royal College of GP's in 1997.

Dr Croft has mainly worked in suburban Genral Practice since then, but also for a time in sexual health and palliative care clinics. Since joining this practice in 2011, she has maintained her love of the variety that general practice provides and the opportunity to promote preventative medicine.

She also enjoys occupational medicine and is an examiner for Danish, Norwegian, OGUK and Rail worker medicals as well as recreational Scuba dive examinations.

Dr Sally Partington

MB.CH.B FRACGP Mod BA MRCGP DCH DTM&H Grad Dip Women's Health 

Dr Sally Partington graduated in 1981 from Aberdeen University having first completed a degree in Microbiology from Trinity College Dublin. She lived and worked as a GP in the Sultanate of Oman for 7 years before moving to Perth 16 years ago. Dr Partington has worked as a GP in Aboriginal Heath and Sexual Health at Royal Perth Hospital. Sally has also worked in women's health at the Royal Flying Doctor Service. She enjoys all of general practice but has particular interests in women's health (including antenatal care and the menopause), sexual health, PrEP prescribers, tropical medicine and travel health.

Dr Kelly Houwen


Dr Kelly Houwen is a locally trained General Practitioner. She graduated from the University of Western Australia in 2011. She gathered experience in top WA hospitals including Fremantle Hospital and King Edward Memorial Hospital, before focusing on family medicine. Kelly has worked as a General Practitioner in Perth suburbs for several years. She is interested in many aspects of General Practice medicine with particular interests in shared antenatal care, women's health, adolescent and youth health.

Dr Jennifer Sisson

Travel Medicine Doctor, Travel Doctor-TMVC Chief Medical Officer

Dr Sisson began working in Travel Medicine in 1997 alongside practicing General Practice medicine (FRACGP), throughout Perth, WA. In 2007 Dr Sisson completed a Master of Public Health and Tropical Medicine at James Cook University in Townsville. She joined Travel Doctor-TMVC as a Medical Director in April 2007, and is currently Travel Doctor-TMVC’s Chief Medical Officer. In 2010 she became a Fellow of the Australian College of Tropical Medicine (ACTM).

Passionate and experienced in what she does, Dr Sisson regularly presents for General Practitioners and school organisations. She has co-authored a paper on intradermal rabies in the Journal of Travel Medicine, and Fever in the Returned Traveller in Australian Prescriber in 2012. She is the past chair of the Faculty of Travel Medicine and is regularly asked to present at conferences throughout Australia.

Her areas of special interest include complex travel medicine cases, post travel illness, diving, corporate and offshore medicine.

Dr Tristan Rivera

Travel Medicine Doctor

Dr Rivera is a General Practitioner with a special interest in Travel Medicine. He has a fellowship in the Royal Australian College of General Practitioners (FRACGP) and has been working for Travel Doctor-TMVC since 2014. Since graduating from The University Of Western Australia in 2006 (MBBS) Dr Rivera has worked in many aspects of medicine ranging from Emergency Medicine, Paediatrics, Women’s Health, Internal Medicine and Surgery.

Dr Rivera now splits his time between Travel Medicine and General Practice. He enjoys travelling to new places and interacting with different cultures, trying new languages, eating the local food and seeing historical sites all over the world. Travel has been less in recent years with his young family but he looks forward to showing the world to his children in the near future.

Katie Douglas

Practice Manager

Katie joined the Sonic HealthPlus team in 2013. In her time with the company, Katie has moved from Clinic Administration, to Occupational Health Technician roles, to holding the role of Clinic 2IC. This experience gave Katie a broad knowledge of all levels of Sonic HealthPlus services, as well as the Occupational Health sector. In 2019, she became Clinic Manager at the Hay Street Perth clinic. Thriving on change, Katie is always seeking out improvements and encouraging new ideas.