Our Doctors

Dr. Lesleigh Brown

MBBS, DipPDerm

Dr Brown completed his Bachelor of Medicine and Bachelor of Surgery (MBBS) from the University of Sydney in 1976. He has also attained a Diploma of Practical Dermatology (DipPDerm) from Cardiff University and is a Fellow at the Australian College of Cosmetic Surgeons.

Highly experienced in all areas of General Practice, he holds particular interest in cosmetic medicine, sclerotherapy, travel medicine and all areas of dermatology. As a procedural practitioner, Dr Brown is able to perform skin repair and lesion removals, skin checks and cosmetic enhancement procedures all of which can be performed onsite at our new Berry street practice.
With a vast array of skills and experience, Dr Brown offers his patients personalised service and ongoing care.

*Please note that Dr Brown does not offer antenatal shared care services.

Monday 8:00am – 12:00pm
Tuesday 8:00am – 12:00pm
Wednesday- Unavailable
Thursday 8:00am – 12:00pm
Friday 8:00am – 12:00pm
Saturdays – Occasional only

Dr. Karyn Charles


Dr Charles completed a Bachelor of Medicine and Surgery from The University Of Queensland in 2008. She completed a Internship and Residency at The Mater Hospital South Brisbane. Dr Charles then transferred to full time service in the Royal Australian Air Force, with a focus on Aviation, Aeromedical and Occupational Medicine. Dr Charles completed a Diploma of Child Health in 2015 and GP training in 2016 and is a fellow of the Royal Australian College of General Practitioners. Dr Charles discharged from the permanent RAAF in 2019 and transferred to the RAAF Reserves. Karyn’s interests are in fitness and well being, preventive and occupational health, musculoskeletal and acute care.

Dr. Campbell Howitt


Dr Howitt qualified in Edinburgh, Scotland before completing his GP training in London. He has an interest in Paediatrics and Sexual health, having completed post graduate diplomas in these fields. His other areas of interest include Men’s health and Ear, Nose and Throat medicine.

Tuesday 8:30am – 5:30pm
Wednesday 8:30am – 5:30pm
Thursday 8:30am – 5:30pm
Friday 8:30am – 5:30pm

Dr David Ross Smith


Dr David Ross Smith grew up on the Northern Beaches and has worked extensively throughout Australia in both remote and urban settings. He became a Fellow of the Royal Australian College of General Practitioners (RACGP) in 2005.

Dr Davids interests include sports injuries, travel medicine, skin cancer prevention and management and mens health.

Dr. Gayani Jayasinghe


Dr Jayasinghe will predominantly consult on Mondays, Wednesdays and Alternate Saturdays.

Monday 9:30am – 2:30pm
Wednesday 930am – 2:30pm
Alternative Saturdays 9:00am- 11:30am

Dr. Anji Lee

MBChC (Hons), BSc (Hons), DFSRH, FRACGP

Dr Anji Lee qualified from Manchester University Medical School in 2008 and worked for the last 6 years as a private GP at Fleet Street Clinic and an NHS GP in central London before moving to Sydney. Before qualifying as a General Practitioner Dr Anji Lee trained in various specialities including accident and emergency, gastroenterology, respiratory medicine, sexual health and psychiatry. She has a specialist interest in psychiatry and sexual health medicine and was a member of the Faculty of Sexual and Reproductive Healthcare.

Dr. Vincent Lertamornthep

MBBS(Syd), DTM&H, GradDipPaed, FRACGP

Dr Lertamornthep graduated from the University of Sydney in 1995. He is a Fellow of the Royal Australian College of General Practitioners and holds a Graduate Diploma in Paediatrics. Vincent’s Diploma in Tropical Medicine and Health enables him to provide extensive travel advice for our patients. He is fluent in Thai.

Monday 8:30am-4:00pm
Tuesday 8:30am-4:00pm
Wednesday 8:30am-3:30pm
Thursday 8:30am-3:30pm
Friday 8:30am-1:00pm

Dr. Nazir Sumar

Dr Sumar graduated from University in Shiraz, Iran. His special interest includes men’s health. He can speak several languages including Persian, Swahili (East Africa), Arabic and Hindi.


Saturdays 9:00am- 1:00pm

Dr. Ngaire Millener


Dr Millener graduated from the University of Auckland in 1984. Her special interests include Women’s Health and Travel Medicine.

Wednesday 12:00pm-6:00pm

Dr. Amanda Pieris

Dr. Amanda Pieris is a highly experienced general practitioner who enjoys caring for patients of all ages and stages of life. She graduated from UNSW and has worked in general practice since 1984. Dr Pieris worked at Beecroft for an extensive period before relocating overseas from 2009 until 2016.

She joined North Sydney Medical Practice in 2018, having moved locally. While overseas Dr. Pieris completed a masters degree in clinical education from Flinders University and did volunteer medical work in several countries.

She enjoys all areas of general practice and family medicine, and has special interest in women’s health, lifestyle and travel medicine. She loves spending time with her family, especially her four gorgeous grand-daughters.

Tuesday 8:30am-5:00pm
Thursday 8:30am-5:00pm

Dr. Richard Loizou


Dr Loizou graduated from Sydney University in 2006 and since that time has provided medical services to the Australian Defence Force. Dr Loizou is a qualified Diving Medical Examiner and works closely with the Royal Australian Navy’s school of diving medicine. His special interests include adolescent health and sports medicine.

Wednesday 8:00am-6:00pm

Dr. Katya Danko

Graduated 1988 from Moscow Medical Academy ( named after I.M. Sechenov)
Interests: Woman/Children Health & General Medicine
Diploma in: (1) Child Health (2) Environmental Health (3) Ophthalmology (4) Primary Care Dermatology

Tuesday 9:30am-4:30pm
Wednesday 9:00am-1:30pm
Thursday 9:30am-4:30pm

Dr. Diane Xiao


Dr Diane Xiao joined our team in February 2019 and is a graduate of the University of Sydney. She is interested in caring for people in all aspects of General Practice and all stages of life. She holds certificates from the Sydney Child Health Program (formerly Diploma of Child Health) and FPAA National Certificate in Reproductive and Sexual Health.

Monday 8:00am-6:00pm
Tuesday 8:00am-6:00pm
Thursday 8:00am-6:00pm
Friday 8:00am-6:00pm

Allied Health

Sydney Foot Pain Clinic

Andrew Sarkowi - Podiatrist

Space to Relate Psychology

Adena Silverstein - Registered Psychologist

Adena is a fully registered Psychologist with the Australian Health Practitioners Registration Authority - AHPRA (Registration No: PSY0001125660) and a member of the Australian Psychological Society - APS (membership No: 108525). She shows genuine and empathic support and concern for her clients. She engages her clients in working collaboratively with her, with the aim of increasing their feeling of well-being. She utilises various therapeutic frameworks to guide sessions with clients. Sessions are tailored to assess and address the specific needs and concerns of each client, according to their unique situation.

Master of Psychology – Counselling
Monash University, Australia, 2008

Bachelor of Education – Education Psychology
Rand Afrikaans University, 2000

Bachelor of Arts – Education Psychology (Majors: Education and Psychology)
University of South Africa,1998

Higher Diploma of Education
Johannesburg College of Education, 1994

Adena has extensive experience in both government funded organisations and private practice. She has provided counselling for individuals (adults, adolescents and children), families and couples across a broad range of presentations.

Areas of interest
● Depression
● Anxiety
● Stress
● Grief and Loss
● Life transitions
● Workplace functioning

● Migrant adjustment
● Weight and healthy lifestyle
● Relationship concerns
● Family matters
● Parenting
● Stepfamilies