Our Team

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 Campbell Howitt graduated from the University of Edinburgh in 2010, obtaining his Bachelor of Medicine and Bachelor of Surgery going on to obtain his Membership of the Royal College of General Practitioners in London in 2016 and his Fellowship to the Royal College of General Practitioners in Australia in 2017.

With special interests in Paediatrics and Adolescent health, Dr Howitt continued on to obtain his Diploma of Child Health in 2014. He has created positive community links by working out in our local communities through the GP in schools programme and also working closely with Sydney University and Notre Dame with Medical Students.

Campbell also has Diploma of Sexual and Reproductive Health, which has expanded his practice within diverse community groups to promote positive relationships between health care workers and the Adolescent and LGBTQI community.

With a keen interest in ongoing professional development, Dr Howitt has commenced studies in Cosmetic medicine, which will broaden his skill set to treat more widely common dermatological conditions through complex procedural lesion removals and repairs, utilisation of non-invasive current technology including IPL machines and treat medical conditions such as hyperhidrosis, cervical dystonia, overactive bladder and chronic migraines with Botulinum Toxin.

Dr Campbell Howitt is available from 8:00am – 6:00pm Tuesday to Friday

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 9:30am – 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


Advanced Practice Nurse

Puja is our Advanced Practice Nurse who graduated from Australian Catholic University. She also has a Diploma in Health Science from the University of Birmingham and is currently undertaking her Graduate Certificate in Public Health and advancing to complete her Masters in Public Health with the University of Newcastle. She is experienced in chronic disease management, childhood, adult, and travel vaccinations, assisting in minor day procedures alongside the GPs’ and pre-employment medicals. She is also part of the steering group for diabetes with Sydney North PHN. She has an interest in cosmetic procedures and biological therapy IV infusions and will be providing these services in the near future.

Puja works Monday to Friday 8:00 am – 4:00 pm.

Holly Davies

Practice Manager and National Nursing Coordinator for Qualitas Health

Holly is our Practice Manager and also the National Nursing Coordinator for Qualitas Health who graduated from Western Sydney University in 2005 with a Bachelor of Nursing and in 2006 with an Advanced Diploma in Midwifery.

Completing postgraduate qualifications in I.T, Continence care and promotion, Suturing and advanced Wound closure, Immunisation, Implanon insertion and removal, chronic disease management, sexual health and business management, Holly has received recognition for her commitment to primary health care receiving the national title of Practice Nurse of the Year in 2011 for her efforts in Continence care and promotion and again in 2017 for the National Title in all areas of Primary Health Care. Her commitment to the ongoing support and development of GP registrars undertaking training and placements in General Practice also won her the GP Synergy Practice Manager of the year in 2016.

Holly has a keen interest in cosmetic medicine and is currently undertaking a cosmetic training pathway to offer the patients of North Sydney Medical Centre full cosmetic services including Botulinum injections, fillers, IPL and dermatology services.

Holly works Monday – Friday & Saturdays where required

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