Meet the doctors at Octa Medical

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Dr Okka Aye Min

MBBS FRACGP Dip Child Health

Dr Okka has been a Doctor in Australia for 11+ years. He is a Fellow of The Royal Australian College of General Practitioners. He has developed a good clinical acumen after working across a variety of clinical settings. Away from work, he enjoys playing sports and time with family.

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Dr Labdhi Mehta

MBBS Dip Child Health

Dr Labdhi graduated from James Cook University in 2018 and later completed her Child and Adolescent Health Diploma at the University of Sydney in 2020.  Dr Labdhi brings a wealth of experience and enthusiasm to the team at Octa Medical.

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Dr Naveid Ali


Dr Naveid graduated from the University of Sydney in 2018 and has been developing his skills as a doctor in hospitals and general practice.  Dr Naveid completed his PhD researching cancer and biotechnology before retraining as a doctor.

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Dr Bryan Galvin


Dr Bryan completed his studies at the University of Sydney in 1971 and has worked in general practice for over 48 years. He maintains ongoing training in all aspects of General Practice and has a wealth of knowledge and experience in all facets of general practice medicine.

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Dr Mark Graydon


Dr Mark Graydon is an experienced general practice doctor and supervisor of registrar doctors. After 36 years in Cranebrook, Dr Mark and his team have joined Octa Medical.  Dr Mark Graydon brings a wealth of knowledge and experience to the team.

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Dr Roy Mariathas


Dr Roy graduated from the University of Western Sydney in 2012 and has worked across hospitals, specialties and general practice. Dr Roy is passionate about preventative health care, medication optimisation, acute conditions and chronic disease management.