Dr Mendonsa has more than 16 years of experience of working as a Psychiatrist. While in India, in addition to private practice, he worked in various academic positions in clinical psychiatry, and has several scientific publications in the field of psychiatry. He was a Professor and Head of the Department of Psychiatry at Yenepoya University, India for 3 years before he migrated to Australia. Dr Mendonsa has been working in the public mental health system in Australia since early 2018, and is also into private practice since early 2022.

Dr Mendonsa is particularly interested in Treatment of Depression and Bipolar Disorder, Anxiety Disorders, and Adult ADHD. He treats young people (aged 16 years and above), adults and older adults.

Dr Mendonsa is experienced in working collaboratively with people of different backgrounds, and firmly believes in holistic care involving Biopsychosocial domains for better treatment outcomes and patient satisfaction. He is fluent in English, Hindi, Kannada and Konkani.