Dr Tonia Mezzini is based at:

Adelaide Oncology and Haematology

Advanced Gynaecological Surgery Centre


Dr Mezzini is a lecturer in Sexual Health at the University of Adelaide and is regularly invited to present to GPs and other specialists on sexual health issues.


To further enhance her skills, Dr Mezzini is currently studying for a Masters degree in Psychiatry at the University of Melbourne.

Dr Tonia Mezzini

BA (Hons) BMBS Dip Pall Med (Clinical) MHSSH M Psyc (in progress) FRACGP FAChSHM

Dr Tonia Mezzini completed the Graduate Entry Medical Degree at Flinders University in 2000, and as a young doctor she worked in Medical and Radiation Oncology as well as Palliative Medicine, completing the Clinical Diploma in Palliative Medicine in 2008.

Dr Mezzini completed her training as a Sexual Health Physician in 2014 and her experience working in a range of sexual health services in South Australia is unparalleled. She has worked at Clinic 275, Yarrow Place, Second Story Youth Health Service, Cervix Screen SA, Adelaide Women’s Health Centre and the Women’s and Children’s Hospital.

During her training, Dr Mezzini was awarded a Master of HIV, STIs and Sexual Health through the University of Sydney in 2013.

As the Medical Director of SHine SA, Dr Mezzini headed up medical clinics for the State’s leading sexual health agency. She was part of the medical team at Pelvic Pain SA, providing expert care to both men and women with chronic pelvic pain concerns.

At Adelaide Oncology & Haematology Dr Mezzini provides support for women with gynaecological and sexual concerns during and after cancer therapy.

She works closely with experienced clinicians providing Gender Affirming Hormone Therapy to transgender and gender non-conforming people.

Offering discreet treatment and information

Dr Mezzini practices according the to World Professional Association for Transgender Health Standards of Care (Version 7) and the Endocrine Society’s Clinical Practice Guidelines for the Treatment of Transsexual Persons. The practice ensures safe, supported and appropriate hormonal care.  Dr Mezzini sees people from the age of 16 years for gender affirming hormone therapy.

Dr Mezzini is one of the few clinicians in Adelaide working with men with chronic pelvic pain. Her approach is as part of a multidisciplinary team and she established the Adelaide Pelvic Pain Network in order to ensure that people suffering from chronic pelvic pain receive the best possible care. The Adelaide Pelvic Pain Network meet monthly to discuss complex cases, and review new developments in the scientific literature.

Patients are offered a discrete alternative to Adelaide Sexual Health Care for sexually transmitted infection testing, treatment and information.

Professional Memberships

  • Adelaide Pelvic Pain Network
  • Pelvic Pain Foundation of Australia
  • Australian and New Zealand Professional Association for Transgender Health
  • Australian and New Zealand Vulvovaginal Society
  • Australasian Menopause Association
  • Australasian Society for HIV Medicine