Dr Sybil Johnstone

Mon - Wed & Fri

Sybil has been a GP in the Hills area since 1982. She graduated from the University of Sydney and has a Masters degree in Psychological Medicine from the University of NSW. Until August 2017 Sybil was the owner and principal doctor of her own practice, first in Kellyville and then in Castle Hill at the other end of Showground Road.

Sybil’s special interests are psychological medicine, women’s health, and geriatrics. She loves the challenge and variety that are unique to general practice. Outside of work, she enjoys travel, photography and classical music.

Book Appointment

  • Online



    Opening Times

    • Week Days7.00 am to 9.00 pm
    • Saturdays7.00 am to 8.00 pm
    • Sundays8.00 am to 8.00 pm
    • Public Holidays9.00 am to 6.00 pm

    castle hill

    medical centre

    • Phone02 9634 5000
    • Fax02 8061 4308
    • AddressLevel 1, Castle Mall 4-16 Terminus Street, Castle Hill NSW 2154
  • 40876177572D0814DA333CCC88C127E5