Reception Hours: Tues-Fri 9am-4pm 07 4946 4021

Meet The HMM Health Team

Our Clinical Team

Nathan Harriott


Nathan Harriott is Partner and Psychologist at HMM Health. Nathan is engaged in both clinical and organisational service provision at HMM Health. In his clinical service provision, Nathan works primarily with adults through a range of referral pathways (Medicare, WorkCover, EAP, private). Nathan assists people with a variety or challenging psychological, emotional and behavioural problems through creating a safe and engaging environment. Nathan ensures that he is working towards assisting the individual meet their own treatment goals.

Dr Catherine McQuoid-Mason


Dr Catherine is Partner and Clinical Psychologist at HMM Health, who has been practising for over 10 years. Dr Catherine has experience working with children, adolescents, and adults presenting with a range of psychological, emotional and behavioural problems. Dr Catherine believes in tailoring the therapeutic experience to fit each individual client, and takes their values into consideration throughout the therapy process. Dr Catherine is currently working with clients between the ages of 4 and 15 years only.


Olivia Penna


Olivia is a provisional registered Psychologist with the Australian Health Practitioner Regulation Agency, currently completing her final year of training at HMM Health. Olivia works with clients across the lifespan from children to older adults, with a focus on ensuring her clients feel comfortable and supported throughout the therapy process.

Our ADMIN Team

The HMM Health administration team is available Tuesdays and Thursdays from 9am to 2pm, and Wednesdays and Fridays from 10am to 3pm.  If you are calling outside of these hours please leave a voicemail, and someone from the admin team will return your call during admin hours.


Sindy Hiscox

 Sindy joined the HMM Health team in 2022.  Sindy is able to assist current clients with appointment bookings, and processing of payments and rebates.  Sindy works on Tuesdays to Fridays. Please note reception is closed on Mondays.

About Us

HMM Health is a Psychology Service located in the Whitsundays. Our clinics service Proserpine, Cannonvale, and Airlie Beach areas. HMM Health has Clinical and Generalist Psychologists who work with Children, Adolescents and Adults. 

Contact Us

Phone:   07 4946 4021
Fax:    07 4946 5902   

Whitsunday Business Centre
Suite 24, 230 Shute Harbour Road

PO Box 424, Cannonvale QLD 4802