Yes, we service your area.

To make a booking call us on 13SICK (137425) or book online.

Call now
Book online
  • Some postcodes are only partially within the 13SICK, National Home Doctor Service boundary; a positive search result does not guarantee that your address is within service area. To confirm coverage please call 13 7425 (13 SICK).
  • This search tool is provided as a guide to assist in determining whether an area falls within the 13SICK, National Home Doctor Service coverage area. It does not constitute any undertaking or obligation on the part of NATIONAL HOME DOCTOR SERVICE or its agents to provide medical services.

Yes, we service your area.

Please book online, via the APP or call when our booking lines are open.

Our booking lines are open from 6pm weekdays, 12 noon Saturday, all day Sunday and public holidays.

  • Please note, this search tool is provided as a guide only. A positive search result does not guarantee that your address is within our service area, as some postcodes are only partially covered within National Home Doctor Service's boundary. It does not constitute any undertaking or obligation on the part of National Home Doctor Service, or its agents, to provide after hours medical care. To confirm if we service your area, please call 13SICK (that's 13 7425).

Regrettably we do not service your area.

You can speak with a registered nurse (as listed below) who can provide further medical advice. We apologise for any inconvenience and thank you for your understanding.

13Health (QLD) - 13 43 25 84
Nurse On Call (VIC) - 1300 60 60 24
Health Direct (all other states) - 1800 022 222
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  • Yes, we service your area.

    To make a booking call us on 13SICK (137425) or book online.

    Call now
    Book online
    • Some postcodes are only partially within the 13SICK, National Home Doctor Service boundary; a positive search result does not guarantee that your address is within service area. To confirm coverage please call 13 7425 (13 SICK).
    • This search tool is provided as a guide to assist in determining whether an area falls within the 13SICK, National Home Doctor Service coverage area. It does not constitute any undertaking or obligation on the part of NATIONAL HOME DOCTOR SERVICE or its agents to provide medical services.

    Yes, we service your area.

    Please book online, via the APP or call when our booking lines are open.

    Our booking lines are open from 6pm weekdays, 12 noon Saturday, all day Sunday and public holidays.

    • Please note, this search tool is provided as a guide only. A positive search result does not guarantee that your address is within our service area, as some postcodes are only partially covered within National Home Doctor Service's boundary. It does not constitute any undertaking or obligation on the part of National Home Doctor Service, or its agents, to provide after hours medical care. To confirm if we service your area, please call 13SICK (that's 13 7425).

    Regrettably we do not service your area.

    You can speak with a registered nurse (as listed below) who can provide further medical advice. We apologise for any inconvenience and thank you for your understanding.

    13Health (QLD) - 13 43 25 84
    Nurse On Call (VIC) - 1300 60 60 24
    Health Direct (all other states) - 1800 022 222
    © National Home Doctors Service

Our leadership team

13SICK, National Home Doctor is Australia's largest network of home visiting doctors. Proudly Australian, our service has a 30 year history of providing urgent medical care after hours when GP Practices are closed. 13SICK combined the strengths of long term industry leaders: Family Care Medical Services; Melbourne Medical Deputising Service; and GPSolutions. More than 7,000 GPs trust 13SICK to look after their patients after hours.

Accredited to the standards of the Royal Australian College of General Practitioners, with Australian General Practice Accreditation Limited and GPA, our reputation for quality care is built on the solid foundation of our Clinical Advisory Group.

Our Executive Management Team works collaboratively with our Clinical Advisory Group to ensure the business provides exceptional, accessible and sustainable healthcare.

Executive management team


  • John Pappalardo

    Chief Executive Officer

    John is an experienced executive who has worked across a number of major industries including healthcare, logistics and manufacturing. He has a track record in driving increased shareholder value through business growth and profit improvement programs.

    John has spent the last 12 years in healthcare, taking particular satisfaction from the higher social responsibility that is bestowed upon healthcare organisations. He is of a clear view that quality and patient-centricity is at the heart of our business purpose.


  • Dr Umberto Russo
    MBBS, FRACGP

    Chief Medical Officer

    Dr Russo has more than two decades’ experience both in General Practice and medical deputising. He established Adelaide’s leading medical deputising service prior to merging with 13SICK, National Home Doctor. Dr Russo works closely with the Board overseeing clinical governance, policies and procedures.

  • David Wiggins

    Chief Financial Officer

    David Wiggins is a Chartered Accountant and experienced Chief Financial Officer and Company Secretary, having held the financial leadership roles in a number of ASX listed and private equity owned companies over the past 20 years.

Clinical Advisory Group

Our Clinical Advisory Group is a team of distinguished Medical Directors from around the country who oversee medical governance, and set and review all clinical policies and procedures. The Group also advises Board and Management and offers valuable mentoring to our team of Doctors.

  • Dr Nicholas Demediuk

    Dr Nicholas Demediuk

    MBBS, BEd, FRACGP (LIFE MEMBER), DRANZCOG

    Medical Director - VIC

    • Medical Director: Parkmore Medical Centre
    • Medical Director: Dr Snip Vasectomy Clinics
    • Board member: AGPAL, AGPN, AAGP
  • Dr Bers Wenck

    Dr Beres Wenck
    MBBS, MAICD, FRACGP (HON) FAMA

    Medical Director - QLD

    • Rose-Hunt Award recipient (2012) for outstanding commitment to Australian General Practice
    • AMAQ President's Award (2007) for outstanding contributions to Queensland's health system
    • Past President, Brisbane North Division of General Practice

  • Dr Umberto Russo
    MBBS, FRACGP 

    Chief Medical Officer

    • Founding Partner, gpSolutions, Adelaide's leading medical deputising service prior to its merger with 13SICK. National Home Doctor
    • 23 years' experience in medical deputising
    • National Representative on various infection control and sterilization committees, including the National Infection Control Guidelines Steering Committee
  • Dr Bernd Lorenzen

    Dr Bernd Lorenzen

    MB,BS, DRANZCOG 

    Medical Director - SA

    • General Practitioner with small practice in Kensington Park, Adelaide, SA
    • Continuing interest in bariatric medicine and work with bariatric surgeons
    • Past Chairman of RACGP SA and NT faculty and past federal councillor RACGP, with subsequent involvement in development of Regional Training Programs
    • Previously served with hospital Clinical Privileges committees and  SA Health Clinical Privileges Committees 

  • Dr Rajendra Prakash

    DSM, Dip Sports Med, FRACGP 

    Medical Director - QLD 

    • Medical educator for AMC bridging programme 2006-2014. RACGP examiner since 2006
    • Visiting Medical Officer - Queensland Health. Member - Service Improvement Group for Kilcoy hospital and Woodford correctional health
    • Active role in induction of new deputising GPs, supervision of DGPs , promoting ongoing education, conducting CPD activities, clinical reviews and audits
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