Experts in Medical Care

About Us

Opened since 2010, we are a family orientated practice committed to giving the best possible care to our patients. Excellence in medical care is our priority through anticipating and responding to the medical needs of our patients in a professional, consultative & efficient manner.

Meet Our Team:

Dr Sean O’Callaghan

IMC No. 22271

Sean graduated with a Medical Degree from RCSI in 1998. He obtained his Membership of the Irish College of General Practitioners in 2004 and is on the Specialist Register of the Irish Medical Council. His Interests are:

  • General Practice Medicine
  • Paediatrics (Children’s health)
  • Occupational Health
  • Medicine for the Elderly
  • Travel Health/Medicine
  • Minor Surgery
  • Men’s Health/ Women’s Health
  • Contraception/ Family Planning
  • Preventative Health…smoking cessation etc (Lifestyle advice)
  • Mental Health

Sean is committed to the next generation of doctors. He is involved in teaching undergraduate Medical Students from both Trinity College and the RCSI. Although a proud Tipperary Man, he is married to a girl from Dublin and they have 2 beautiful daughters. A keen Munster Rugby supporter, he is happy to be in partnership with a fellow GP, Dr. Mark O Sullivan, who happens to be a Leinster Rugby supporter.



Dr Mark O’Sullivan

IMC No. 22518

Mark graduated from University College Dublin in 1998 and has been working in general practice for the last nine years. He has a broad background in medicine, obstetrics & women’s health, paediatrics and psychiatry. He is a member of both the Irish & English Colleges of General Practice and registered as a Specialist in General Practice with the Irish Medical Council. He has postgraduate qualifications in each of his particular areas of interest, including:

  • Dermatology
  • Paediatrics
  • Family Planning
  • Minor Surgery
  • Medicine for the Elderly
  • Palliative Care

Mark has a strong background in preventative medicine and a keen interest in ongoing medical education.Mark is married with three small children, who have seemingly endless energy and delight in taking up most of his spare time. What time is left is spent either adding to his ever-expanding music collection or at the RDS supporting Leinster Rugby.



Rachel Byrne

Practice Manager

Rachel joined Grange Road Family Practice in April 2016 as a practice secretary, having spent the previous five years working in General Practice administration and assistant management. Rachel completed the ICGP Medical Staff course in 2015, and has just completed a diploma in Practice Management with the ICGP. Rachel is heavily involved in the day to day running of the practice and provides an invaluable supportive role to the GP partners.


Betty Kiernan

Medical Receptionist/Secretary

Betty joined the team in February 2015. She comes to us from an Accounting/Administrative background and has completed a FÁS Medical Secretarial Traineeship. Betty is a very valuable member of our team.