Helping to Build a Healthy Community.
Please note our phone lines open
at 9.00am every morning.
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We would like to wish you and your family a Healthy & Happy 2026.
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Winter Respiratory & Acute Clinics
From 8 December 2025 to 15 February 2026, our practice will be running
extra Respiratory & Acute Clinics
to help manage the busy winter period.
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About the Clinics:
These clinics are for patients with:
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Coughs, colds, flu-like symptoms
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Breathing issues
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Other urgent, short-term illnesses​
When the Clinics Run:
Appointments will take place outside normal surgery hours.
Our clinics will run on Wednesdays only at the following times:
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7am – 9am Wednesday Dec 31st 2025
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8am – 9am Wednesday Jan 7th 2026 - Wednesday Feb 11th 2026 incl
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6pm - 7pm Wednesday Jan 7th 2026 - Wednesday Feb 11th 2026 incl
How to Book:
Please contact reception as usual. We will do our best to offer an appointment in the next available clinic.
Important
Only one issue per patient will be addressed in these appointments
These clinics are not for routine or long-term health issues.
Regular appointments continue as normal.
Thank you for your understanding and co-operation during the busy winter months.
COVID-19 Precautions
If you are attending the practice please ensure to wear a mask, as our practice is a healthcare setting.
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If you have symptoms of COVID-19, please take an antigen test before attending the practice.
If your test is positive we can offer a telephone consultation as an alternative.
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Click here for HSE information on COVID-19.
Doctor Visit Cards
As you may be aware in 2023 the government announced the expansion of free GP care to all children under the age of 8 and and to households earning below the new median income threshold.
Eligible current practice patients can now apply as follows:
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If your child is aged 6 or 7, you can apply online for a Doctor Visit Card.
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If your household earns below the median income (€47,000 per year after deductibles) you can apply online for a Doctor Visit Card.
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When making an application, please quote panel number 53792 for Dr John O Brien.
A Little Bit About
Castleknock Medical Centre
Castleknock Medical Centre is located at 1 Auburn Drive, Castleknock, Dublin 15. We provide a full range of GP services delivered by our Doctors, Nurses and Phlebotomist.
We are a teaching practice with a strong interest in medical education. Our aim is to provide a comprehensive range of services in a caring and empathic fashion.
The Surgery is open from 8am to 5.30pm. All consultations are by appointment only. Our telephone lines are open from 9.00-12.00 and 14.00 - 16.30.
Our doctors participate in the Dublin Doctor out of hours service, North DOC. This operates for the hours the surgery is closed & can be contacted at 0818 224476.
New Patients
Thank you for your interest in joining the practice.
​Our lists are regularly reviewed for capacity.
Contact Us
For requests such as repeat prescriptions, illness certificates, doctor letters/forms and test results, see Online Services. If you need urgent medical attention, please call us, as emails may not be read immediately.
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Clinical queries should not be submitted via email, text or any of the forms on this website as they may not be addressed in a timely manner.
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Phone numbers & email addresses are found at the bottom of all pages.
Opening Hours
Surgery:
Monday-Friday: 08.00-17.30
Closed for lunch: 13.00-14.00
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Phone for Appointment:
Monday-Friday: 09.00-12.00
Monday-Friday: 14.00-16.30
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Weekends & Bank Holidays: Closed