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Dr John O'Callaghan

Radiology / Imaging Dublin

Dr John O'Callaghan

9 years of experience

8,431+
Patients seen
9
Years in practice
7
Publications
1
Languages spoken

PROFILE SUMMARY

About Dr John O'Callaghan at a glance

Dr John O'Callaghan is a Radiology / Imaging practitioner based in Dublin, Ireland, practising at University College Dublin (UCD) Teaching Hospital. Procedures focus on gp consultation, annual physical exam, vaccination administration, minor procedure (skin). Educated at University College Dublin (UCD) (MD, 2013). Serves patients in Dublin, Ireland and the surrounding area.

About

Dr John O'Callaghan is a highly specialised radiologist. The doctor's expertise lies in diagnosing and treating a variety of conditions using advanced imaging techniques. Dr O'Callaghan is dedicated to providing patients with the highest quality of care and is committed to staying at the forefront of their field.

“Evidence-based care tailored to each patient — taking the time to explain options and shared decisions.”

— Dr John O'Callaghan

Education & training

  1. 2007–2013 MD · Medicine and Surgery
    University College Dublin (UCD), Dublin (IE)
  2. 2013–2017 Residency · Radiology / Imaging
    University College Dublin (UCD), Dublin (IE)

Career & appointments

  1. 2017-09–2018-08 Junior consultant
    University College Dublin (UCD) Teaching Hospital — Radiology / Imaging

Licenses & insurance

Medical licenses

IE — Medical Council of Ireland
#IE-48284 active · expires 2028-12-31

Board certifications

European Board of Radiology / Imaging
#EB-A0C02368 · issued 2018 · renewal 2028
Malpractice insurance: Generali Healthcare · 4,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 2,782
Annual physical exam 99395 2,232
Vaccination administration 90471 1,168
Minor procedure (skin) 17110 1,423

Services & pricing

ServiceDurationModalityPrice
New patient consultation (60m) 60 min in_clinic|telemed 180.00 EUR
Follow-up consultation (30m) 30 min in_clinic|telemed|phone 90.00 EUR
Vaccination administration 120 min in_clinic 540.00 EUR
Minor procedure (skin) 30 min in_clinic 810.00 EUR

Office, team & in practice

John O'Callaghan in consultation
IN OFFICE
John O'Callaghan with the team
WITH TEAM
John O'Callaghan at a conference
CONFERENCE

Videos

introduction · 136s
Meet John O'Callaghan

Research & publications

h-index: 4 · i10: 9

  1. Validation of clinical scoring in Radiology / Imaging
    John O'Callaghan, et al. · European Journal of Medicine, 2026
    DOI: 10.9362/euroclin.2026.0 · PMID: 37607339 · cited by 182
  2. Long-term follow-up of Radiology / Imaging across IE
    John O'Callaghan, et al. · European Journal of Medicine, 2025
    DOI: 10.4720/euroclin.2025.1 · PMID: 39359119 · cited by 156
  3. Validation of clinical scoring in Radiology / Imaging
    John O'Callaghan, et al. · European Journal of Medicine, 2024
    DOI: 10.6758/euroclin.2024.2 · PMID: 30356506 · cited by 42
  4. Long-term follow-up of Radiology / Imaging across IE
    John O'Callaghan, et al. · European Journal of Medicine, 2023
    DOI: 10.9720/euroclin.2023.3 · PMID: 32060292 · cited by 128

Invited talks

  • Practical updates in Radiology / Imaging European Annual Congress (Radiology / Imaging) · Vienna · 2024 · invited
  • Single-centre experience in Radiology / Imaging National Society Meeting · Dublin · 2023 · oral abstract

Awards & memberships

Awards

  • 🏆 Top-rated Radiology / Imaging — Dublin · EuroClinics Patient Choice · 2025 · regional

Society memberships

  • WONCA Europe — Family Doctors — Member · Since 2018
  • national college of family doctors — Member · Since 2018
  • European Union of Medical Specialists (UEMS) — Member · Since 2018

Articles by this doctor

  • Patient education Patient guide to Radiology / Imaging
  • Awareness When should you see a radiology / imaging?

For international patients

Coordinator
Patient liaison · john.ocallaghan@euroclinics.example

Location

1 tag

Patient reviews

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Recent reviews

  • ★★★★★ ✓ Verified
    Very thorough first visit — explained every step. Booking was easy and the staff were welcoming.
    Anna B.
  • ★★★★★ ✓ Verified
    Took time to listen and reviewed all my previous results. I would absolutely recommend.
    Marco V.
  • ★★★★☆ ✓ Verified
    Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent.
    Helena F.

SPECIALTIES & PROCEDURES

Dr John O'Callaghan's Areas of Specialty

Each specialty below reflects the conditions and procedures Dr John O'Callaghan treats, with the size of the national pool of Ireland doctors offering the same care.

Radiology / Imaging

Dr John O'Callaghan is one of 288 radiology / imaging doctors indexed in Ireland. Browse radiology / imaging doctors in Ireland →

LOCAL CARE CONTEXT

Why local healthcare in Dublin matters

Medical practice in Ireland is governed by country-specific licensing, professional standards, and patient-safety regulations. Practitioners listed here are registered with the relevant Ireland medical authority and operate within national rules on scope of practice, prescribing rights, and continuing professional development. Care delivered in Dublin carries the additional benefits of local language support, in-person follow-up, and direct coordination with regional hospitals and labs. A verified profile means EuroClinics has cross-checked the practitioner or clinic against an official source (national medical register, public licence database, or the practitioner themselves), and that the data shown here matches that source as of the last verification date above.

Looking for additional providers? all doctors in Dublin or all doctors in Ireland.

Frequently asked questions

Quick answers to the questions patients ask most. The same answers are surfaced to AI assistants via structured data.

  • What does John O'Callaghan specialise in?

    John O'Callaghan specialises in Radiology / Imaging in Dublin, IE.

  • What conditions does John O'Callaghan treat?

    John O'Callaghan treats conditions within Radiology / Imaging. View the full conditions-treated list on the profile.

  • Where does John O'Callaghan practise?

    John O'Callaghan practises in Dublin, IE. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

  • What languages does John O'Callaghan speak?

    John O'Callaghan speaks English.

  • How do I book an appointment with John O'Callaghan?

    Use the "Request a booking" button on the profile to send an appointment request. Most appointments are confirmed within 24 hours; many slots are bookable instantly.

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