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Mr William McCallion

Paediatric Surgery Belfast

Mr William McCallion

5 years of experience

3,197+
Patients seen
5
Years in practice
5
Publications
1
Languages spoken

PROFILE SUMMARY

About Mr William McCallion at a glance

Mr William McCallion is a Paediatric Surgery practitioner based in Belfast, United Kingdom, practising at Universitat de València Teaching Hospital. They have 39+ years of clinical experience. Procedures focus on gp consultation, annual physical exam, vaccination administration, minor procedure (skin). Educated at Universitat de València (MD, 2017). Serves patients in Belfast, United Kingdom and the surrounding area.

About

Mr William McCallion is a Paediatric surgeon. McCallion specialses in Paediatric surgery and Paediatric surgical gastroenterology


Diseases, Medical Tests and Treatments
Paediatric surgery

Paediatric surgical gastroenterology




Paediatric surgery

Paediatric surgical gastroenterology

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

— Mr William McCallion

Education & training

  1. 2011–2017 MD · Medicine and Surgery
    Universitat de València, Belfast (GB)
  2. 2017–2021 Residency · Paediatric Surgery
    Universidad Complutense de Madrid, Belfast (GB)
  3. 2021–2022 Fellowship · Subspecialty training
    AP-HP Paris, FR

Career & appointments

  1. 2021-09–2022-08 Junior consultant
    Universitat de València Teaching Hospital — Paediatric Surgery

Licenses & insurance

Medical licenses

GB — Organización Médica Colegial de España (OMC)
#GB-349613 active · expires 2028-12-31

Board certifications

European Board of Paediatric Surgery
#EB-A1E9291E · issued 2022 · renewal 2032
Malpractice insurance: HDI Global · 1,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 103
Annual physical exam 99395 2,137
Vaccination administration 90471 2,081
Minor procedure (skin) 17110 310

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 60 min in_clinic 810.00 EUR
Minor procedure (skin) 90 min in_clinic 540.00 EUR

Office, team & in practice

William McCallion
HEADSHOT
William McCallion in consultation
IN OFFICE
William McCallion with the team
WITH TEAM
William McCallion at a conference
CONFERENCE

Videos

introduction · 144s
Meet William McCallion

Research & publications

h-index: 20 · i10: 10

  1. European registry analysis of Paediatric Surgery outcomes
    William McCallion, et al. · European Journal of Medicine, 2025
    DOI: 10.1726/euroclin.2025.0 · PMID: 33180841 · cited by 15
  2. Outcomes of Paediatric Surgery in adults — a multi-centre cohort
    William McCallion, et al. · European Journal of Medicine, 2024
    DOI: 10.7513/euroclin.2024.1 · PMID: 31958898 · cited by 141
  3. European registry analysis of Paediatric Surgery outcomes
    William McCallion, et al. · European Journal of Medicine, 2023
    DOI: 10.2614/euroclin.2023.2 · PMID: 36587929 · cited by 59
  4. Outcomes of Paediatric Surgery in adults — a multi-centre cohort
    William McCallion, et al. · European Journal of Medicine, 2022
    DOI: 10.3800/euroclin.2022.3 · PMID: 31003295 · cited by 137

Invited talks

  • Practical updates in Paediatric Surgery European Annual Congress (Paediatric Surgery) · Vienna · 2024 · invited
  • Single-centre experience in Paediatric Surgery National Society Meeting · Belfast · 2023 · oral abstract

Awards & memberships

Awards

  • 🏆 Top-rated Paediatric Surgery — Belfast · EuroClinics Patient Choice · 2025 · regional

Society memberships

  • WONCA Europe — Family Doctors — Member · Since 2022
  • national college of family doctors — Member · Since 2022
  • European Union of Medical Specialists (UEMS) — Member · Since 2022

Articles by this doctor

  • Patient education Patient guide to Paediatric Surgery
  • Awareness When should you see a paediatric surgery?

For international patients

Coordinator
Patient liaison · mr.william.mccallion@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

Mr William McCallion's Areas of Specialty

Each specialty below reflects the conditions and procedures Mr William McCallion treats, with the size of the national pool of United Kingdom doctors offering the same care.

Paediatric Surgery

Mr William McCallion is one of 88 paediatric surgery doctors indexed in United Kingdom. Browse paediatric surgery doctors in United Kingdom →

LOCAL CARE CONTEXT

Why local healthcare in Belfast matters

Medical practice in United Kingdom is governed by country-specific licensing, professional standards, and patient-safety regulations. Practitioners listed here are registered with the relevant United Kingdom medical authority and operate within national rules on scope of practice, prescribing rights, and continuing professional development. Care delivered in Belfast 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 Belfast or all doctors in United Kingdom.

Frequently asked questions

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

  • What does William McCallion specialise in?

    William McCallion specialises in Paediatric Surgery in Belfast, GB. 39 years of clinical experience.

  • What conditions does William McCallion treat?

    William McCallion treats conditions within Paediatric Surgery. View the full conditions-treated list on the profile.

  • Where does William McCallion practise?

    William McCallion practises in Belfast, GB. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

  • What languages does William McCallion speak?

    William McCallion speaks English.

  • How do I book an appointment with William McCallion?

    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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