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Mr John Yianni

Verified Neurosurgery Sheffield

Mr John Yianni

11 years of experience 5.0 (1 verified reviews)

6,716+
Patients seen
11
Years in practice
7
Publications
1
Languages spoken

PROFILE SUMMARY

About Mr John Yianni at a glance

Mr John Yianni is a Neurosurgery practitioner based in Sheffield, United Kingdom, practising at Universidad de Sevilla Teaching Hospital. They have 30+ years of clinical experience. Procedures focus on gp consultation, annual physical exam, vaccination administration, minor procedure (skin). Educated at Universidad de Sevilla (MD, 2011). Serves patients in Sheffield, United Kingdom and the surrounding area.

About

Mr John Yianni is a highly experienced Consultant Neurosurgeon based in Sheffield who specialises in functional neurosurgery and Gamma Knife surgery, including stereotactic radiosurgery and stereotactic radiotherapy using Gamma Knife.
In addition to all aspects of neurosurgery, he is also an expert in the diagnosis and treatment of neurological-related disorders, such as dystonia, tremor and Parkinson’s disease, and has extensive experience with statistical package for the social sciences (SPSS) for complex analysis. Alongside his NHS work at Sheffield Teaching Hospital, Mr Yianni currently sees patients at the widely-acclaimed Thornbury Radiosurgery Centre.
Mr Yianni qualified from University College London in 1996, having become a member of the Royal College of Surgeons in 1992. He undertook his basic surgical training in Oxford and then went on to work as a clinical research fellow in neurosurgery with interest in stereotactic functional neurosurgery from 2001 to 2004 and was awarded a doctorate for his thesis. He acquired invaluable experience in this field as well as in framed and frameless stereotaxy.
He was later appointed a specialist neurosurgical trainee in neurosurgery from 2004 to 2009 and it was during this time that Mr Yianni became a fellow of the Royal College of Surgeons. He then worked as a fellow in stereotactic radiosurgery and functional neurosurgery and subsequently appointed as a consultant in 2011. With a specialist interest in stereotactic Gamma knife radiosurgery and stereotactic functional neurosurgery, Mr Yianni joined Thornbury Radiosurgery Centre, renowned for its high level of expertise in Gamma knife surgery.
Besides his neurosurgery practice, Mr Yianni holds an interest in research and regularly publishes his academic work in scientific peer-reviewed journals. He is also the Neurosurgery Theme Lead at Sheffield Clinical Research and Innovation Office.
Areas of expertise: Gamma Knife Radiosurgery, Movement disorders, Brain tumour, Neuro-oncology, Parkinson's disease, Skull base surgery.

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

— Mr John Yianni

Education & training

  1. 2005–2011 MD · Medicine and Surgery
    Universidad de Sevilla, Sheffield (GB)
  2. 2011–2015 Residency · Neurosurgery
    Universitat de Barcelona, Sheffield (GB)

Career & appointments

  1. 2015-09–2016-08 Junior consultant
    Universidad de Sevilla Teaching Hospital — Neurosurgery

Licenses & insurance

Medical licenses

GB — Organización Médica Colegial de España (OMC)
#GB-352911 active · expires 2028-12-31

Board certifications

European Board of Neurosurgery
#EB-DA34B94C · issued 2016 · renewal 2026
Malpractice insurance: AXA Healthcare Liability · 5,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 1,341
Annual physical exam 99395 1,075
Vaccination administration 90471 2,763
Minor procedure (skin) 17110 2,412

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 30 min in_clinic 540.00 EUR
Minor procedure (skin) 120 min in_clinic 810.00 EUR

Office, team & in practice

John Yianni
HEADSHOT
John Yianni in consultation
IN OFFICE
John Yianni with the team
WITH TEAM
John Yianni at a conference
CONFERENCE

Videos

introduction · 77s
Meet John Yianni

Research & publications

h-index: 4 · i10: 13

  1. Long-term follow-up of Neurosurgery across GB
    John Yianni, et al. · European Journal of Medicine, 2026
    DOI: 10.2834/euroclin.2026.0 · PMID: 37341595 · cited by 165
  2. Validation of clinical scoring in Neurosurgery
    John Yianni, et al. · European Journal of Medicine, 2025
    DOI: 10.8751/euroclin.2025.1 · PMID: 31738628 · cited by 151
  3. Long-term follow-up of Neurosurgery across GB
    John Yianni, et al. · European Journal of Medicine, 2024
    DOI: 10.2783/euroclin.2024.2 · PMID: 38050426 · cited by 193

Invited talks

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

Awards & memberships

Awards

  • 🏆 Top-rated Neurosurgery — Sheffield · EuroClinics Patient Choice · 2025 · regional
  • 🏆 Excellence in Patient Care · National Society · 2024 · national
  • 🏆 Young Investigator Award · European Society · 2023 · international

Society memberships

  • WONCA Europe — Family Doctors — Member · Since 2016
  • national college of family doctors — Member · Since 2016
  • European Union of Medical Specialists (UEMS) — Member · Since 2016

Articles by this doctor

  • Patient education Patient guide to Neurosurgery
  • Awareness When should you see a neurosurgery?

For international patients

Coordinator
Patient liaison · john.yianni@euroclinics.example
Accepted international insurance
Allianz Worldwide · AXA Global · BUPA Global · Cigna Global

Location

1 tag

Patient reviews

1 verified reviews
5.00
★★★★★
1 review
5★ 2
4★ 1
3★ 0
2★ 0
1★ 0
Bedside Manner
5.0
Knowledge
5.0
Wait Time
4.8
Staff Friendliness
5.0
Ease Of Appointment
4.9
Value For Money
4.9
Would Recommend Pct
99.0
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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 John Yianni's Areas of Specialty

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

Neurosurgery

Mr John Yianni is one of 254 neurosurgery doctors indexed in United Kingdom. Browse neurosurgery doctors in United Kingdom →

LOCAL CARE CONTEXT

Why local healthcare in Sheffield 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 Sheffield 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 Sheffield 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 John Yianni specialise in?

    John Yianni specialises in Neurosurgery in Sheffield, GB. 30 years of clinical experience.

  • What conditions does John Yianni treat?

    John Yianni treats conditions within Neurosurgery. View the full conditions-treated list on the profile.

  • Where does John Yianni practise?

    John Yianni practises in Sheffield, GB. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

  • What languages does John Yianni speak?

    John Yianni speaks English.

  • How do I book an appointment with John Yianni?

    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.

  • What do patients say about John Yianni?

    John Yianni has a verified rating of 5/5 from 1 patient reviews. Read the most recent reviews on the profile page.

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