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Mr Marcus Posner

Verified Ophthalmology London

Mr Marcus Posner

16 years of experience 5.0 (2 verified reviews)

12,904+
Patients seen
16
Years in practice
4
Publications
2
Languages spoken

PROFILE SUMMARY

About Mr Marcus Posner at a glance

Mr Marcus Posner is an Ophthalmology practitioner based in London, United Kingdom, practising at Universitat de Barcelona Teaching Hospital. They have 18+ years of clinical experience. Procedures focus on gp consultation, annual physical exam, vaccination administration, minor procedure (skin). Educated at Universitat de Barcelona (MD, 2006). Serves patients in London, United Kingdom and the surrounding area.

About

Mr Marcus Posner is a consultant ophthalmologist and ophthalmic surgeon practicing at Queens Hospital, London Medical, Cromwell Hospital, St John and St Elizabeth Hospital, and Sydney Street Outpatient Centre.
His clinical practice covers a wide range of adult and paediatric eye conditions, with particular expertise in examining and managing patients with learning difficulties, including dyslexia and autism. In children, he treats squint, amblyopia (lazy eye), refractive errors, and various developmental and congenital eye conditions. His adult practice includes cataract surgery and lens replacement, adult squint surgery, and management of neuro-visual disorders such as optic neuritis, brain tumours, stroke, as well as common conditions like glaucoma, uveitis, and macular degeneration.
Mr Posner’s experience as a consultant in one of Europe’s busiest eye emergency units at Moorfields ensures that he stays up to date with the latest ophthalmic practices. He is also a surgical trainer and the regional undergraduate education lead for the Royal College of Ophthalmologists, actively contributing to the clinical and surgical education of regional trainees.
His research interests focus on myopia management in children, childhood eye tumours, and improving ocular healthcare in sub-Saharan Africa.

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

— Mr Marcus Posner

Education & training

  1. 2000–2006 MD · Medicine and Surgery
    Universitat de Barcelona, London (GB)
  2. 2006–2010 Residency · Ophthalmology
    UAB Barcelona, London (GB)
  3. 2010–2011 Fellowship · Subspecialty training
    AP-HP Paris, FR

Career & appointments

  1. 2010-09–2011-08 Junior consultant
    Universitat de Barcelona Teaching Hospital — Ophthalmology

Licenses & insurance

Medical licenses

GB — Organización Médica Colegial de España (OMC)
#GB-522329 active · expires 2028-12-31

Board certifications

European Board of Ophthalmology
#EB-5E6BFDBA · issued 2011 · renewal 2021
Malpractice insurance: HDI Global · 1,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 331
Annual physical exam 99395 1,157
Vaccination administration 90471 2,829
Minor procedure (skin) 17110 2,354

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 270.00 EUR
Minor procedure (skin) 90 min in_clinic 360.00 EUR

Office, team & in practice

Marcus Posner
HEADSHOT
Marcus Posner in consultation
IN OFFICE
Marcus Posner with the team
WITH TEAM
Marcus Posner at a conference
CONFERENCE

Videos

introduction · 141s
Meet Marcus Posner

Research & publications

h-index: 21 · i10: 16

  1. Outcomes of Ophthalmology in adults — a multi-centre cohort
    Marcus Posner, et al. · European Journal of Medicine, 2025
    DOI: 10.5500/euroclin.2025.0 · PMID: 39650480 · cited by 83
  2. European registry analysis of Ophthalmology outcomes
    Marcus Posner, et al. · European Journal of Medicine, 2024
    DOI: 10.5582/euroclin.2024.1 · PMID: 32515455 · cited by 17
  3. Outcomes of Ophthalmology in adults — a multi-centre cohort
    Marcus Posner, et al. · European Journal of Medicine, 2023
    DOI: 10.7050/euroclin.2023.2 · PMID: 32997140 · cited by 151
  4. European registry analysis of Ophthalmology outcomes
    Marcus Posner, et al. · European Journal of Medicine, 2022
    DOI: 10.9821/euroclin.2022.3 · PMID: 33588244 · cited by 189

Invited talks

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

Awards & memberships

Awards

  • 🏆 Top-rated Ophthalmology — London · 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 2011
  • national college of family doctors — Member · Since 2011
  • European Union of Medical Specialists (UEMS) — Member · Since 2011

Articles by this doctor

  • Patient education Patient guide to Ophthalmology
  • Awareness When should you see a ophthalmology?

For international patients

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

Location

1 tag

Patient reviews

2 verified reviews
5.00
★★★★★
2 reviews
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 Marcus Posner's Areas of Specialty

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

Ophthalmology

Eye care including refractive surgery, cataracts, glaucoma, retinal disease and paediatric vision.

Mr Marcus Posner is one of 1,382 ophthalmology doctors indexed in United Kingdom. Browse ophthalmology doctors in United Kingdom →

LOCAL CARE CONTEXT

Why local healthcare in London 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 London 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 London 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 Marcus Posner specialise in?

    Marcus Posner specialises in Ophthalmology in London, GB. 18 years of clinical experience.

  • What conditions does Marcus Posner treat?

    Marcus Posner treats conditions within Ophthalmology. View the full conditions-treated list on the profile.

  • Where does Marcus Posner practise?

    Marcus Posner practises in London, GB. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

  • What languages does Marcus Posner speak?

    Marcus Posner speaks English, Spanish.

  • How do I book an appointment with Marcus Posner?

    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 Marcus Posner?

    Marcus Posner has a verified rating of 5/5 from 2 patient reviews. Read the most recent reviews on the profile page.

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