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Mr Nikolaos Mamas

Ophthalmology Watford

Mr Nikolaos Mamas

13 years of experience

12,519+
Patients seen
13
Years in practice
15
Publications
4
Languages spoken

PROFILE SUMMARY

About Mr Nikolaos Mamas at a glance

Mr Nikolaos Mamas is an Ophthalmology practitioner based in Watford, United Kingdom, practising at Universitat de Barcelona Teaching Hospital. They have 16+ years of clinical experience. Procedures focus on gp consultation, annual physical exam, vaccination administration, minor procedure (skin). Educated at Universitat de Barcelona (MD, 2009). Serves patients in Watford, United Kingdom and the surrounding area.

About

Mr. Nikolaos Mamas is a highly accomplished Consultant Ophthalmic Surgeon with extensive expertise in Cataract surgery, vitreoretinal surgery, and medical retina. He brings over 15 years of specialist experience in Ophthalmology and is known for his patient-centred approach, clinical precision, and commitment to excellence.

Mr. Mamas completed his medical degree at the University of Athens before undertaking specialist Ophthalmology training and earning a PhD from RWTH Aachen University in Germany. His advanced sub-specialty training took place at the world-renowned Moorfields Eye Hospital in London, where he spent six years refining his surgical and clinical skills.

In his clinical practice, Mr. Mamas specialises in Cataract surgery and offers a wide range of premium intraocular lens options designed to help patients achieve spectacle independence. He is also highly experienced in managing a variety of retina conditions, including epiretinal membranes, macular holes, age-related macular degeneration, diabetic retinopathy, and retinal vein occlusions.

Respected for his warm and approachable manner, Mr. Mamas is deeply committed to his patients' well-being and offers round-the-clock support for post-operative care. In addition to his clinical work, he is a dedicated researcher and educator. His doctoral research investigated the relationship between glaucoma and vitreoretinal surgery, and he has contributed to numerous peer-reviewed publications and clinical trials. He is also recognised for his mentorship of junior doctors, receiving outstanding feedback for his role in training future ophthalmologists at Moorfields Eye Hospital.

Mr. Mamas practises at multiple locations, including Basingstoke, Ilford, New Cross, Slough, Stevenage, Wandsworth, and Watford.

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

— Mr Nikolaos Mamas

Education & training

  1. 2003–2009 MD · Medicine and Surgery
    Universitat de Barcelona, Watford (GB)
  2. 2009–2013 Residency · Ophthalmology
    Universitat de Barcelona, Watford (GB)

Career & appointments

  1. 2013-09–2014-08 Junior consultant
    Universitat de Barcelona Teaching Hospital — Ophthalmology

Licenses & insurance

Medical licenses

GB — Organización Médica Colegial de España (OMC)
#GB-572706 active · expires 2028-12-31

Board certifications

European Board of Ophthalmology
#EB-862066EF · issued 2014 · renewal 2024
Malpractice insurance: Allianz Professional · 3,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 2,402
Annual physical exam 99395 1,780
Vaccination administration 90471 372
Minor procedure (skin) 17110 1,251

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 450.00 EUR
Minor procedure (skin) 30 min in_clinic 180.00 EUR

Office, team & in practice

Nikolaos Mamas
HEADSHOT
Nikolaos Mamas in consultation
IN OFFICE
Nikolaos Mamas with the team
WITH TEAM
Nikolaos Mamas at a conference
CONFERENCE

Videos

introduction · 92s
Meet Nikolaos Mamas

Research & publications

h-index: 12 · i10: 13

  1. Validation of clinical scoring in Ophthalmology
    Nikolaos Mamas, et al. · European Journal of Medicine, 2026
    DOI: 10.2593/euroclin.2026.0 · PMID: 30723095 · cited by 170
  2. Long-term follow-up of Ophthalmology across GB
    Nikolaos Mamas, et al. · European Journal of Medicine, 2025
    DOI: 10.9517/euroclin.2025.1 · PMID: 39968985 · cited by 16
  3. Validation of clinical scoring in Ophthalmology
    Nikolaos Mamas, et al. · European Journal of Medicine, 2024
    DOI: 10.5008/euroclin.2024.2 · PMID: 39541454 · cited by 78
  4. Long-term follow-up of Ophthalmology across GB
    Nikolaos Mamas, et al. · European Journal of Medicine, 2023
    DOI: 10.8827/euroclin.2023.3 · PMID: 33473050 · cited by 68

Invited talks

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

Awards & memberships

Awards

  • 🏆 Top-rated Ophthalmology — Watford · EuroClinics Patient Choice · 2025 · regional

Society memberships

  • WONCA Europe — Family Doctors — Member · Since 2014
  • national college of family doctors — Member · Since 2014
  • European Union of Medical Specialists (UEMS) — Member · Since 2014

Articles by this doctor

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

For international patients

Coordinator
Patient liaison · nikolaos.mamas@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 Nikolaos Mamas's Areas of Specialty

Each specialty below reflects the conditions and procedures Mr Nikolaos Mamas 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 Nikolaos Mamas is one of 1,382 ophthalmology doctors indexed in United Kingdom. Browse ophthalmology doctors in United Kingdom →

LOCAL CARE CONTEXT

Why local healthcare in Watford 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 Watford 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 Watford 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 Nikolaos Mamas specialise in?

    Nikolaos Mamas specialises in Ophthalmology in Watford, GB. 16 years of clinical experience.

  • What conditions does Nikolaos Mamas treat?

    Nikolaos Mamas treats conditions within Ophthalmology. View the full conditions-treated list on the profile.

  • Where does Nikolaos Mamas practise?

    Nikolaos Mamas practises in Watford, GB. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

  • What languages does Nikolaos Mamas speak?

    Nikolaos Mamas speaks English, French, German, Greek.

  • How do I book an appointment with Nikolaos Mamas?

    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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