Skip to main content
Dr. Tom Marrs

Verified Paediatrics London

Dr. Tom Marrs

7 years of experience 5.0 (240 verified reviews)

6,928+
Patients seen
7
Years in practice
12
Publications
1
Languages spoken

PROFILE SUMMARY

About Dr. Tom Marrs at a glance

Dr. Tom Marrs is a Paediatrics practitioner based in London, United Kingdom, practising at Universitat de València Teaching Hospital. They have 23+ years of clinical experience. Procedures focus on gp consultation, annual physical exam, vaccination administration, minor procedure (skin). Educated at Universitat de València (MD, 2015). Serves patients in London, United Kingdom and the surrounding area.

About

Dr Tom Marrs is Consultant Paediatrician specialising in Allergy and Clinical Immunology, with two decades of experience in the treatment of children's allergies. Dr Marrs is Chair of the Paediatric Allergy Committee for the British Society of Allergy and Clinical Immunology (BSACI). He leads the Allergy Prevention Service at Guy's and St. Thomas' Hospital and the Joint Allergy-Gastroenterology Service at Evelina London. He led the Scientific Programme for the BSACI Conference from 2018-2020. Dr Marrs sees private patients at OneWelbeck Marylebone, next to Bond Street, north of Oxford Street.

Dr Marrs graduated from Clare College, Cambridge University, in Medicine, Medical Ethics and Law. He completed his primary medical qualification in 2003 from St Barts and the Royal London Hospital, after taking specialist study at the Astrid Lindgren's Children's Hospital, Karolinska Hospital, as well as studying in Sri Lanka and Nepal. Dr Marrs then undertook his specialist paediatrics training at various renowned London hospitals including the Royal Brompton, Great Ormond Street and Guy's Hospital. Since completing his training, Dr Marrs was awarded his PhD in eczema, food allergy and the prevention of food allergies, and has been appointed Director of the Allergy Academy, King's College London, where he is also a Senior Honorary Lecturer with Adjunct.

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

— Dr. Tom Marrs

Education & training

  1. 2009–2015 MD · Medicine and Surgery
    Universitat de València, London (GB)
  2. 2015–2019 Residency · Paediatrics
    Universidad de Sevilla, London (GB)
  3. 2019–2020 Fellowship · Subspecialty training
    Mayo Clinic, US

Career & appointments

  1. 2019-09–2020-08 Junior consultant
    Universitat de València Teaching Hospital — Paediatrics

Licenses & insurance

Medical licenses

GB — Organización Médica Colegial de España (OMC)
#GB-691595 active · expires 2028-12-31

Board certifications

European Board of Paediatrics
#EB-AB672D31 · issued 2020 · renewal 2030
Malpractice insurance: Generali Healthcare · 5,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 1,615
Annual physical exam 99395 873
Vaccination administration 90471 1,793
Minor procedure (skin) 17110 1,734

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 450.00 EUR
Minor procedure (skin) 120 min in_clinic 180.00 EUR

Office, team & in practice

Tom Marrs
HEADSHOT
Tom Marrs in consultation
IN OFFICE
Tom Marrs with the team
WITH TEAM
Tom Marrs at a conference
CONFERENCE

Videos

introduction · 147s
Meet Tom Marrs

Research & publications

h-index: 21 · i10: 16

  1. Outcomes of Paediatrics in adults — a multi-centre cohort
    Tom Marrs, et al. · European Journal of Medicine, 2025
    DOI: 10.6463/euroclin.2025.0 · PMID: 37871961 · cited by 199
  2. European registry analysis of Paediatrics outcomes
    Tom Marrs, et al. · European Journal of Medicine, 2024
    DOI: 10.6255/euroclin.2024.1 · PMID: 35137841 · cited by 85
  3. Outcomes of Paediatrics in adults — a multi-centre cohort
    Tom Marrs, et al. · European Journal of Medicine, 2023
    DOI: 10.6917/euroclin.2023.2 · PMID: 36605086 · cited by 99
  4. European registry analysis of Paediatrics outcomes
    Tom Marrs, et al. · European Journal of Medicine, 2022
    DOI: 10.5540/euroclin.2022.3 · PMID: 38790697 · cited by 193

Invited talks

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

Awards & memberships

Awards

  • 🏆 Top-rated Paediatrics — 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 2020
  • national college of family doctors — Member · Since 2020
  • European Union of Medical Specialists (UEMS) — Member · Since 2020

Articles by this doctor

  • Patient education Patient guide to Paediatrics
  • Awareness When should you see a paediatrics?

For international patients

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

Location

1 tag

Patient reviews

240 verified reviews
4.96
★★★★⯨
240 reviews
5★ 2
4★ 1
3★ 0
2★ 0
1★ 0
Bedside Manner
5.0
Knowledge
5.0
Wait Time
4.7
Staff Friendliness
5.0
Ease Of Appointment
4.9
Value For Money
4.9
Would Recommend Pct
98.0
Share your experience — help other patients find the right doctor. Write a review →
20 – 4,000 characters

Submissions are moderated and may take 24-72 h to appear publicly. Identifying patient information should not be included.

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. Tom Marrs's Areas of Specialty

Each specialty below reflects the conditions and procedures Dr. Tom Marrs treats, with the size of the national pool of United Kingdom doctors offering the same care.

Paediatrics

Infant, child and adolescent health — growth, vaccinations, common childhood illnesses and developmental concerns.

Dr. Tom Marrs is one of 595 paediatrics doctors indexed in United Kingdom. Browse paediatrics 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 Tom Marrs specialise in?

    Tom Marrs specialises in Paediatrics in London, GB. 23 years of clinical experience.

  • What conditions does Tom Marrs treat?

    Tom Marrs treats conditions within Paediatrics. View the full conditions-treated list on the profile.

  • Where does Tom Marrs practise?

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

  • What languages does Tom Marrs speak?

    Tom Marrs speaks English.

  • How do I book an appointment with Tom Marrs?

    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 Tom Marrs?

    Tom Marrs has a verified rating of 4.96/5 from 240 patient reviews. Read the most recent reviews on the profile page.

Similar specialists

Browse all →