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Dr. Diarmaid Ó Lonargáin

Verified Psychology Celbridge

Dr. Diarmaid Ó Lonargáin

5 years of experience 5.0 (10 verified reviews)

6,795+
Patients seen
5
Years in practice
5
Publications
1
Languages spoken

PROFILE SUMMARY

About Dr. Diarmaid Ó Lonargáin at a glance

Dr. Diarmaid Ó Lonargáin is a Psychology practitioner based in Celbridge, Ireland, practising at NUI Galway Teaching Hospital. They have 12+ years of clinical experience. Procedures focus on gp consultation, annual physical exam, vaccination administration, minor procedure (skin). Educated at NUI Galway (MD, 2017). Serves patients in Celbridge, Ireland and the surrounding area.

About

Dr Diarmaid Ó Lonargáin is a Clinical Psychologist currently practising at Hawthorn Psychology. He completed his Doctorate in Clinical Psychology at Lancaster University in 2014 and has extensive experience working across both public and private healthcare settings.
Diarmaid has worked with a range of multidisciplinary teams within the Health Service Executive (HSE), including Rehabilitation Mental Health Services and Adult Mental Health Services. Most recently, he held the role of Senior Clinical Psychologist with a Children’s Disability Network Team, where autism assessment and intervention formed a central part of his work. In this role, Diarmaid conducted comprehensive autism assessments for children as part of a multidisciplinary team and provided therapeutic support to autistic adolescents and their families.
Alongside his public sector experience, Diarmaid has significant expertise in delivering multidisciplinary autism assessments within the private sector, having worked with two established private services before founding his own practice in 2022.
In his therapeutic work, Diarmaid draws on a range of evidence-based models, including Cognitive Behavioural Therapy (CBT), Cognitive Analytic Therapy (CAT), Dialectical Behaviour Therapy (DBT), Compassion Focused Therapy (CFT), and behavioural approaches. His integrative style allows him to tailor therapy to the individual needs of each client, supporting meaningful and sustainable change.

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

— Dr. Diarmaid Ó Lonargáin

Education & training

  1. 2011–2017 MD · Medicine and Surgery
    NUI Galway, Celbridge (IE)
  2. 2017–2021 Residency · Psychology
    Trinity College Dublin (TCD), Celbridge (IE)
  3. 2021–2022 Fellowship · Subspecialty training
    Royal Marsden London, UK

Career & appointments

  1. 2021-09–2022-08 Junior consultant
    NUI Galway Teaching Hospital — Psychology

Licenses & insurance

Medical licenses

IE — Medical Council of Ireland
#IE-663856 active · expires 2028-12-31

Board certifications

European Board of Psychology
#EB-A0098850 · issued 2022 · renewal 2032
Malpractice insurance: HDI Global · 3,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 1,777
Annual physical exam 99395 71
Vaccination administration 90471 2,231
Minor procedure (skin) 17110 1,832

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 90 min in_clinic 360.00 EUR
Minor procedure (skin) 60 min in_clinic 270.00 EUR

Office, team & in practice

Diarmaid Ó Lonargáin
HEADSHOT
Diarmaid Ó Lonargáin in consultation
IN OFFICE
Diarmaid Ó Lonargáin with the team
WITH TEAM
Diarmaid Ó Lonargáin at a conference
CONFERENCE

Videos

introduction · 138s
Meet Diarmaid Ó Lonargáin

Research & publications

h-index: 10 · i10: 3

  1. European registry analysis of Psychology outcomes
    Diarmaid Ó Lonargáin, et al. · European Journal of Medicine, 2025
    DOI: 10.2046/euroclin.2025.0 · PMID: 36059439 · cited by 169
  2. Outcomes of Psychology in adults — a multi-centre cohort
    Diarmaid Ó Lonargáin, et al. · European Journal of Medicine, 2024
    DOI: 10.5050/euroclin.2024.1 · PMID: 30375807 · cited by 75

Invited talks

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

Awards & memberships

Awards

  • 🏆 Top-rated Psychology — Celbridge · EuroClinics Patient Choice · 2025 · regional
  • 🏆 Excellence in Patient Care · National Society · 2024 · national

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 Psychology
  • Awareness When should you see a psychology?

For international patients

Coordinator
Patient liaison · diarmaid.o.lonargain@euroclinics.example
Accepted international insurance
Allianz Worldwide · AXA Global · BUPA Global · Cigna Global

Location

1 tag

Patient reviews

10 verified reviews
5.00
★★★★★
10 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

Dr. Diarmaid Ó Lonargáin's Areas of Specialty

Each specialty below reflects the conditions and procedures Dr. Diarmaid Ó Lonargáin treats, with the size of the national pool of Ireland doctors offering the same care.

Psychology

Dr. Diarmaid Ó Lonargáin is one of 22 psychology doctors indexed in Ireland. Browse psychology doctors in Ireland →

LOCAL CARE CONTEXT

Why local healthcare in Celbridge matters

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

Frequently asked questions

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

  • What does Diarmaid Ó Lonargáin specialise in?

    Diarmaid Ó Lonargáin specialises in Psychology in Celbridge, IE. 12 years of clinical experience.

  • What conditions does Diarmaid Ó Lonargáin treat?

    Diarmaid Ó Lonargáin treats conditions within Psychology. View the full conditions-treated list on the profile.

  • Where does Diarmaid Ó Lonargáin practise?

    Diarmaid Ó Lonargáin practises in Celbridge, IE. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

  • What languages does Diarmaid Ó Lonargáin speak?

    Diarmaid Ó Lonargáin speaks English.

  • How do I book an appointment with Diarmaid Ó Lonargáin?

    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 Diarmaid Ó Lonargáin?

    Diarmaid Ó Lonargáin has a verified rating of 5/5 from 10 patient reviews. Read the most recent reviews on the profile page.

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