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The D4 Clinic

The D4 Clinic

(01) 907 9538

58 Newtownpark Ave, Blackrock, Dublin, A94P407Ireland

ServiceScore
Excellent
from 51 users
8.6
Filters cached at 2026/01/06 08:26:43

Opening hours

Monday09:00 - 21:00
Tuesday09:00 - 21:00
Wednesday09:00 - 21:00
Thursday09:00 - 21:00
Friday09:00 - 21:00
Saturday09:00 - 21:00
Sunday09:00 - 21:00
Enquire for a fast quote ★ Excellent ServiceScore™ 8.6 from 51 votes ★ 4 verified patient reviews. Visit our Holistic Health Clinic - 58 Newtownpark Ave, Blackrock, Dublin, A94P407, Ireland.

Popular Treatments

Hypnotherapy
Psychologist Consultation
See all treatments & prices

About The D4 Clinic

For over a decade The D4 Clinic has been Ireland's most successful Psychology and Hypnotherapy clinic with over 130 five star Google reviews. 

Our goal is to help you overcome your mental health issue and unlike other clinics we pride ourselves on results and customer service.

With one of Ireland's most qualified therapist, Jason O'Callaghan mixes the best practices of psychology, clinical hypnotherapy, CBT, Mindfullness and Counselling to give you the results you need in the most cost effective and quickest time possible.

From Phobias and anxiety, stop smoking to quitting alcohol and from IBS to anxiety, with countless testimonals and reviews contact us today to start reducing your bad habits tomorrow

22 August 2023
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Patient reviews

4.9 from 4 verified reviews
20.06.2016
Sharon, Ireland
( Review verified by phone and email)

it changed my whole outlook on food and portion sizes

5 50 Hypnotherapy • Paid: €299

I done the gastric band hypnosis with the D4Clinic and have lost 3 stone it was the best thing I done I tried so many different diets but all only worked for a few weeks my head just wasn't in the zone but Jason wasn't long in putting my head in the zone it changed my whole outlook on food and portion sizes I have much more confidence in myself and it's a pleasure buying new clothes

The D4 Clinic is such a nice place to go to you are made to feel very relaxed and you don't feel stupid asking questions in any queries you have it's very easy to get to and easy to find

Treated by: Mr Jason O'Callaghan
20.06.2016
Anonymous, Ireland
(We were unable to verify the reviewer)

Excellent experience

Virtual Gastric Band Hypnosis

I got the gastric band hypnosis and it's the best thing I done iv tried so many different diets and they only worked for a few weeks my head just wasn't in the zone Jason put my head in that zone and iv never looked back iv a new way of looking at food and portion sizes I highly recommend it to anyone who is looking to loose weight sensibly

The clinic is so relaxing and your made to feel very much at ease your not afraid or feel stupid asking questions it's the D4 Clinic all the way very easy to get to and easy to find

Treated by: Mr Jason O'Callaghan
21.01.2015
J., Ireland
( Verified user. Review confirmed by email)

Very pleased

5 50 Hypnotherapy • Paid: €75

Yes. Very pleased with treatment and results. I broke a CD I was given and Jason posted a replacement immediately.

Treated by: Mr Jason O'Callaghan
11.10.2014
Carina, Ireland
( Review verified by email)

Was impressed

4.5 50 Stop Smoking - Alternative Treatment • Paid: €149

Attended this clinic recently and was impressed with the service, the offices and the staff. Saw a qualified psychologist who trained as a hypnotherapist. Did a stop smoking session and got a deal of €149 reduced from €249. Which was good. Never smoked again and was impressed cause they said if I slipped up I could go back for a free session anytime to help me stay off them. Still off them, so worked for me.

05.08.2014
Angie, Ireland
( Verified user. Review confirmed by phone)

I would recommend this clinic to anyone

5 50 Hypnotherapy • Paid: €75

Hypnotherapy
This is an excellent service. The price was very good and the process was clearly explained to me before we started. The therapy was very effective and I was given a recording of my session so I could support my session until my next session.
I also received a great book written by Jason that advises and guides through healthy change of your life.
I would recommend this clinic to anyone who needs to balance out a stressful life quickly and effectively.

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Accreditations

  • PSI - Psychological Society of Ireland (Ireland) 

Premises

Parking - On Street parking (metered)Accessible to disabled peoplePublic transport access - DART to Blackrock/S8 bus/Bus 4 and 7Wheelchair accessible toiletAccess without stepsDisabled parkingPatient bathroomWireless access

Clinic services

Emergency serviceOpen 24 hours - text onlyOpen weekends - limitied hours

Travel services

International travelLocal travelLocal accommodation

Holistic Health

 

Hypnotherapy

Psychology

 

Psychologist Consultation

The D4 Clinic - The D4 Clinic has more five star google reviews then any other clinic

Payment information

Payment plansFree initial consultationCredit cards

Insurance

Private Patients WelcomePublic Health InsuranceEuropean Health Insurance CardHSEHSE Medical CardHSE GP Visit CardPRSI

Mr Jason O'Callaghan

Job Title:
  Consultant
Specialisations:
  Hypnotherapy, Psychology
Languages:
  English
Biography:

Jason OCallaghan holds a Masters Degree in Appied Psychology from Trinity College, an honours degree in Psychology, plus qualifications in CBT, Hypnotherapy and Counseling. He trained for four years before opening The D4 Clinic and has gained work experience in AMNCH, Tallaght Hospital, The Samartians, ARC Cancer Support Center plus carried out research into hypnotherapy and humour therapy stress reduction for cancer patients.

(01) 907 9538

58 Newtownpark Ave, Blackrock, Dublin, A94P407Ireland