✓ Verified
Trust score 97/100
Dr Georgios Karagiannis
👤 4 years of experience
5,652+
Patients seen
4
Years in practice
11
Publications
4
Languages spoken
About
Dr Georgios Karagiannis is a Consultant specialising in the field of Cardiology. He is currently working at Harefield Hospital within the heart transplant department, where he treats private and NHS patients. He is also working at Hillingdon Hospital within the cardiology department.
He qualified in Medicine at the Aristotle University of Thessaloniki in Greece. He then completed his specialist training in Greece and was awarded ‘excellent' marks on completion. In 2009, he successfully completed his PhD in Cardiology, for which he also received an ‘excellent' mark. Since 2013, he has worked as a senior clinical fellow in advanced heart failure at Harefield Hospital. Furthermore, for his academic and clinical work, Dr Karagiannis has been awarded a fellowship of the European Society of Cardiology and a fellowship of the European Heart Failure Association.
Diseases, Medical Tests and Treatments
Cardiac Rehabilitation
ECG monitor (24 hours)
Transoesophageal Echocardiography
Echocardiogram
Coronary angiography
Pacemaker Implantation
Heart failure
Preventive cardiology
Echocardiography
Acute cardiac care
Coronary Artery Disease
Heart Attack
High Blood Pressure
Chest Pain
Pulmonary Hypertension
He qualified in Medicine at the Aristotle University of Thessaloniki in Greece. He then completed his specialist training in Greece and was awarded ‘excellent' marks on completion. In 2009, he successfully completed his PhD in Cardiology, for which he also received an ‘excellent' mark. Since 2013, he has worked as a senior clinical fellow in advanced heart failure at Harefield Hospital. Furthermore, for his academic and clinical work, Dr Karagiannis has been awarded a fellowship of the European Society of Cardiology and a fellowship of the European Heart Failure Association.
Diseases, Medical Tests and Treatments
Cardiac Rehabilitation
ECG monitor (24 hours)
Transoesophageal Echocardiography
Echocardiogram
Coronary angiography
Pacemaker Implantation
Heart failure
Preventive cardiology
Echocardiography
Acute cardiac care
Coronary Artery Disease
Heart Attack
High Blood Pressure
Chest Pain
Pulmonary Hypertension
“Evidence-based care tailored to each patient — taking the time to explain options and shared decisions.”
— Dr Georgios Karagiannis
Education & training
-
2012–2018 MD · Medicine and Surgery
-
2018–2022 Residency · Cardiology
-
2022–2023 Fellowship · Subspecialty training
Career & appointments
-
2022-09–2023-08 Junior consultant
Licenses & insurance
Medical licenses
GB — Organización Médica Colegial de España (OMC)
Board certifications
European Board of Cardiology
Malpractice insurance:
HDI Global · 5,000,000 EUR coverage · No claims on file
Procedures performed
| Procedure | Code | Lifetime count |
|---|---|---|
| Cardiac consultation | 99244 | 258 |
| Echocardiogram | 93306 | 1,389 |
| Stress test | 93015 | 891 |
| Holter monitor | 93225 | 846 |
| Coronary angiography | 93454 | 2,089 |
| PCI / coronary stent | 92928 | 1,999 |
| Pacemaker implantation | 33208 | 1,852 |
Services & pricing
| Service | Duration | Modality | Price |
|---|---|---|---|
| New patient consultation (60m) | 60 min | in_clinic|telemed | 240.00 EUR |
| Follow-up consultation (30m) | 30 min | in_clinic|telemed|phone | 120.00 EUR |
| Stress test | 30 min | in_clinic | 240.00 EUR |
| Holter monitor | 60 min | in_clinic | 840.00 EUR |
| Coronary angiography | 90 min | in_clinic | 960.00 EUR |
| PCI / coronary stent | 30 min | in_clinic | 720.00 EUR |
Office, team & in practice
Videos
Research & publications
h-index: 8 · i10: 4
-
European registry analysis of Cardiology outcomes
DOI: 10.2606/euroclin.2025.0 · PMID: 34338817 · cited by 72
-
Outcomes of Cardiology in adults — a multi-centre cohort
DOI: 10.5704/euroclin.2024.1 · PMID: 32723886 · cited by 34
-
European registry analysis of Cardiology outcomes
DOI: 10.5650/euroclin.2023.2 · PMID: 33205599 · cited by 4
Invited talks
- Practical updates in Cardiology European Annual Congress (Cardiology) · Vienna · 2024 · invited
- Single-centre experience in Cardiology National Society Meeting · Hemel Hempstead · 2023 · oral abstract
Awards & memberships
Awards
- 🏆 Top-rated Cardiology — Hemel Hempstead · EuroClinics Patient Choice · 2025 · regional
- 🏆 Excellence in Patient Care · National Society · 2024 · national
- 🏆 Young Investigator Award · European Society · 2023 · international
Society memberships
- European Society of Cardiology (ESC) — Member · Since 2023
- American Heart Association (AHA) — Member · Since 2023
- EAPCI — Member · Since 2023
- European Union of Medical Specialists (UEMS) — Member · Since 2023
Articles by this doctor
- Patient education Patient guide to Cardiology
- Awareness When should you see a cardiology?
For international patients
- Coordinator
- Patient liaison · dr.georgios.karagiannis@euroclinics.example
- Accepted international insurance
- Allianz Worldwide · AXA Global · BUPA Global · Cigna Global
Location
1 tagPatient reviews
59 verified reviews4.95
★★★★⯨
59 reviews
- 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
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Recent reviews
-
★★★★★ ✓ Verified Very thorough first visit — explained every step. Booking was easy and the staff were welcoming.
-
★★★★★ ✓ Verified Took time to listen and reviewed all my previous results. I would absolutely recommend.
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★★★★☆ ✓ Verified Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent.
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