Dr.
Dr Christopher O'Callaghan
General (Internal) Medicine
- 🇬🇧
- GP consultation
- Annual physical exam
- Vaccination administration
- Minor procedure (skin)
About Dr Christopher O'Callaghan
Dr Christopher O'Callaghan is a general physician and clinical pharmacologist. Dr O'Callaghan is a clinician researcher who has undertaken laboratory and clinical studies in a variety of areas of cardiovascular medicine. Their studies have ranged from cell culture experiments that examined the role of adrenaline in regulating the synthesis of collagen, to trials that determined the mechanism of cardiovascular neuro-humoral systems in regulating organ blood flow and drug clearance. Dr O'Callaghan has also undertaken pivotal examinations that determined the effects of spinal cord injury on blood pressure control. Furthermore, the first study to link joint hypermobility with anorexia nervosa was published by Dr O'Callaghan and colleagues. Dr O'Callaghan has extensive experience caring for patients with disorders of blood pressure control, fatigue syndromes and joint hypermobility such as Ehlers Danlos syndrome. Dr O'Callaghan is the author of Faint, Foggy, Fatigued & Adrenaline. It's not in Your Head.
"Evidence-based care tailored to each patient — taking the time to explain options and shared decisions."
Credentials & verification
Medical license
Organización Médica Colegial de España (OMC) ·
#-447833
Valid until 2028-12-31
Verify with issuerBoard certification
European Board of General (Internal) Medicine
#EB-90C4FA60
Renewal due 2036
Verify with issuerMalpractice cover
AmTrust Europe
4,000,000 EUR
Valid until 2026-12-31
No claims on file
Education & training
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2015–2021
MD · Medicine and Surgery
UAB Barcelona
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2021–2025
Residency · General (Internal) Medicine
Universidad de Sevilla
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2025–2026
Fellowship · Subspecialty training
Charité Berlin, DE
Career & appointments
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2025-09–2026-08
Junior consultant
UAB Barcelona Teaching Hospital — General (Internal) Medicine
Procedures & conditions
| Procedure | Code | Lifetime volume |
|---|---|---|
| GP consultation | 99213 |
2,871 |
| Annual physical exam | 99395 |
2,881 |
| Vaccination administration | 90471 |
1,553 |
| Minor procedure (skin) | 17110 |
2,382 |
Patient reviews
"Very thorough first visit — explained every step. Booking was easy and the staff were welcoming."
"Took time to listen and reviewed all my previous results. I would absolutely recommend."
"Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent."
Recognition & press
Awards
- Top-rated General (Internal) Medicine — — EuroClinics Patient Choice · 2025 regional
Society memberships
- WONCA Europe — Family Doctors — Member · since 2026
- national college of family doctors — Member · since 2026
- European Union of Medical Specialists (UEMS) — Member · since 2026
Your consultation, step by step
- 1 Choose a slot
- 2 Brief pre-consult form
- 3 Consultation
- 4 Follow-up note & plan
Services & pricing
New patient consultation (60m)
Follow-up consultation (30m)
Vaccination administration
Minor procedure (skin)
Research & publications
h-index: 9 · i10: 13
Selected publications
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Outcomes of General (Internal) Medicine in adults — a multi-centre cohort
DOI: 10.2688/euroclin.2025.0 · cited by 167
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European registry analysis of General (Internal) Medicine outcomes
DOI: 10.2232/euroclin.2024.1 · cited by 133
Show full research record
Invited talks
- Practical updates in General (Internal) Medicine · European Annual Congress (General (Internal) Medicine) · Vienna · 2024
- Single-centre experience in General (Internal) Medicine · National Society Meeting · · 2023
Articles by Dr Christopher O'Callaghan
Frequently asked
01. Do you accept new patients?
Dr Christopher O'Callaghan is currently accepting new patients. Use the booking module to choose a slot.
02. Which languages can I be seen in?
Consultations are available in English.
03. Is the consultation in-person or online?
Most services are offered both in-clinic and via telemedicine. Each service card above marks its modalities.
04. Do you accept my insurance?
Please use the booking flow to enter your insurance — we verify and confirm before your slot.
05. What is the cancellation policy?
Free cancellation up to 24 hours before your slot. Last-minute cancellations may incur a small administrative fee.
06. How is my health data protected?
All records are stored on EU servers, field-level encrypted, and GDPR compliant. Data is never shared with third parties without your explicit consent.