Mark O'NEILL
Doctor
The registrant's unique identifier.
GMC reference number:
4636126
Registered with a licence to practise
View information about the GP Register
This doctor is not on the GP Register
View information about the Specialist Register
This doctor is on the Specialist Register
- Cardiology from 25 Jan 2008
- This doctor is a trainer recognised by the GMC. View details...
The type of profession in which the registrant works
Profession
Doctor
The qualification accepted for registration
Registered qualification
MB BCh 1998 University of Dublin
The date we first granted the doctor full registration
Full registration date
07 Jul 1999
Gender
Male
All doctors with a licence to practise in the UK must regularly demonstrate that they are keeping their skills and knowledge up to date and remain fit to practise. This process is called revalidation
This doctor is subject to revalidation;
The organisation responsible for a registrant's revalidation
Designated body
Guy's and St Thomas' NHS Foundation Trust
The senior doctor who oversees a registrant's revalidation
Responsible officer
Simon Steddon
All doctors with a licence to practise in the UK must regularly demonstrate that they are keeping their skills and knowledge up to date and remain fit to practise. This process is called revalidation
This doctor is subject to revalidation;
The organisation responsible for a registrant's revalidation
Designated body
Guy's and St Thomas' NHS Foundation Trust
The senior doctor who oversees a registrant's revalidation
Responsible officer
Simon Steddon
The type of profession in which the registrant works
Profession
Doctor
The qualification accepted for registration
Registered qualification
MB BCh 1998 University of Dublin
The date we first granted the doctor full registration
Full registration date
07 Jul 1999
Gender
Male
General information
General information
This doctor may work at any grade in the NHS including consultant. Doctors working in general practice in the UK health service are required to be on the General Practitioner Register. Please refer to the relevant NHS performers lists regulations.
More information about employment check requirements
Annual retention fee due date: 07 Jul 2026
Trainer info
Registrant history
Results of search on: 11 Jan 2026 at 16:04
The details shown are valid at the date and time of the search only.
GMT
The details shown are valid at the date and time of the search only.
