Contact us

Post during the COVID-19 pandemic

We can no longer receive postal deliveries. Please email all enquiries using one of the addresses below.

Membership queries

We are currently receiving a high volume of calls as a result of the COVID-19 pandemic.

To update your details, make payments or advise of reductions in work volume please log in to My membership or email and include your membership number, date of birth and postcode for security purposes. All changes will be actioned as soon as we can and will be back dated to the date the email was received. 

Freephone (8am to 6pm Monday to Friday, excluding bank holidays)

  • UK 0800 716 376
  • Ireland 1800 509 132

International (8am to 6pm Monday to Friday, excluding bank holidays)

  • +44 20 7022 2210


  • UK 020 7202 1696


Medico-legal queries and claims

Our medico-legal team are available 8am-6pm Monday to Friday and provide an on-call service for medico-legal emergencies or urgent queries, 24-hours a day, 365 days a year.


  • UK medical 0800 716 646
  • Ireland 1800 535 935


  • UK 020 7202 1662


Liaison managers

Our liaison managers are on hand to support you throughout your career and guide you through any areas of your MDU membership that you may need assistance with. 

Find your liaison manager

Complaints about our service

See our complaints procedure.

Your feedback

If you have feedback, good or bad, about any aspect of the MDU including our website we would like to hear from you. 

Press office


  • Dawn Boyall - 020 7202 1535
  • Out of hours - 0800 716 646 


Other general enquiries


  • Telephone: + 44 20 7202 1500
  • Fax: + 44 20 7202 1696
  • Email: