The Medical Practitioners Tribunal Service (MPTS) has announced that a hearing into Dr Michael Watt will begin in September.
Concerns over the clinical work of the former Belfast Health and Social Care Trust consultant neurologist were first raised in 2018.
More than 4,000 of his former patients attended recall appointments.
A previous MPTS tribunal granted Dr Watt voluntary removal from the medical register.
The private ruling was made ahead of an expected public hearing and caused anger among politicians and some of his former patients.
However, the Professional Standards Authority (PSA) referred the matter to the High Court in Northern Ireland due to concern that the ruling was “not sufficient to protect the public”.
The High Court sent the case back to the MPTS after quashing its previous ruling.
The new hearing will consider whether Dr Watt’s fitness to practise is impaired by reason of “deficient professional performance”, following a General Medical Council (GMC) assessment in which his performance was deemed unacceptable in five areas.
An entry on the MPTS website stated: “The tribunal will inquire into the allegation that, between 7 and 22 October 2018, Dr Watt underwent a General Medical Council assessment of the standard of his professional performance.
“It is alleged that his professional performance was unacceptable in the areas of maintaining professional performance, assessment, clinical management, record-keeping and relationship with patients.”
A separate probe, the Independent Neurology Inquiry, concluded last year that problems with Dr Watt’s practice were missed for years and opportunities to intervene were lost.
It said systems and processes in place around patient safety failed and made more