NHS Harrow is being urged to consider reopening a family GP surgery in Pinner before it is too late.
The primary care trust (PCT) is coming under increasing pressure from former patients of The Village Surgery, many of whom feel their views are being ignored.
A public consultation on the future of Pinner's healthcare provision ended this week and time is running out before the PCT makes a decision on January 11.
Since The Village was closed in April, with just 48 hours' notice, patients in Pinner have been left with just one GP practice. Harrow PCT has since apologised for the way it handled the closure.
This week, a former non-executive director on the health trust's board wrote to chief executive Mark Easton, requesting it consider reopening the surgery as a 'third option'.
Anna Lichfield, who was a patient of The Village for 35 years, told the Observer: "The PCT is committed to give an answer in January but each option seems to be fixed with keeping The Pinn Medical Centre as the only surgery.
"It seems to be pre-determined. We are not happy with that and we need to put pressure on the PCT to make sure they consider a third option, reopening The Village Surgery."
NHS Harrow states in its consultation document, The Way Forward, that reopening the surgery as it was is not possible. However, this has been challenged by The Village's former doctors, who have said they are able to reopen on a nearby site.
Ms Lichfield sat on the PCT board of directors between 1996 and 1998 and is now retired.
In her letter, she wrote: "We are now told that reopening or providing a similar facility is not an option. This begs the question why The Village Surgery was closed down.
"If it was due to a problem which could have been remedied, why was it not? Therefore the only conclusion we are left with is that this is a cost-cutting exercise in disguise.
"There is no other reason for not including the reopening of The Village Surgery in your considerations."
The two options offered are to make the existing temporary arrangements with The Pinn permanent, or to procure a new practice that would not guarantee a contract for the former Village Surgery doctors.
Currently, 3,800 patients in Pinner are not registered with a GP.
Ms Lichfield added: "Should a monopoly of general practice in Pinner be allowed and encouraged by NHS Harrow?"