CM9 GP catchment: which practices serve the CM9 postcode district
38,690 people living in the CM9 postcode district are registered with a GP (July 2026), 95% of them at 7 practices. The practice with the most is Longfield Medical Centre in Maldon, with 15,241 (39%). The 3 largest together hold 80% of the district's registrations.
Latest data: July 2026. Registered patients by neighbourhood July 2026; GP Patient Survey 2026.
These are the practices people living in CM9 are actually registered with, from NHS England's count of registered patients by neighbourhood; a practice's own catchment boundary can be wider or narrower. The district is mostly in Maldon.
| Practice | Town | Residents registered | Share | Overall experience good | CQC rating |
|---|---|---|---|---|---|
| Longfield Medical Centre | Maldon | 15,241 | 39% | 70% | Good |
| Blackwater Medical Centre | Maldon | 11,555 | 30% | 68% | Good |
| The Tollesbury Practice | Maldon | 4,261 | 11% | 76% | Good |
| The Medical Centre | Colchester | 2,274 | 6% | 81% | – |
| Danbury Medical Centre | Chelmsford | 2,213 | 6% | 50% | Good |
| Dr Wright & Partners | Witham | 1,054 | 3% | 68% | Good |
| Sidney House Surgery | Chelmsford | 521 | 1% | 78% | Good |
| Greenwood and Wyncroft Surgery | Chelmsford | 431 | 1% | 83% | Good |
Across the 8 practices serving CM9 with survey results, the share of patients describing their overall experience as good ranges from 50% at Danbury Medical Centre to 83% at Greenwood and Wyncroft Surgery, with a median of 73% (England: 77%). 0 are above England and 3 below by more than the survey's margin of error. The Tollesbury Practice has the highest share finding it easy to get through by phone (67%, England 57%).
Which GP practices serve CM9?
Longfield Medical Centre, Blackwater Medical Centre, The Tollesbury Practice, The Medical Centre and Danbury Medical Centre have the most registered patients living in CM9.
How many people in CM9 are registered with a GP?
38,690, 95% of them at 7 practices.
Which GP near CM9 do patients rate highest?
Among the practices serving the district, Greenwood and Wyncroft Surgery: 83% of its patients rated their overall experience good in the 2026 GP Patient Survey.