CM23 GP catchment: which practices serve the CM23 postcode district
51,166 people living in the CM23 postcode district are registered with a GP (July 2026), 95% of them at 4 practices. The practice with the most is South Street Surgery in Bishops Stortford, with 22,136 (43%). The 3 largest together hold 92% 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 CM23 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 East Hertfordshire and Uttlesford.
| Practice | Town | Residents registered | Share | Overall experience good | CQC rating |
|---|---|---|---|---|---|
| South Street Surgery | Bishops Stortford | 22,136 | 43% | 82% | Good |
| Church Street Partnership | Bishops Stortford | 15,644 | 31% | 62% | Good |
| Helix Medical Centre | Bishops Stortford | 9,130 | 18% | 79% | Good |
| Peacock Surgery | Stansted Mountfitchet | 2,642 | 5% | 85% | Good |
| Newport Surgery | Saffron Walden | 566 | 1% | 77% | Good |
Across the 5 practices serving CM23 with survey results, the share of patients describing their overall experience as good ranges from 62% at Church Street Partnership to 85% at Peacock Surgery, with a median of 79% (England: 77%). 1 is above England and 1 below by more than the survey's margin of error. Peacock Surgery has the highest share finding it easy to get through by phone (83%, England 57%).
Which GP practices serve CM23?
South Street Surgery, Church Street Partnership, Helix Medical Centre, Peacock Surgery and Newport Surgery have the most registered patients living in CM23.
How many people in CM23 are registered with a GP?
51,166, 95% of them at 4 practices.
Which GP near CM23 do patients rate highest?
Among the practices serving the district, Peacock Surgery: 85% of its patients rated their overall experience good in the 2026 GP Patient Survey.