Our Doctors
Dr Somaly Lach

Dr Somaly Lach graduated in 1992 at The Royal London Hospital and she completed GP vocational training in 1997. She worked as a GP partner until 2008 at Danbury Medical Centre, Chelmsford.


She subsequently joined Dr Jo Watson in her private practice, and has since been a committed GP to her patients. She is dedicated in giving each patient the time and attention they need and to treat any patient as she would like to be treated herself.


Dr Lach is married with two children. She enjoys reading, cooking and skiing.

Dr Jonathan Siew
MRCGP MBBS BSc PGCert (Allergy)

Dr Siew completed his medical training at Barts and the Royal London Medical School (MBBS). He also holds a further degree in Biomedical Engineering at Queen Mary University, London (BSc).


He went on to train at Whipps Cross University Hospital and Broomfield Hospital. He later completed his training in General Practice and has since worked as a GP in the Essex area.


He has recently completed a Post Graduate Certifcate in Allergy at Imperial College, London. He currently works in the Allergy Clinic at Broomfield Hospital, Chelmsford.  


His other areas of interest include clinical hypnotherapy, acupuncture for musculoskeletal conditions and joint injections.


Dr Hannah Casey

Dr Casey graduated from Barts and The Royal London Medical School in 2004. She subsequently trained at Broomfield Hospital and completed her GP training in 2008. She was a GP partner at St Lawrence Medical Practice in Braintree until 2015.


Dr Casey has a Diploma in Child Health and takes a special interest in paediatric care.  She believes in treating each patient as an individual and giving each patient the time needed to address their health issues fully.


She is married with three children, including identical twins. In her spare time enjoys running and has completed three marathons.

Sharon Chick  

Sharon has managed our practice since 2008, and is the friendly and familiar point of contact for our patients.


As Practice Manager, she has  a multitude of responsibilities amongst which is to make sure that the needs of our clients are being met to the highest standards that we are accustomed to.


Having looked after the service for a number of years, she will be able to assist you in any health matter and answer any queries you may have. She has overseen the growth of our service and looks after a clientele of over 5000 patients.

Spire Hartswood Hospital,

Eagle Way,



CM13 3LE 

01277 568562

07875 702641


© 2020 Essex Private GP