• The Harley Street Endometriosis Centre is established on the base of The Harley Street Clinic (HCA Healthcare UK) one of the most prestigious and respected private hospitals in London.
  • The Harley Street Clinic has received the "Outstanding" status by Care Quality Comission (CQC) in 2016.   
  • The Harley Street Endometriosis Centre is registered with British Society Of Gynaecological Endoscopy (BSGE) as a National Referral Centre for Endometriosis. The activity of the centre and it’s surgical outcomes are closely monitored by BSGE. We enter all our cases of severe endometriosis into the national (anonymous) database, which allows us to keep up to date with national and world standards in treatment of severe endometriosis.

Multidisciplinary care

Individual approach to every patient and ongoing support



  • Harley Street Endometriosis Centre is a coordinated multidisciplinary network. We offer comprehensive and personalised approach to endometriosis from all aspects. 
  • We are the clinic where gynaecology endometriosis surgeons, specialist endometriosis nurse, colorectal (bowel) surgeon, urologist, anaesthetists, chronic pain specialists, gastroenterologists, and consultant radiologist, specialising in endometriosis work together and always discuss the treatment of patients with severe endometriosis on multidisciplinary team meetings (MDM)  
  • Apart from the core medical specialists our patients will have access to clinical psychologist, complimentary medicine specialist and psycho-sexual councillor. We work in close partnership with fertility team in Lister Hospital for those patients who have difficulty getting pregnant with endometriosis. We support our patients in all aspects of endometriosis care before, during and after surgery. Our aim is to improve reproductive health of our patients and enhance their quality of life.      

Mr. Denis Tsepov, MRCOG

Consultant Gynaecologist and Laparoscopic Surgeon, Founder of the Harley Street Endometriosis Clinic


Mr. Denis Tsepov graduated from St. Petersburg State Medical University in Russia in 1997 and completed his higher specialist training in the United Kingdom. 

Mr. Tsepov is a member of Royal College of Obstetricians and Gynaecologists of the United Kingdom (RCOG) and  British Society Of Gynsaecological Endoscopy (BSGE).
At The Harley Street Clinic Mr. Tsepov has established and is currently leading a multidisciplinary endometriosis team, The Harley Street Clinic Endometriosis Centre (Accredited by BSGE) which offers full range of investigations, treatment and post treatment support for patients with severe endometriosis and complex gynaecological surgical problems. 

His work involves complex gynaecological and colorectal laparoscopic surgery,  together with designated colorectal and urology surgeons given the complex surgical nature of severe endometriosis.
Mr. Tsepov is a passionate supporter of preventive and evidence-based medicine. His other areas of expertise include diagnosis and treatment of pelvic pain syndrome, uterine fibroids, ovarian cysts, menstrual disorders, polycystic ovarian syndrome, pelvic inflammatory disease, endocrine gynaecological disorders, early pregnancy problems, ectopic pregnancy, selection of the best contraception etc. He performs large numbers of laparoscopic (keyhole) hysterectomies and lots of operations to treat severe (stage III and IV) endometriosis, including cases of severe bowel endometriosis, recto-vaginal , bladder and ureteric disease.
In his clinical practice, Mr. Denis Tsepov widely uses traditional methods of diagnostics and treatment, as well as latest innovative approaches and techniques recommended by National Institute of Clinical Excellence, British Society of Gynaecological Endoscopy (BSGE) and Royal College of Obstetricians and Gynaecologists.
Mr. Denis Tsepov has a number of scientific publications in the prestigious British and American medical journals in general gynaecology, gynaecological oncology and obstetrics. He has been participating in prestigious international gynaecological congresses as a speaker and member of the faculty. 

Mr. Christopher Chan, FRCS

Consultant General and Colorectal Surgeon


  •  Mr Christopher Chan is a General Surgeon and Colorectal Surgeon. He graduated from United Medical and Dental Schools of Guy's and St Thomas's Hospital, London. He has undergone surgical training programmes in Cambridge and London and sub-specialist colorectal training fellowships to Sydney, Paris and St Mark's Hospital. He was awarded an MRC Clinical fellowship researching in pelvic floor dysfunction. 
  • Mr Christopher Chan’s areas of clinical expertise include complex colorectal diseases, including severe bowel endometriosis, colorectal cancer, Crohn's Disease, Ulcerative colitis, enterocutaneous fistula, complex anal fistula, anorectal and pelvic floor problems and pelvic floor reconstruction. Mr Christopher Chan is a member of Association of Coloproctology GB and Ireland, Association of Surgeons GB and Ireland, Association of Laparoscopic Surgeons GB and Ireland and a fellow of the Royal College of Surgeons of England. 

Dr. Priya Narayanan

Consultant Radiologist


  • Dr Narayanan trained in Radiology at St George’s Hospital, London, followed by a fellowship in gynaecological oncology imaging and body MRI at St Bartholomew’s Hospital.   She was appointed as consultant radiologist at Chelsea and Westminster Hospital in 2008 where she was the lead radiologist for MRI.She moved to UCLH in 2014 to pursue her specialist and research interests in gynaecologic oncology and imaging of endometriosis.Dr Narayanan has given lectures both nationally and internationally on benign and malignant gynaecological disease and is the author of several peer reviewed papers and book chapters on gynaecological imaging. 

Ms. Nadine Di-Donato

Consultant Gynaecologist


 Dr. Nadine Di Donato is Consultant Gynaecologist and Laparoscopic Surgeon, at The Harley Street Endometriosis Centre and also in Queen Alexandra Hospital, Southern Endometriosis Centre, Portsmouth, United Kingdom. Nadine has completed her specialty training in 2015 at S. Orsola Malpighi Hospital Bologna, one of the busiest endometriosis hospital in Italy with a workload of more than 800 laparoscopies a year. She has an excellent academic record with strong independent research skills resulting in peer-reviewed published work. She has published more than 30 articles in endometriosis and benign gynaecology. She is member of the British Society Gynaecology Endoscopy and invited faculty at several national and international conferences. 

Dr. Roman Cregg, FRCA

Consultant in Anaesthesia and Pain Management, MB BS (Hons), FRCA, FFPMRCA (Exam), PhD (Lond)


  • Dr. Cregg is a Consultant in Pain Medicine and is part of Harley Street Endometriosis MDT. His clinical activities are centred around the multidisciplinary management of acute, chronic and cancer pain. He has the following clinical interests: interventional cancer pain management, urogenital, pelvic, abdominal chronic pain,rare inherited pain conditions such as erythromelalgia, CIPA and Paroxysmal extreme pain disorder, central pain syndromes, neuropathic pain, intraoperative anaesthetic management of complex patients with the aim of preventing development of persistent postoperative pain (PPP), pain originating in the back, spine and neck, other chronic musculoskeletal (MSK) pain disorders.  Education Dr Cregg has obtained his Ph.D. in Neurosciences (Pain) in 2012 from Wolfson Institute for Biomedical Research, University College London. His research currently centres on mechanisms of neuronal hyperexcitability in patients affected by complex chronic pain disorders. His research interests are: pain channelopathies, painful peripheral neuropathies, genetics of chronic pain, personalised analgesia, ketamine as an analgesic drug Medical Procedures Wide range of X-ray and CT-guided injections targeting peripheral structures including nerves and nerve roots and central (axial) blockade.  

Mr. Daniel Wilby, FRCS

Consultant Urologist



Mr Daniel Wilby BM FRCS (Urol)

Mr Wilby is a consultant urological surgeon who completed his higher surgical training in Wessex as well as Guy’s hospital London, and undertook a fellowship in reconstructive urology at University College Hospital London. He has a sub specialist interest in laparoscopic (keyhole) surgery for renal disease and in robotic surgery for pelvic cancers and bladder reconstruction. He works closely with the endometriosis team when the disease involves either the bladder or ureters.

Mr Wilby is the lead cancer clinician for urology at the Queen Alexandra Hospital in Portsmouth and has published book chapters and scientific papers on a range of topics including reconstructive surgery and urological oncology.

His other interests include the investigation and management of benign prostate disease, haematuria, and inguino-scrotal disorders.

Mr. Ranan Das Gupta, FRCS

Consultant Urologist


 Since graduating from Cambridge University, and surgical training in London Deanery, awarded MD thesis (UCL) in dysfunctional voiding in women, published over 50 papers, including on Urodynamics and Fowler’s Syndrome, and a Visiting Professorship to the Cleveland Clinic for Female Urology. Original descriptions of Botulinum toxin for neuropathic bladder, cannabinoids in Multiple Sclerosis, Sacral Nerve Stimulation for voiding dysfunction and Sildenafil for Female Sexual Dysfunction.Clinical lead for Endourology at Imperial College Healthcare, subspecialist interest in upper urinary tract obstruction (benign and malignant).Other interests include management of haematuria (including upper tract renal malignancy), prostate disease (offering laser surgery and embolization) and comprehensive renal stone management (lithotripsy, laser treatment, and percutaneous surgery). 

Viorica Burea, CNS

Endometriosis Specialist Nurse


Viorica joined Harley Street Clinic in 2005 and since then has worked in several medical and surgical settings across HCA’s hospitals. In 2007 she moved to the newly established Outpatient department and contributed to the development and implementation of various gynaecological diagnostic procedures. Whilst gaining vast expertise and knowledge in various roles and areas, Viorica developed great interest in women’s health and in 2016 stepped up to the position of Endometriosis CNS. She works closely with the Multidisciplinary Endometriosis team and serves as a key link between the patients and consultants for any questions or concerns that patients may have regarding their condition, treatment or surgery. Viorica provides ongoing support to patients and their family members throughout the care and treatment pathway, including pre-operative counselling, daily visits during their inpatient stay, post-operative support after the discharge, education and ongoing monitoring of the side effects from the medication treatments. Viorica is also involved in clinical education and audit to ensure that the care the patients receive is of the highest quality standards, incorporating the most up-to-date evidence and practices.     

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The Harley Street Clinic

Harley Street Endometriosis Centre

16 Devonshire Street, London, W1G 7AF

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Tel:  02078 662 315