Coronavirus Update.

All our clinics have now reopened for face to face consultations and treatment. We have been working hard to put measures in place to protect both our patients and our staff in our clinics. Find out more about our new safety measures here. We also offer video consultations to those who would prefer not to come into our clinics.

Welcome to Stratum Clinics Oxford.

Trusted experts in dermatology in Oxford and the surrounding areas.

Based in the heart of Oxford, the clinic provides expert care for all skin related problems, as well as professional advice on maintaining and improving skin health and appearance.

Providing unrivalled dermatological care in Oxford.

We offer specialist Dermatological, Aesthetic and Laser Treatments. Our team of consultants and practitioners are experts in their chosen speciality areas. From Consultant Dermatologists to vascular and oculoplastic surgeons, our top team of doctors can help you.

Our goal is to provide you with dermatological diagnosis and treatment of the highest quality.

We accept patients from all major insurers, or you can pay for your own treatment.

Book a consultation

0800 048 9230

A professional, caring team of dermatology experts.


Stratum Clinics Oxford
Cantay House
38-39 Park End Street
Oxford OX1 1JD

The clinic can be accessed by rail, car, bus or by foot. The nearest parking is at Worcester Street Car Park (OX1 2BQ).


0800 048 9230

01865 320 799

[email protected]


While appointments can be made available outside usual hours in special circumstances, our core hours are:

Monday8.30am – 5.00pm
Tuesday8.30am – 5.00pm
Wednesday8.30am – 5.00pm
Thursday8.30am – 5.00pm
Friday8:30am – 5.00pm



Honorary Consultant Dermatologist

Dr Walker is the clinical lead for Stratum Clinics Oxford and is an Honorary Consultant Dermatologist, Department of Dermatology, Churchill Hospital, Oxford.

GMC: 2258764

Medical Secretary: Maeve McDonald.

Dr Walker graduated from Westminster Medical School, University of London in 1975. After completing a general medical training, he specialised in Dermatology, training in Cambridge and including a year as Fellow in Micrographic Surgery and Cutaneous Oncology at the Cleveland Clinic Foundation, Cleveland, Ohio, USA. He has been on the Specialist Register since May 1984.

Dr Walker pioneered both micrographic (Mohs) surgery and laser surgery in the UK and maintains an active interest in both these areas. These interests mean a significant part of his practice is the diagnosis, treatment and prevention of skin cancer. Lasers have many applications in the aesthetic aspects of dermatology and this too forms an important part of the practice as well as the use of lasers for treating birthmarks and other skin conditions.


Consultant Dermatologist

Qualifications: FACD, MBBS (Hons), BSc (Hons)
Dr Stephanie Arnold is a Consultant Dermatologist at Stratum Clinics. She also practises at the Churchill Hospital in Oxford.

GMC 7122805

Medical Secretary: Maeve McDonald or Lisa Francombe

Dr Arnold completed her medical degree in 2005, with Honours, from the University of Sydney, Australia. She commenced specialist training in Dermatology in 2008, at the Royal Prince Alfred Hospital, Sydney.

Dr Arnold was awarded the Australasian College of Dermatologists Travelling Fellowship and moved to the Churchill Hospital Oxford, in 2011, where she worked as a Dermatology registrar for three years, including a year spent in Dermatopathology research.

Dr Arnold completed Dermatology training in 2014 in Sydney at St Vincent’s Hospital and The Skin and Cancer Foundation. She passed the challenging Australasian College of Dermatologists Fellowship exams in August of that year and received a scholarship to the American Academy of Dermatology 2015 meeting in recognition of her outstanding results.

Dr Arnold is a general Dermatologist with a broad range of interests including skin cancer diagnosis and surgery, medical dermatology, vulval dermatology and dermatopathology.


Chartered Clinical Psychologist

Dr Coles is a Chartered Clinical Psychologist, a member of the Division of Clinical Psychology, a fellow of the British Psychological Society as well as a member of the Health Professionals Council. She is also a qualified Systemic Psychotherapist (Family Therapist).
She studied Psychology at the University of Liverpool before working in the NHS as a Research and Assistant Clinical Psychologist. She completed her doctorate in Clinical Psychology at University College London in 2008. She has worked in the NHS for over 13 years NHS in a range of clinical settings including with children and young people, older adults, and people with Intellectual Disabilities around a wide range of clinical issues including adjustment to diagnoses, and long-term health conditions.

Dr Coles has 8-years post-qualification experience working in the NHS as a chartered Clinical Psychologist in Oxfordshire for individuals, groups, families and staff teams. She provides teaching to Southampton, Oxford and Salomon’s Clinical Psychology Doctoral Courses. She regularly supervises others and receives supervision on both her private and NHS work.

She works using a range of talking therapies including; Cognitive Behavioural Therapy, Systemic psychotherapy, and Narrative approaches. She believes in important to work alongside her clients to gain a shared understanding and approach to difficulties, tailoring interventions to meet the individual needs and preferences of her clients.

Dr Coles has a special interest in systemic models of working and completed her post-graduate diploma in applied systemic practice in June 2013. She is now undertaking a Masters in Systemic Psychotherapy.


Consultant Vascular Surgeon

Qualifications: MD, MB ChB, FRCS
Mr Hickey is a Consultant Vascular Surgeon at Stratum Clinics. He also practises at the Worcestershire Royal Hospital Professional Societies

GMC 2855453

Medical Secretary: Maeve McDonald or Lisa Francombe

Mr Hickey studied Medicine at the University of Birmingham, graduating in 1984 with the Sampson Gamgee Memorial Prize in Surgery. He began performing vascular duplex ultrasound at the Selly Oak vascular laboratory (1988-90).

Surgical training continued in General and Vascular Surgery in Worcester and Stourbridge and was then appointed a Lecturer in the University of Birmingham, with specialist training in Vascular Surgery at the Queen Elizabeth and Selly Oak Hospitals. He was awarded a travelling fellowship by the Royal College of Surgeons to obtain further specialist training in the USA at Harvard University.

Mr Hickey introduced the techniques of Micro-Phlebectomy and PIN-Stripping to Worcestershire. He performed and published studies that demonstrated that the use of tourniquets reduced bleeding and bruising associated with surgery and that the use of pre-operative local anaesthetic infiltration reduced operative bleeding and postoperative pain. Mr Hickey also introduced micro-sclerotherapy for thread veins and small varicose veins and continue to offer this technique in his outpatient clinic. In 2003, he began performing Ultrasound-Guided Foam Sclerotherapy, Radiofrequency Ablation in 2004 and a year later Endovenous Laser Ablation.

Mr Hickey has an interest in Endovenous Laser Ablation and regularly trains consultants from all over the country in this technique. 5 years ago, he introduced the Biolitec ‘Painless’ Laser, further refining the procedure, reducing post-operative discomfort and speeding up recovery. The vast majority of patients with varicose veins can now be assessed in a one-stop outpatient clinic and treated with minimally-invasive endovenous interventions under local anaesthetic in an ambulatory setting.

Mr Hickey has special interests in all venous problems and Colour venous duplex ultrasound imaging, Endovenous Laser Ablation, Endovenous Radiofrequency Ablation (Venefit, previously VNUS Closure), Ultrasound-Guided Foam Sclerotherapy, Microinjection Sclerotherapy and Minimally invasive Varicose Vein Surgery.


Consultant Oculoplastic and Ophthalmic Surgeon

Qualifications: FRCOphth
Mr Norris is a Consultant Oculoplastic and Ophthalmic surgeon based at the Oxford Eye Hospital who is now able to offer consultations at Stratum Clinic. He also practices at the Nuffield Manor Hospital in Oxford.
GMC 4740625

Medical Secretary: Maeve McDonald or Lisa Francombe

Mr Norris trained in Yorkshire before undergoing Fellowship training at the prestigious Corneo-Plastic Unit in East Grinstead. He specialises in all aspects of eyelid surgery including eyelid lesion removal (moles, skin tags etc), eyelid skin cancer and reconstructive surgery. His other interests include facial palsy (relating to the eye), lacrimal (tear duct) surgery, artificial eyes, thyroid eye disease and orbital surgery. He has written a number of research papers relating to oculoplastic surgery.

Mr Norris is currently a Fellow of the National Institute for Health and Clinical Excellence (NICE) and is undertaking an MSc at Oxford University in Surgical Science.


Consultant Dermatologist

Qualifications: MB BS FRCP
Dr Perkins is a Consultant Dermatologist at Stratum Clinics. He also practises at the Churchill Hospital and is Oxford University Hospitals lead for Mohs micrographic surgery.
GMC 2945239

Medical Secretary: Maeve McDonald or Lisa Francombe

Dr Perkins graduated from University of Newcastle Upon Tyne medical school 1984. He completed training in dermatology in Glasgow and Southampton before fellowship training in skin cancer and micrographic (Mohs') surgery at the University of Minnesota.

Consultant and lead for skin cancer at Nottingham University Hospitals until 2014 when he moved to Oxford University Hospitals to lead the Mohs’ service at the Churchill Hospital.

He has been on the specialist register since 1995. Dr Perkins has specialist interests in skin cancer, lasers and micrographic (Mohs') surgery. He continues to see patients with the full range of skin diseases and has been involved in the development of treatment for both hyperhidrosis and cosmetic indications.


Consultant Plastic Surgeon

Miss Petrie is a Consultant Plastic Surgeon at Stratum Clinics. She also practises at Nuffield Health, The Manor Hospital, Oxford and was appointed Consultant Plastic Surgeon at the Oxford University Hospitals NHS Foundation Trust and Great Western Hospital NHS Foundation Trust in 2013.

She graduated from the University of Bristol, became a Fellow of the Royal College of Surgeons of England and completed her training in all aspects of Plastic Surgery in London, Chelmsford, Salisbury, Stoke Mandeville, Oxford, Boston (USA), Auckland (NZ) and Lyon (France).

She has undertaken specialist Fellowships in breast reconstruction, skin cancer surgery and aesthetic surgery and sits on the multidisciplinary panel for both skin cancer and breast surgery. Miss Petrie is registered with the GMC and is on the specialist register for plastic and reconstructive surgery. She is a member of the British Association of Plastic, Reconstructive and Aesthetic Surgeons (BAPRAS), the British Association of Aesthetic Plastic Surgeons (BAAPS) and the Melanoma Study Group.

Miss Petrie has special interest in Breast Surgery, Cosmetic Breast Surgery, Aesthetic Breast Surgery, Oncoplastic Surgery, and Body Contouring.


Consultant Plastic Surgeon

Qualifications: FRCS Plast
Mr Potter is a UK-trained Plastic Surgeon. He qualified as a doctor in 1997 and gained his membership of the Royal College of Surgeons of England in 2001. He passed his Plastic Surgical exams (FRCS Plast) in 2009.

He has been a Consultant Plastic Surgeon from 2012. He practises at Stratum Clinics and his principal NHS Practice is at the Oxford University Hospitals NHS Trust. His training in Plastic Surgery has been in London, Oxford and Australia. Mr Potter spent the last two years of his training within the UK and Australia learning advanced techniques in cosmetic and reconstructive surgery.

Mr Potter’s specialised areas of interest include Skin lesions and Head and Neck lesions. His cosmetic specialist interests include cosmetic surgery to the face and eyes, breast reduction surgery/augmentation and body contouring procedures.

Maria Roest - Consultant Dermatologist at Stratum


Consultant Dermatologist & Skin Cancer Lead

Qualifications: BSc (Hons) MRCP
Dr Roest is a Consultant Dermatologist at Stratum Clinics. She is also a Consultant at Ashford and St Peter’s Hospitals in North Surrey.
GMC 4119522

Medical Secretary: Lisa Francombe

After graduating in medicine from University of Bristol in 1994 with an intercalated BSc degree in Microbiology (dissertation in pre-operative skin disinfection), Dr Roest completed post-graduate medical training in Bristol and Bath. She began Dermatology training at St John’s Institute of Dermatology in London with completion of Dermatology Specialist Training at Oxford in 2003 where she worked closely with Dr Neil Walker.

Her special interests are General Dermatology, Skin Cancer and Skin Surgery, Hair and Nail Disorders.


Consultant Dermatologist

Qualifications: MD, PhD with Honours from the University of Athens, Greece and specialist training at Sygros Hospital, Athens, Greece.

Dr Toumbis is a Consultant Dermatologist at Stratum Clinics. She is also a Consultant Dermatologist at the Department of Dermatology, Basingstoke Hospital, Hampshire Hospital Foundation Trust.
GMC 7091661

Medical Secretary: Maeve McDonald or Lisa Francombe

She is an International Fellow at the Dermatology Department at the Baylor College of Medicine, University of Texas, MD Anderson Cancer Centre, Houston, Texas, USA. She has done IPL and laser training up to level 6. (Wynyard Academy).

She was previously a Locum Consultant at the Department of Dermatology, The Churchill Hospital, Oxford University Hospital, the Department of Dermatology, The Royal Berkshire Hospital and the Department of Dermatology, The Royal Infirmary of Edinburgh. Dr Toumbis has special interests in skin cancer diagnosis and surgery, skin surgery, Vulva dermatology and inflammatory skin conditions, including acne.


Aesthetic Therapist

Cristina Ucci is an Aesthetic Therapist at Stratum Clinics with over ten years expertise in the industry. Her clinic at Stratum specialises in a multitude of different skin conditions and concerns.

Cristina uses a wide variety of Laser machines for aesthetic and medical purposes including Alexandrite, YAG, Fraxel, Intense Pulsed Light and Radio Frequency.

These techniques are used for multiple applications including; assisted hair removal for gender reassignment and conditions such as Hirsutism, Polycystic Ovarian Syndrome and Pilonidal Sinus, the reduction and removal of Sun Damage, Solar Lentigines, High Colour (redness) broken blood vessels. Cristina also uses Fraxel and Radio Frequency machines to improve scars, acne scarring, fine lines/wrinkles and over all skin tightening and anti-ageing treatments.

Prior to joining Stratum in 2014, Cristina was the in-house and national trainer for Ellipse Ltd. and Venus Concept. Cristina travelled around the UK and Ireland teaching Aesthetic Therapists, Nurses and Dermatologists how to use and get the best results from IPL, Laser and Radio Frequency machines.

Cristina is very proud that during her time as a national trainer she taught IPL and Laser to a number College Lecturers that were setting up NVQ Level 4 qualifications to further students who wanted to progress in the Aesthetic Industry.

Stratum logo


Consultant Dermatologist

Qualifications:BM BCh 2010 Oxford University

Dr Wali is a Consultant Dermatologist at Stratum Clinics. He also practises at Churchill Hospital, Oxford University Hospitals.
GMC 7073606

Medical Secretary: Maeve McDonald or Lisa Francombe.

Dr Gorav Wali obtained his medical degree from Oxford University graduating with 1st Class Honours in Medical Sciences. He undertook general medical training in the Oxford Deanery, and became member of the Royal College of Physicians after passing Membership Examinations. He subsequently completed Specialist Dermatology Training in Oxford, before being appointed Consultant Dermatologist at Oxford University Hospitals NHS Trust.

He is on the specialist register and undertakes clinics in general dermatology, paediatric dermatology, skin cancer diagnosis, and skin surgery.

Dr Wali is interested in new dermatological treatments and is a Principal Investigator for clinical trials of novel treatments for inflammatory skin diseases in Oxford. He is a member of the British Association of Dermatologists, Royal College of Physicians, and is registered with the GMC.

Special Interests:
General dermatology including eczema, psoriasis, and acne; Skin Cancer and Skin Surgery; Paediatric Dermatology


Consultant Plastic, Reconstructive and Aesthetic Surgeon

Qualifications: FRCS(Plast), MD, PGDip(Aesth)

Sinclair Gore has been a Consultant Plastic Surgeon in Oxford since 2013. After graduating from Cambridge University he trained in Plastic Surgery in Sydney, London & East Anglia with numerous visits to specialists in Europe and North America. Thereafter he completed four specialist fellowships in reconstructive and aesthetic plastic surgery including an international head & neck cancer surgery fellowship in Sydney, Australia.

His NHS practice has a specialist focus on skin cancer and complex facial reconstruction including nasal reconstruction. He sits on the regional skin cancer and Head and Neck cancer multidisciplinary panels. In private practice he undertakes skin cancer treatment, nasal reconstruction and a broad range of aesthetic surgery.

He has published numerous articles in peer-reviewed journals and as well as a Masters degree (MD) in skin cancer molecular biology, he has completed postgraduate diplomas in aesthetic surgery and medical education. His current research interests include functional outcomes in complex head and neck reconstruction and patient-reported outcome measures in aesthetic surgery.

Find out more about some of our treatments.


mole inspection



non-surgical facelift treatment



Facial treatments at Stratum Dermatology Clinics



Because your treatment is individual to your needs, fees vary from patient to patient.

Stratum Clinic fees are competitively and fairly priced to reflect the expertise and facilities we deliver our services. For your consultation, you get:

  • A choice of Consultant Dermatologists to suit your condition, needs and schedules
  • A dedicated team who can support with payment, insurance, prescriptions and anything else to make your treatment as easy possible
  • Diagnosis and treatment of your condition – for many conditions we are able to offer treatment on the same day
  • An individualised treatment programme

Our doctors are Consultant Dermatologists

  • Registered with the General Medical Council as Consultant Dermatologists
  • Have trained and worked exclusively in dermatology for at least 10 years
  • Have treated thousands of patients

If you have a query or would like to discuss our treatments or fees in more detail, please contact us.

Consultation Fees.

The fee for the initial consultation [case history, examination including a full skin check when appropriate, assessment and discussion] is payable at the time. The secretaries will be happy to discuss fees and methods of payment at the time of making the appointment.

Procedure Fees.

Professional fees for any procedures will be quoted following the consultation. Full payment will be due on the day of the procedure.

Book your consultation

0800 048 9230

Attend your consultation