Our Medical Specialists

Our Medical Specialists

The specialised doctors are well qualified, trained and experienced in their respective fields. We are staffed adequately to handle normal and emergency cases in a timely and efficient manner. The doctors will take care of your problem with complete excellence and professionalism. Our doctors remain up-to-date with recent developments in the medical field to ensure the best patient treatment and outcome.

Island Medical Specialist is equipped with all the latest diagnostic and treatment equipment. We believe in providing quality and personalised care to every patient. Depending on your requirement you can contact the respective department.

  • Consultant Gastroenterologist
  • Breast & Vascular Surgeon
  • Consultant Internist / Pulmonologist
  • Consultant Urologist
  • Consultant Pathologist
  • Consultant Anesthetist

  • Consultant General Surgeon
  • Consultant Neurosurgeon
  • Consultant Medical Oncologist
  • Thoracic Surgeon
  • Psychology Consultant
  • Physician in Infectious Diseases and Wellness Specialist


Dr. Warren N. Chin

Degrees and Qualifications:

Endourology and Minimally Invasive Urologic Surgery Fellowship – Monash Medical/ Monash University, Melbourne Australia (2010-2011)
Doctor of Medicine (D.M.) in Urology (UWI), 2008
Bachelor of Medicine, Bachelor of Surgery (M.B.,B.S.) (UWI), 1998


Endourology and Minimally Invasive Urologic Surgery Fellowship – Monash Medical/ Monash University, Melbourne Australia (2010-2011)
Urology residency- University of the West Indies and University of Toronto (elective year) (2001-2008)
Medical school – Faculty of Medical Sciences, University of the West Indies (1993-1998)


Consultant Urologist, Kingston Public Hospital, 2009 onwards

Dr. Warren Chin is a Jamaican born consultant urologist with subspecialty training in endourology. Endourology is the branch of urology that deals with minimally invasive surgical procedures, utilizing small cameras and special instruments to avoid large incisions. As such he takes special interest in the endoscopic treatment of kidney stones and laparoscopic kidney surgery.

His other areas of interest include: the diagnosis and treatment of prostate cancer, benign prostatic hyperplasia (BPH), voiding dysfunction, erectile dysfunction and recurrent bladder infections.

Dr. Chin is committed to providing personalized contemporary medical care to all of his patients.


Dr. Althea Aquart-Stewart

DM (Int Medicine), FACP

Subspecialty: Internal Medicine, Pulmonology & Critical Care

Dr. Althea Aquart-Stewart attended Wolmer’s Girls School. She completed her BSc. in Chemistry and Biochemistry at the University of the West Indies, Mona. She went on to attain her MB.BS., class of 1987 and her DM ( Internal Medicine) in 1996. She did her fellowship training in Pulmonology with Critical Care at the University of Toronto between 1999- 2001.

At Island Medical offices, she offers consultations in Internal Medicine and Pulmonology. Other services offered include bronchoscopy and biopsy, Pulmonary function testing and interpretation.


Dr. Aquart-Stewart is a Consultant Physician & Pulmonologist at the University Hospital of the West Indies. She is an Associate Lecturer in the Dept.of Medicine, UWI. She is passionate about teaching and mentoring students, and maintaining the delivery of quality patient care, despite limited resources.

She has served on numerous committees in the Faculty of Basic Medical Sciences &Research, and was instrumental in establishing a Critical Care Unit on the medical floor. Dr. Aquart-Stewart is a Fellow of the American College of Physicians, and member of the American College of Chest Physicians.

She is the President of the Association of Consultant Physicians of Jamaica (ACPJ) and the Principal investigator in the international BOLD research project.

Dr. Sheray N. Chin

Degrees and Qualifications

Medical Oncology Clinical Fellowship (Univ of Toronto), 2008
Doctor of Medicine (D.M.) in Internal Medicine (UWI), 2005
Bachelor of Medicine, Bachelor of Surgery (with Honours), (UWI), 1999


Clinical Fellowship (Medical Oncology), University of Toronto, Ontario, Canada (2006-2008)
D.M. (Internal Medicine) postgraduate training programme, University of the West Indies, Kingston, Jamaica (2002-2005)
DM (Haematology) postgraduate training programme, University of the West Indies, Kingston, Jamaica (2001-2002)

M.B., B.S. undergraduate programme, Faculty of Medical Sciences, University of the West Indies, Kingston, Jamaica (1994– 1999)


Raymond Chang Caribbean Fellowship in Subspecialty Internal Medicine Award, inaugural recipient, 2008


Consultant Medical Oncologist & Consultant in Internal Medicine, UHWI, 2008 – present

Dr. Sheray Ward Chin is a Consultant Medical Oncologist. After attaining the DM (Internal Medicine) degree she went on to pursue sub-specialty training in Medical Oncology at the University of Toronto, in order to fulfill her desire to contribute to the development of cancer care in Jamaica. Fellowship training has provided her with a wholesome perspective on the aspects of cancer care in the Caribbean that need to be addressed in order to reduce disparities in care and outcome.

Since returning home, she has contributed to the training of residents in Oncology at the University of the West Indies, and also to the establishment of Multidisciplinary Cancer Conferences at the UHWI aimed at improving patient outcomes though a multidisciplinary team approach to cancer care.

Dr. Chin specializes in the management of solid tumours, including breast cancer, gastrointestinal cancers (e.g. colon cancer, stomach cancer), prostate and other genitourinary cancers, gynaecological cancers (e.g. endometrial, ovarian cancer), amongst others. Her special areas of interest include cancer research, multidisciplinary cancer management, optimizing cancer care in Jamaica and reducing cancer health disparities.

Hilary Brown(M.D., FACS)

Dr. Brown completed an undergraduate degree and medical school at the University of Pennsylvania. She then went on to training in General Surgery at Yale University. She has worked as a Consultant General Surgeon at the University Hospital of the West Indies and returned to Yale University to complete specialization in Vascular Surgery. She has recently returned to Jamaica and is also employed as a Lecturer and Consultant Surgeon at the University of the West Indies



Dr. Newnham received his undergraduate medical degree from the University of the West Indies, completing his surgical residency in 1999 from the same institution. In 2006 he was elected a fellow of the American College of Surgeons.

He is currently a Senior Lecturer and Director of the Postgraduate Programme in General Surgery at the University, and has been actively involved in the training of undergraduates and postgraduates in Jamaica and the Caribbean for the last 15 yrs.

A founding member of Island Medical Specialists, Dr. Newnham saw the opportunity to offer his private patients care in a a world-class center of excellence. His practice that closely mirrors his public Hospital practice with his special interests in Surgical Oncology (surgery on cancer patients), Vascular Surgery (in particular arterial surgery including aneurysms and lower limb bypasses), and General Surgery.

After 15 years practicing at a consulting level, Dr. Newnham is able to offer expert care in:

  • Thyroid and parathyroid surgery. He is an advocate for minimally invasive techniques including unilateral exploration when appropriate.
  • All breast diseases including breast lump assessment, breast cancer screening and Treatment including breast conservation, mastectomy and skin/nipple sparing mastectomy. The first skin-sparing mastectomy in Jamaica was performed by Dr. Newnham in 1999. He continues to refine the technique along with plastic surgery colleagues offering a range of immediate reconstruction options.
  • Gallbladder disease. He has been performing laparoscopic cholecystectomies as standard for gallstones, even in the emergency setting.
  • Gastrointestinal diseases, performing total and subtotal gastrectomy, various small bowel and colorectal resections for benign and malignant disease when appropriate.
  • Abdominal aortic and peripheral aneurysmal and occlusive disease. The techniques of open abdominal aneurysm repair have been refined in the last decade to result in adverse events comparable to first world centers.
  • Hernia surgery, including meshed repair under local anaesthesia when appropriate, incisional or recurrent hernias
  • Haemorrhoidal assessment and management.

Described by one his mentors as being ‘the surgeon of choice’ in Jamaica, Dr. Newnham is available for both elective and emergency surgical care.

Trevor M. Murphy BSc, MBBS, DM, FACG

Dr. Murphy is a fully trained Internist and Gastroenterologist. He began his University Studies at the University of Western Ontario in London, Canada where he obtained a BSc in Biology. His medical training began at the University of the West Indies (Mona) where he completed his M.B.B.S and internship (UHWI). Dr. Murphy specialized in Internal Medicine and was granted a Doctorate of Medicine (DM) at the University of the West Indies (Mona). He further specialized in Gastroenterology by completing a three year fellowship in Gastroenterology, Advance Endoscopy (including ERCP) and Functional Bowel Disorders at McMaster University (Hamilton, Canada).

Dr. Murphy is recognized for his special trained patient care using advanced endoscopic therapies and hepatobiliary procedures (ERCP). He was the first and only gastroenterologist to perform endoscopic pancreatic cystogastrostomies at the University Hospital of the West Indies. Dr. Murphy has also been instrumental in promoting advanced endoscopic procedures at the UHWI as well as IMS.

Dr. Murphy is a founding member of Island Medical Specialists. With over a decade of clinical practice experience as a Consultant Gastroenterologist in both the public and private settings, Dr. Murphy continues to pursue his goal of providing the best gastrointestinal medical care for the people of Jamaica.

In addition to his work at Island Medical Specialists, Dr. Murphy is an Associate Lecturer at the University of the West Indies, a Member and past Secretary of the Association of West Indian Gastroenterologists and a Fellow of the American College of Gastroenterology (FACG).

Also Please read article by Trevor Murphy



Dr Trevor Seaton

Dr Trevor Seaton graduated in Medicine at the University of the West Indies, then did Specialty Training in Internal Medicine and Gastroenterology at McMaster University, Hamilton, Ontario, Canada. He has been on the Faculty of McMaster University Medical School, and the Hamilton Teaching Hospitals for more than 30 years. He has held various leadership roles at McMaster including Program Director in Internal Medicine, and Gastroenterology, Chief of Medicine, and has been an Examiner for the Royal College Physicians and Surgeons of Canada, and a member of the Credentials Committee of the Royal College. He is Board Certified by the American College of Medicine, a Fellow of the Royal College of Canada, Fellow of the American College of Gastroenterology, and immediate Past President of the Association of West Indian Gastroenterologists.

His Clinical Practice has been in General Gastroenterology, Therapeutic Endoscopy, Colonoscopy and ERCP, with a special interest in Inflammatory Bowel Disease, and prevention and management of Colon Cancer. Dr Seaton continues to work in Canada, but has had a Consulting Practice in Grand Cayman for 14years, and has been a foundation member of IMS.

Dr. Nadia Williams

Dr. Nadia Williams is a Senior Consultant Pathologist in Anatomic Pathology at the University Hospital of the West Indies with more than 25 years of experience in the field. She is a Matsumae International Foundation Fellow, researching Immunophenotyping of Non-Hodgkin’s Lymphomas, a Fellow of the American Society of Clinical Pathologists and a Fellow of the American College of Gastroenterologists.

She is a past Co-Host of the Radio Mona programme, “Radio MD”.



MBBS (UWI), DM (Pathology) (UWI), FACG, FASCP
Areas of Special Interest
Gastrointestinal Tract diseases
Lymphoreticular diseases



Dr. Stephanie Smith-Matthews

Dr. Stephanie Smith-Matthews received her BSc. in Biology from Bay Path College in Massachusetts. She then started her medical training at the University Hospital of the West Indies (Mona) where she completed her MB BS and internship.

Stephanie’s passion for Dermatology began after working for 1 year as a Medical Officer in the Department of Dermatology at UHWI. She then pursued a 2-year Master of Science degree in Dermatology at the Boston University School of Medicine where she had the role of Chief Trainee from 2016-2018.

Her interested peaked in the area of Cutaneous Oncology and she stayed at Boston University to complete a fellowship year in this sub-specialty. At the end of her fellowship year she was the recipient of the Boston University School of Medicine Department of Dermatology 2017-2018 Marie-France Demierre Award for Humanism in Medicine and the Nancy and G. Robert Baler, MD Distinguished Clinical Scholar Award, June 2018.

Dr. Smith-Matthews treats general dermatologic conditions such as acne, atopic dermatitis, psoriasis, blistering and autoimmune conditions. Her special area of interest is in the diagnosis and management of skin cancers including basal cell carcinoma, squamous cell carcinoma, melanoma and cutaneous lymphomas, using a multi-disciplinary approach.


Nicole Seaga MA

Subspecialty: Counselling Psychology

Nicole Seaga is a warm and empathetic therapist with extensive experience providing safe, non-judgemental and client-centered support to individuals, couples and families. Her counselling approach is proactive and engaged, with the goal of equipping clients with the tools and guidance needed to facilitate healing, growth and change.

Mrs. Seaga has been in private practice for approximately twenty years and has assisted clients with a range of issues such as anxiety, depression, life transitions and marital counselling. Her areas of special interest are couples with relationship challenges as well as helping women to find their voices and reconnect with self.

Mrs. Seaga’s clinical experience includes Family Life Ministries (Kingston, Jamaica), Patricia House Drug Rehabilitation Centre (Kingston, Jamaica), The Women’s Crisis Centre, (Kingston, Jamaica) and Ward 21, University Hospital of the West Indies.

She has also conducted workshops on Stress Management, Parenting and Critical Incident Stress.
Nicole Seaga is a member of the Jamaica Psychological Society and is licensed with the Council for Professions Supplementary to Medicine.