“Health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity.”
Our Vision.
Chronic illnesses like heart disease, stroke, and cancer remain the leading causes of death around the world—even as medical knowledge continues to grow. Rates of obesity are rising. Stress, screen time, and social isolation have quietly reshaped our daily lives. And despite being more connected than ever, many of us feel more unwell, more anxious, and more disconnected than before.
Lifestyle Medical Services was founded in response to this reality.
We focus on six core pillars of lifestyle medicine—sleep, nutrition, physical activity, stress management, social connection, and eliminating harmful habits—to help you restore your health and build long-term wellness.
Every visit, every plan is guided by evidence, compassion, and your goals. Our founder brings 19 years of experience in internal medicine to a model that goes beyond prescriptions.
This is not just treatment. It’s transformation.
Get In Touch.
Finding the right doctor matters.
At your first consultation, we’ll take the time to understand what you’re hoping for, explore what’s realistic, and start building a plan that supports your long-term health.
Meet Our Team.
director
Dr. Petra Crookendale BMedSci, MBBS, DM Internal Medicine (UWI)
petracrookendale@lifestylemedinc.com
Dr. Petra Crookendale is an experienced Internist with 19 years of expertise spanning Neurology, Cardiology, Pulmonology, Nephrology, Dermatology, Infectious Disease, Medical Intensive Care, and General Medicine. Her practice is rooted in compassion and a deep commitment to empowering patients on their journey to better health.
Passionate about lifestyle medicine, Dr. Crookendale integrates evidence-based strategies to help patients reduce their risk of heart attacks, strokes, and cancer, reverse chronic illnesses, and achieve their healthiest selves.
Outside of work, she leads an active, balanced lifestyle. Dr. Crookendale enjoys staying fit by going to the gym, practicing yoga, and playing with her two beloved dogs—a tenacious 110-pound Mastiff and his playful 25-pound companion. She also follows a plant-based diet, strives to meditate regularly, and values the connection between mind and body in overall well-being.
Dr. Crookendale’s mission is to provide personalised care and empower her patients to take charge of their health through sustainable lifestyle changes.
Education
The University of the West Indies
BMedSci, 2004
Bachelors of Medicine and Surgery, 2006
DM Internal Medicine, 2014
Activities & Affiliations
•American College of Physicians, Member
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Philosophy
When it comes to health and wellness, my philosophy is simple: "I practice what I preach."
nurse tutor
Nursing Officer Deborah Knight BScN (UWI), BSC Nursing (University of Derby),
MSc Diabetes Best Practice (University of Southampton)
deborahknight@lifestylemedinc.com
Nursing Officer Deborah Knight is a dedicated nurse on a mission. With 23 years of nursing experience, she currently serves as a Nursing Officer at the Queen Elizabeth Hospital. In 2019, she achieved a significant milestone by completing a Master’s in Diabetes Best Practices at the University of Southampton.
With a wealth of knowledge and expertise in nursing and diabetes management, Nurse Knight is deeply passionate about educating Barbadians on diabetes. Her approach to teaching is both inspiring and uplifting—she brings warmth and positivity to every interaction. Spend just five minutes with Nurse Knight, and you’re likely to find yourself smiling or even laughing out loud.
Her refreshing and encouraging style makes her a powerful advocate for diabetes education, empowering individuals to take control of their health with confidence and a sense of hope.
Education
The University of Southampton
Masters in Diabetes Best Practice, 2019
The University of Derby
BSc Nursing, 2017
The University of the West Indies July
BA Undergraduate degree in Psychology, 2012
The Barbados Community college
An Associate Degree in General Nursing, 2002
The Barbados Community College
Pre -Health Certificate in Applied Science,1998
Activities & Affiliations
Nursing officer, QEH
Philosophy
“Perseverance seldom fails.”
client care coordinator
Watch this space as we update her profile!
Watch this space!
Education
Lester Vaughn Secondary School
Samuel Jackman Prescod Institute of Technology
Key Skills & Strengths
Exceptional Organisational Skills
Strong Communication
Compassionate & Patient-Centered
Philosophy
“Treat others as you would like to be treated.”