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Dr. Mohammed Rehan Omar

Dr. Mohammed Rehan Omar is a distinguished Consultant Interventional Cardiologist, Former Professor of Cardiology, and a passionate fitness advocate based in Karachi, Pakistan. With over 24 years of experience in medicine, he is a double board-certified physician specializing in the treatment of high blood pressure, coronary artery disease, heart failure, peripheral arterial diseases, diabetes, cardiometabolic diseases, and obesity. Beyond the clinic, he is the Program Director of the ROS-HIIT CrossFit Program, blending medical expertise with athletic training to promote holistic heart health

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Career Highlights

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Awards

Personal Life

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Latest News & updates

Prof. Dr. Mohammed Rehan Omar delivered a keynote lecture titled “Medication and Lifestyle Adjustments During Ramadan: The Month of Unlimited Blessings” at the L.E.J. National Science Information Center, University of Karachi. The event was organised by the Dr. Panjwani Center for Molecular Medicine and Drug Research (PCMD) in collaboration with the Sindh Innovation Research and Education Network (SIREN). The lecture highlighted the importance of pre-Ramadan medical assessments, balanced nutrition, and structured exercise routines for fasting individuals.

Dr. Rehan Omar continues to lead and expand the ROS-HIIT CrossFit Program, a unique high-intensity interval training initiative designed and directed by a cardiologist. The programme integrates cardiovascular science with functional fitness, making it a pioneering model for physician-led athletic training in Pakistan.

Dr. Rehan Omar has been consistently featured as one of the top-reviewed and most experienced cardiologists in Karachi across multiple healthcare platforms including oladoc, Marham, Healthwire, and Shifaam, with a verified 99% patient satisfaction score based on thousands of patient reviews.

Career Highlights

Ongoing
Program Director – ROS-HIIT CrossFit
Program Director – ROS-HIIT CrossFit
Founded and directs the ROS-HIIT CrossFit Program, a unique physician-led high-intensity training initiative promoting cardiovascular fitness and preventive health.
Ongoing
Consultant – National Medical Center & Lyfe Healthcare
Consultant – National Medical Center & Lyfe Healthcare
Currently serving as Consultant Interventional Cardiologist at National Medical Center and Lyfe Healthcare Clinics, Karachi, providing expert cardiac care to thousands of patients.
2009–2020s
Chair of Cardiology – United Hospital
Chair of Cardiology – United Hospital
Appointed as Chair at the Department of Cardiology at United Hospital, leading the cardiac catheterisation laboratory and serving as an active member of the coronary interventional programme.
2009
FCPS in Cardiology
FCPS in Cardiology
Completed advanced training and earned FCPS in Cardiology from the National Institute of Cardiovascular Diseases (NICVD), Karachi, becoming a double board-certified physician.
2003
FCPS in Internal Medicine
FCPS in Internal Medicine
Completed residency and earned FCPS in Internal Medicine from Civil Hospital, Karachi, establishing a strong clinical foundation.
1995
Graduation – MBBS
Graduation – MBBS
Graduated from Allama Iqbal Medical College, Lahore, one of Pakistan’s most prestigious medical institutions.

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Awards

Double Board Certified Physician

Chief of Cardiology – A-Plus Institute (PMDC Recognised)

International Speaker – Cardiometabolic Disorders

Top 50 – Pakistan Society of Interventional Cardiology

10+ Research Publications

99% Patient Satisfaction Score – 2025

Personal Life

Early Life

Full Name:Dr. Mohammed Rehan Omar Siddiqi

Birthplace:Karachi, Sindh, Pakistan

Languages: English, Urdu

Education

Dr. Rehan graduated from Allama Iqbal Medical College, Lahore in 1995. He completed his residency in Internal Medicine from Civil Hospital Karachi in 2003 and subsequently trained in Cardiology at the National Institute of Cardiovascular Diseases (NICVD), Karachi, earning his second FCPS in 2009. He is a double board-certified physician, holding FCPS degrees in both Medicine and Cardiology from the College of Physicians and Surgeons Pakistan.

Interests & Hobbies

Beyond his medical career, Dr. Rehan Omar is an avid CrossFit athlete and fitness enthusiast. He is passionate about combining cardiovascular science with functional training and leads the ROS-HIIT program as both director and trainer. His personal commitment to fitness and health serves as an inspiration for his patients and the broader community.

Lifestyle

Personal Insights

Dr. Rehan Omar exemplifies the principle of practising what you preach. As a cardiologist who is also an expert CrossFit athlete, he maintains a disciplined fitness routine alongside a demanding medical career. He practices at National Medical Center (Sat, Tue, Thu: 3pm–5pm) and Lyfe Healthcare Clinics (Mon–Fri: 6pm–9pm), while dedicating his remaining time to the ROS-HIIT CrossFit Programme and community health education.

Impact & Influence

Preventive Cardiology & Public Health: An avid speaker and mentor who has delivered over 200 talks on diabetes, cardiovascular medicine, and preventive health, educating both medical professionals and the general public.

Fitness-Meets-Medicine Pioneer: Through the ROS-HIIT CrossFit Programme, Dr. Rehan bridges the gap between medical expertise and athletic training, promoting a model where physicians lead by example in fitness and preventive care.

Clinical Excellence: Currently serves at two major healthcare facilities in Karachi, managing complex cases of coronary artery disease, heart failure, peripheral arterial diseases, hypertension, diabetes, and obesity, with a focus on interventional cardiology procedures.

Academic & Research Contributions: Former Professor of Cardiology with more than 10 published research papers, contributing to the academic and scientific advancement of cardiovascular medicine in Pakistan.

Media & Online Presence

Facebook: facebook.com/rehanomarsiddiqi | facebook.com/DrRehanOmar

Instagram: @drofyourhearts

Healthcare Profiles: oladoc.com | marham.pk | healthwire.pk | shifaam.com

FAQ's

Who is Dr. Mohammed Rehan Omar

Dr. Mohammed Rehan Omar is a Consultant Interventional Cardiologist, Former Professor of Cardiology, and Program Director of the ROS-HIIT CrossFit Program based in Karachi, Pakistan. He holds dual FCPS degrees in Medicine and Cardiology and has over 24 years of clinical experience.

He is known for his expertise in interventional cardiology, management of complex cardiometabolic cases, and for being a physician who is also an accomplished CrossFit athlete and fitness trainer. He has delivered over 200 talks on cardiovascular health and preventive medicine.

Dr. Rehan Omar currently practices at National Medical Center (Sat, Tue, Thu: 3pm–5pm) and Lyfe Healthcare Clinics, Tipu Sultan Road, Karachi (Mon–Fri: 6pm–9pm).

ROS-HIIT is a high-intensity interval training and CrossFit program founded and directed by Dr. Rehan Omar. It uniquely combines cardiovascular science with functional fitness, making it one of the few physician-led training programmes in Pakistan

He holds an MBBS from Allama Iqbal Medical College, Lahore (1995), FCPS in Internal Medicine from Civil Hospital Karachi (2003), and FCPS in Cardiology from the National Institute of Cardiovascular Diseases, Karachi (2009). He is also ranked among the Top 50 by the Pakistan Society of Interventional Cardiology.

DR. REHAN OMAR SAYS

“The heart is not just an organ to treat – it’s a lifestyle to protect. As a cardiologist and an athlete, I believe prevention through fitness, nutrition, and awareness is the most powerful medicine we have.”

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