Diabetes Specialist

Dr. Rajnish Kumar

Dr. Rajnish Kumar hails from the region of Delhi – NCR, India. He received his Medical Degree from the University of Delhi, India, Graduating (2004) and Post Graduation in Internal Medicine (2013) and Anesthesiology (2009).



General Physician


Association of physicians of India

Indian society of Anaesthesiologists (isa)


Grand Cayman, Cayman Islands is now his new home away from home, as he has been practicing Medicine & Diabetology here.

He started practicing medicine in January 2005. Since then, he has dedicated his life to this noble profession. In 2015, he got trained in Clinical Diabetology.

Dr. Kumar is an expert in dealing with complicated diabetes cases. Being a tech-savvy guy, he took maximum advantage of upcoming technology by integrating them into the field of diabetology & preventive medicine.

Dr. Kumar is always warm and empathetic to all his patients as he fully understands the overwhelming emotions that a clinical visit may sometimes bring. He strongly believes in “prevention is better than cure”. His focus has always been on quality care, and he pursues hours of continuing medical education to achieve the highest standards of care that he further provides to his patients.

He has been taught and mentored by exceptional specialists in the fields of Internal Medicine, Diabetology & Critical Care. He is always willing to actively give back to society in all ways possible when called upon.

Dr. Kumar enjoys Blog Writing, Health Talks, Community Health Work, Physical Workouts, Cooking, Music and Chess Playing.

His idols in life – his Parents.

His professional Motto:

  • Who diagnoses a disease is a doctor.
  • Who treats a disease is a good doctor.
  • Who prevents disease is a great doctor.



M.D. (Internal Medicine),

P.G. Diploma (Anesthesiology and Critical Care)

P.G. Certificate in Clinical Diabetology

Awards and honours

Certification in chronic renal failure – 2019

NABH certificate course – 2018

Advanced certification in diabetology – Harvard Medical School – 2015

Certification in IBS management (The Johns Hopkins University School of Medicine)

Infectious disease certificate course –PDHH, Mumbai – 2012

Hospital waste management certification, (New Delhi) – 2010

Advanced cardiac life support training, (Apollo Hospital, New Delhi) – 2008