Dr. John Abraham Tharayil

MD (General Medicine), DM (Nephrology)

    Dr. John Abraham Tharayil is a distinguished Consultant Nephrologist with specialized expertise in interventional nephrology and kidney transplantation. His extensive qualifications and commitment to patient care have made him a respected figure in the field of nephrology.

    Medical Qualification

    Dr. John holds an MD in General Medicine, demonstrating his comprehensive knowledge in internal medicine. He further pursued advanced training in Nephrology, earning a DM (Doctorate of Medicine) degree. His qualifications reflect his dedication to becoming an expert in the management of kidney-related conditions.


      Established Nephrology Department and started a new Dialysis unit in Smita Memorial Hospital and Research Centre, Thodupuzha, Idukki, Kerala- 685608. Established Interventional Nephrology and started private room dialysis facility in Ernakulam Medical Centre, Kochi-682028. Had been a part of 70 kidney transplant surgeries (both live and deceased) and handled perfusion of graft kidney. Had placed more than 1000 percutaneous tunneled permanent catheters both antegrade & retrograde jugular and femoral under ultrasound & fluoroscopic guidance for hemodialysis. Had performed more than 5000 uncuffed dialysis catheter insertions both jugular and femoral for hemodialysis. Had done more than 100 percutaneous native and graft renal biopsies. Had conducted more than 200 Plasmapheresis and 100 CRRT’s. 11. Have good experience in CRRT and all modalities of dialysis.  Had worked in pediatric nephrology and performed 6 pediatric kidney transplants and more than 10 peritoneal dialysis in children. During M.D residency he was awarded with two national prizes. Speaker and Chairperson for various physical and virtual conferences at State, National and International levels. 

      He specializes in clinical and interventional nephrology, offering a range of advanced procedures, including:

        • Percutaneous Tunneled Permanent Hemodialysis catheter placement in Cath lab (antegrade and retrograde)
        • Temporary Jugular and Femoral Vein Hemodialysis Catheter placement
        • Real-time USG-guided Percutaneous Renal Biopsy and PD catheter placement.

      Memberships & Certificates


      • Basic Course in Biomedical Research as mandated by NMC March 2022


      Dr. John Abraham Tharayil is an active member of various esteemed medical and nephrology organizations.

      • Full Member, ISN (International Society of Nephrology)
      • Life Member, APSN (Asian Pacific Society of Nephrology) 
      • Corresponding Member, ASN (American Society of Nephrology)
      • Life Member, ISN (Indian Society of Nephrology)
      • Life Member, ISOT (Indian Society of Organ Transplantation)
      • Life Member, PDSI (Peritoneal Dialysis Society India)
      • Life Member, SRNM (Society of Renal Nutrition and Metabolism)
      • Life Member, ISHI (Indian Society for Histocompatibility and Immunogenetics)
      • Member, ISGD (International Society of Glomerular Disease)
      • Life Member, IMA (Indian Medical Association)
      • Life Member, NAK (Nephrology Association of Kerala)
      • Life Member, ACN (Association of Cochin Nephrologists)
Dr. John Abraham Tharayil


For Appointments and General Enquiry

0484 2907000 , 4507000

24X7 Emergency

0484 2807266