Nephrology & Urology | Doctors | Aster Medcity

Nephrology & Urology

One of the most advanced facilities in the region for comprehensive kidney and genitourinary care, the Centre of Excellence in Nephrology & Urology at Aster Medcity offers specialised nephrology, urology, andrology, kidney transplant and minimal access robotic surgery services to patients of all ages.

The first facility of its kind in Kerala to offer high-precision robotic kidney and urology surgery, this centre offers a wide range of therapeutic technology/ support including haemodialysis and peritoneal dialysis. What sets this centre apart is the outstanding team of doctors comprising highly experienced nephrologists, urologists, renal transplant surgeons, anaesthetists, critical care experts and renal pathologists. Multidisciplinary in approach, they provide optimal, evidence-based treatment to patients with the support of an award winning team of nurses, renal dieticians, rehabilitation experts and qualified technicians.

Aster Centre of Excellence in Nephrology & Urology has several landmark achievements to its credit, including the honour of being the third centre in the world to perform a robotic transvaginal renal transplant surgery and the first in India to perform a robotic kidney tumour removal.

The first facility in Kerala to offer robotic surgery using high-precision da Vinci surgery system, the centre also offers state-of-the-art diagnostic and clinical support including South Asia’s first OR1 Karlstorz Fusion Integrated Surgical Suites, India’s fisrt Flat Panel Biplane Vascular Hybrid Cath Lab, South India’s first IntelliSpace Critical Care and Anaesthesia (ICCA) ICUs and Kerala’s first PET-CT Scan with Time Of Flight Technology.



Dr. V. Narayanan Unni

Senior Consultant

Dr-narayan-unni sr-consultant

One of the most respected medical professionals in the region, Dr. V. Narayanan Unni is is a Nephrologist with more than 31 years of experience to his credit. A expert in management of complex kidney disorders, his areas of special interest include kidney transplantation and hemodialysis. A key opinion leader for kidney transplantation in the International Transplantation Society, he has played an instrumental role in creating awareness on organ transplantation in Kerala. Dr. Narayanan Unni is the Director of Academic Affairs of Aster Medcity.


FRCP (Glasgow, UK) | FISN|DM in Nephrology (PGIMER, Chandigarh) | DNB (National Board of Examinations, New Delhi) | MD in General Medicine (CMC, Vellore) | MBBS (Calicut Medical College)


Professor & Head of Nephrology - Amrita Institute of Medical Sciences

Asst. Professor, Associate Professor, Professor & Head of Nephrology-Kasturba Medical College, Manipal

Nephrologist, Dammam Central Hospital, K.S.A.

Awarded the Fellowship of Royal College of Physicians and Surgeons (Glasgow, UK)

Fellowship of Indian Society of Nephrology

Key Opinion Leader in Kidney transplantation of the International Transplantation Society

Member of many national and international professional associations in Nephrology

Invited to deliver talks and guest lectures at national and international conferences.

President of Nephrology Association of Kerala

Published 54 articles in International and Indian Medical Journals

Fellowship of Indian Society of Nephrology

Recipient of six Gold Medals for MBBS

Chapters in textbooks - Essentials of Nephrology and Urology, Renal Replacement therapy in Text Book of Medicine &Text book of Medicine

Examiner for DM in Nephrology at P.G.I.M.E.R Chandigarh,C.M.C. Hospital, Vellore , Sri Ramachandra University, Chennai & Amrita Viswa Vidyapeetham University

Examiner for Nephrology in the National Board of Examinations, New Delhi

Proficient in English, Malayalam, Hindi


Dr. Jojo Pullockara

Senior Consultant


A highly trained Nephrologist, Dr. Jojo Pullockara has more than 19 years of experience in management of kidney diseases in both adults and children. His areas of special interest are Critical Care Nephrology and Transplant.


DM in Nephrology (Govt. Medical College, Kottayam) | DNB in Nephrology | MD in Internal Medicine (Govt. Medical College, Thiruvananthapuram) | MBBS ((Govt. Medical College, Thiruvananthapuram)


Asst. Professor, Department of Nephrology, Amrita Institute of Medical Sciences

Teaching Post Graduates - DM/DNB Nephrology

Consultant, Little Flower Hospital

Proficient in Malayalam, Hindi, English


Dr. Kishore T.A


Dr-kishore consultant

One of the top Urologists in the region, Dr. Kishore T A has more than 13 years of experience in comprehensive management of complex genitourinary diseases. Trained at some of the finest medical institutes in the United States and India, he is an expert in robotic surgery, renal transplantation, urological oncology, advanced endourology and laparoscopic urology.

Dr. Kishore is the first Urologist to perform NOTES assisted vaginal donor nephrectomy, robotic assisted radical nephrectomy and IVC thrombectomy in India; the third in the world to perform Transvaginal Assisted Robotic Renal Transplantation; the fourth in world to complete 50 robotic renal transplantation surgeries and first in south India to perform Robotic Assisted Renal transplantation.


Fellowship in Robotic Surgery (Columbia University Division Of Urology, Miami, United States) | Fellowship in Urologic Oncology (University of Miami & Accredited by the Society of Urologic Oncology) | Fellowship in Endurology (University of Minnesota & Accredited by the Endo Urological Society) | MCh in Urology (Govt. Medical College, Kottayam) | DNB in General Surgery (National Board of Examinations, India) | DNB in Urology (National Board of Examinations, India) | MRCS (Royal College of Surgeons, Edinburgh, United Kingdom) | M S in General Surgery (Govt. Medical College, Calicut) | MBBS (Govt. Medical College, Thrissur)

Areas Of Expertise

Robotic Surgery: Robotic Prostatectomy /Cystectomy, Partial Nephrectomy

Laparoscopy: Partial Nephrectomy, Radical Nephrectomy, Donor Nephrectomy

Genitourinary Oncology: Open/ Laparoscopic and Robotic Prostatectomy, Cystectomy, Neobladder

Robotic Renal Transplantation

Advanced ablation procedures like RFA, Cryotherapy

Endourology procedures including Flexible Ureteroscopy, PCNL, TURP, TURBT, laser prostate surgeries


Performed more than 600 laparoscopic donor nephrectomies & renal transplantations

Performed over 500 robotic surgeries including 200 robotic radical prostatectomies

First in India to perform NOTES assisted Vaginal Donor Nephrectomy

First in India to perform robotic radical nephrectomy and IVC thrombectomy

Third person in the world to perform transvaginal assisted robotic renal transplantation

Fourth in the world to complete 50 robotic renal transplants

First in South India to perform robotic renal transplant

First in Kerala to perform Single Incision Donor Nephrectomy

First surgeon in Kerala to use da Vinci Surgery Robot (at Aster Medcity, Kochi)

Has the second largest published series in the world on NOTES assisted vaginal donor nephrectomy

Worked As

Associate Urologist, MS Ramaiah Hospital and Medical College, Bangalore

Assistant Professor of Urology, Amala Cancer Centre and Medical College, Thrissur

Teaching Instructor in Oncology and Sexual rehabilitation, Department of Urology, University of Miami

Consultant Urologist & Transplant Surgeon, Department of Urology, Medical Trust Hospital, Kochi

Awards & Accolades

Chandigarh best video prize USICON 2016

Best video award in SZUSICON 2015 and 2016

Chandigarh best video prize USICON 2013

Best paper award Indian Journal of Urology 2013

Best video award UAKON 2013

SS Bapat prize for the best innovation in urology in USICON 2014

Editorial Memberships

Member of the Editorial Board of:

International Journal of Urology and Nephrology

Asian Network for Scientific Information

Open Urology and Nephrology Journal

Open Prostate Cancer Journal


Journal of Endourology
; Journal of Urology, Urologic Oncology; European Urology; British Journal of Urology; Advances in Urology; International Journal of Urology and Nephrology; BMC Urology;
 International Journal of Urogynecology,; International Journal of Nephrology and Urology;
 Urotoday International and
 Urology Journal Publications

Published 38 articles

Proficient in English, Malayalam, Hindi


Dr. Vinod Kumar K


Dr-vinod-kumar-k s-specialist

Dr. Vinod Kumar K is Consultant, Nephrology. He specialises in General Nephrology and his areas of special interest are critical care nephrology and renal transplantation. He is former Assistant Professor of General Medicine at Kannur Medical College.


DNB in Nephrology (St. John’s Medical College, Bangalore)| MD (KIMS , Hubli) | MBBS (JSS Medical College ,Mysore)


Asst. professor, General Medicine, Kannur medical College

Senior Resident, Department of Nephrology, St. John’s Medical College, Bangalore

BMH Care Hospital

Published multiple articles in national and international journals

Proficient in English, Malayalam, Hindi & Kannada


Dr. Vishnu Raveendran

Senior Specialist

Vishnu 439x300

An Urologist with more than 6 years of experience in comprehensive management of genitourinary diseases and disorders in adults, Dr. Vishnu has specialised training in urological laparoscopy/ endoscopy surgery and advanced endourology procedures like HoLEP (laser assisted removal of the prostrate), endoscopic stone removal (RIRS) and PCNL & mini PCNL (percutaneous stone extraction).


MCh in Urology (Govt. Medical College, Thiruvananthapuram) | DNB in Urology (National Board of Examinations, New Delhi) | MS in General Surgery (JIPMER, Pondicherry) | MBBS (T D Medical College, Alappuzha)


Trained in all advanced urology/ endourology procedures for management of kidney and genitourinary related diseases and disorders.

Part of the MARS (Minimal Access Robotic Surgery) team at Aster Medcity that has various landmark achievements to its credit.

More than 9 years of teaching experience in surgery.

Reviewer of World Journal of Surgical Oncology.

Worked as a medical officer in health service and later as a research officer in Filariasis Chemotherapy Unit.

Presented papers at national and international conferences.

Awarded best video prize in 2015 by the State Chapter in urology.

Published articles in international peer reviewed journals.

Published papers on advanced robot assisted kidney transplantation.

Invited to the Best Video Session of the prestigious AUA (American Urological Association) Annual Meet, San Francisco 2018.

Proficient in Malayalam, English, Tamil, Hindi.


Dr. Bipi PK


Bipi pk dtl page

A Nephrologist, Dr. Bipi PK is trained in critical care nephrology, paediatric nephrology and renal transplantation. He is also a trained General Physician.


DM in Nephrology (Govt. Medical College, Thiruvananthapuram) | MD (Govt. Medical College, Chennai) | MBBS (TD Medical College, Alappuzha)


Department of Paediatric Nephrology, SAT hospital, Thiruvananthapuram

Lecturer in Nephrology, Medical College, Thiruvananthapuram

Consultant Physician, Co-operative Hospital, Thodupuzha

Proficient in English, Hindi, Malayalam andTamil


Nephrology Facilities


Outpatient Division

  • Outpatient Consultation for patients of all ages.
  • Measures to detect, prevent and stop progression of kidney diseases
  • Close follow-up and advice on management of different forms kidney diseases (along with the team of social workers, nurses and renal dieticians).

Inpatient Services

Haemodialysis Unit (for treatment of patients with kidney failure)

  • Conventional Haemodialysis
  • Continuous Haemodialysis
  • Slow low efficiency Dialysis
  • Haemofiltration
  • Haemoperfusion
  • Plasmapheresis

Peritoneal Dialysis unit (for management of patients with renal failure)

  • Intermittent Peritoneal Dialysis
  • Continuous Peritoneal Dialysis

Kidney Transplantation

Live related donor kidney transplantation (performed by a team of Nephrologists, Urologists and Anaesthesiologists)

Urology Facilities


Outpatient & Day care Division

  • Outpatient Consultation for patients of all ages
  • Extracorporeal shock wave Lithotripsy for renal and ureteric stones
  • Flexible Cystoscopy for both diagnostic and therapeutic procedures
  • Transrectal Ultrasound guided prostrate biopsy
  • Minor procedures like urethral dilatation, suture removal, BCG installation

Inpatient Services


  • Donor Nephrectomy
  • Laparoscopic Pyeloplasty
  • Radical Nephrectomy
  • Radical Prostatectomy
  • Varicocele Surgery

Robotic Surgery

  • Minimally invasive Robotic Surgery using high-precision da Vinci Surgical Robot - Radical Prostatectomy, Donor Nephrectomy and other surgical procedures

Laser Surgery

  • Laser therapy for treatment of stones (PCNL, RIRS)
  • Treatment of bladder obstruction by prostate (HoLEP