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Department Pediatric Gastroenterology, Hepatology, and Nutrition
Primary Location Cleveland Clinic Main Campus
Type of Doctor Children & Adolescents Only
Languages English, Hindi
Surgeon No
Cleveland Clinic Main Campus
Primary Location

Cleveland Clinic Main Campus

Specialties & Treatments

Treatment & Services

  • Care of GI Problems in Metabolic Disorders
  • Care of Liver Related Metabolic Problems
  • Care of Liver Transplant Patients
  • Center for Pediatric Gastroenterology
  • Colonoscopy
  • Diagnostic Endoscopy
  • Endoscopy
  • Hydrogen Breath Test
  • Infusion Therapy
  • Lactose and Glucose Hydrogen Breath Test
  • Liver Transplantation
  • Motility Catheter Placement
  • Pediatric Liver Transplantation
  • Percutaneous Endoscopic Gastrostomy (PEG)
  • Sclerotherapy
  • Small Bowel Rehabilitation In Children
  • Small Intestine Short Bowel Rehab
  • Therapeutic Endoscopy
  • Variceal Band Ligation
View all 19 Treatment & Services +

Specialty in Diseases & Conditions

  • Achalasia
  • Alpha-1 Antitrypsin Deficiency
  • Avoiding Dehydration, Proper Hydration
  • Biliary Atresia
  • Bowel Incontinence
  • Celiac Disease (Celiac Sprue)
  • Cirrhosis
  • Constipation
  • Crohn's Disease
  • Cyclic Vomiting Syndrome
  • Diseases of the Liver Biliary Tract and Pancreas
  • Eosinophilic Esophagitis
  • Eosinophilic Gastroenteritis
  • Failure To Thrive
  • Foreign Body Ingestion
  • Gallbladder Disease
  • Gallstones
  • Gastritis
  • Gastroenteritis
  • Gastroesophageal Reflux (GERD)
  • GI Bleeding
  • Giardiasis
  • Glycogen Storage Disease
  • Hemolytic Uremic Syndrome in Children
  • Hepatitis B
  • Hepatitis C
  • Hirschsprung's Disease
  • Inflammatory Bowel Disease (IBD)
  • Intestinal Failure
  • Intestinal Pseudo-Obstruction
  • Lactose Intolerance
  • Liver Disease
  • Malnutrition
  • Metabolic Diseases
  • Milk Allergy
  • Mitochondrial Disease
  • Necrotizing Enterocolitis
  • Pancreatic Disease
  • Pancreatitis
  • Pediatric Crohn's Disease
  • Pediatric Cyclic Vomiting Syndrome
  • Pediatric Growth Failure In Children With Kidney Disease
  • Peptic Ulcer Disease
  • Primary Sclerosing Cholangitis
  • Radiation Enteritis
  • Short Bowel Syndrome
  • Small Bowel Bacterial Overgrowth
  • Swallowing Disorders
  • Tracheoesophageal Fistula
  • Ulcerative Colitis
View all 50 Specialties +


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About Kadakkal Radhakrishnan, MD

Dr. Kadakkal Radhakrishnan, MBBS, MD (Peds), DCH, MRCP (UK), MRCPCH, FAAP, is a Pediatric Gastroenterologist and Hepatologist at Cleveland Clinic. He was born in Trivandrum, Kerala, India. Dr. Radhakrishnan has been on Faculty in the Department of Pediatric Gastroenterology at Cleveland Clinic since June 2006. He also has  joint appointment as Assistant Professor at the Cleveland Clinic Lerner College of Medicine of Case Western Reserve University.

Dr. Radhakrishnan's areas of interest involve liver disorders in children, care of children after liver transplantation and small-bowel transplantation. He also has an interest in metabolic disorders involving the liver and care of gastrointestinal manifestations in children with metabolic disorders. Dr. Radhakrishnan, however, follows all types of pediatric gastroenterology problems in his clinic. He also performs upper and lower endoscopy and endoscopically places gastrostomy feeding tubes. In conjunction with Dr. Sumit Parikh from Pediatric Neurology, he runs the Cyclic Vomiting Syndrome Clinic for children.

Dr. Radhakrishnan completed his basic medical training at Medical College Trivandrum, Kerala, India, in 1992. He subsequently trained in pediatrics at S.A.T Hospital affiliated with the Medical College Trivandrum, India. Dr. Radhakrishnan underwent further training in pediatrics in the United Kingdom for over 4 years, and after passing his Pediatrics Board was made a Member of the Royal College of Physicians (MRCP) and Member of the Royal College of Pediatrics and Child Health (MRCPCH). Dr. Radhakrishnan is board-certified in pediatrics in the United States after completing his residency at Cleveland Clinic. He completed fellowship training in pediatric gastroenterology and hepatology at Cleveland Clinic and is also board certified in Pediatric Gastroenterology and in Pediatric Transplant Hepatology. His pediatric experience spans over 19 years, and he has over 8 years of pediatric gastroenterology experience.

Dr. Radhakrishnan is a keen teacher involved in the teaching of medical students, residents and fellows. He was voted by the pediatric residents at Cleveland Clinic as Staff Teacher of the Year for 2007. Dr. Radhakrishnan's research areas include liver disorders and inflammatory bowel disease.

Education & Professional Highlights

Education & Professional Highlights


Education & Fellowships

Fellowship - Cleveland Clinic
Pediatric Gastroenterology
Cleveland, OH USA

Medical Education - Leicester General Hospital
Neonatal Intensive Care/General Pediatrics

Residency - Cleveland Clinic
Cleveland, OH USA

Internship - Cleveland Clinic
Cleveland, OH USA

Medical Education - Northampton General Hospital
Specialist Registrar in Pediatrics

Medical Education - Wexham Park Hospital
Senior House Officer in Pediatrics
Slough, Berkshire,

Medical Education - Rotary Clinic & Hospital
Registrar in Pediatrics
Poojappura, Trivandrum,

Medical Education - Medical College, University of Kerala

Residency - Medical College, University of Kerala

Medical Education - Medical College, University of Kerala

Undergraduate - Government Arts College
Trivandrum, India,

Additional Training

  • Pediatric Residency, S.A.T. Hospital, Trivandrum, Kerala, India, 1992-1995
  • Pediatric Training, Royal College of Physicians, U.K; Training at Leicester Teaching Hospital Rotation, 3 years, and at Slough District Hospital,1 year; 1996-2000

Professional Highlights

  • Medical Director, Nutritional Support and Intestinal Rehabilitation, Children's Hospital, Cleveland Clinic
  • Assistant Professor of Pediatrics, Cleveland Clinic Lerner College of Medicine, Case Western Reserve University
  • Cyclic Vomiting Clinic, Cleveland Clinic; third clinic in the nation for this disorder for children. Dr. Radhakrishnan runs clinic in conjunction with Dr. Sumit Parikh, Pediatric Neurology, Cleveland Clinic.


  • Pediatrics - Pediatric Gastroenterology
  • Pediatrics - Pediatric Transplant Hepatology

Specialty Interests

Chronic pancreatitis, cyclic vomiting, diagnostic and therapeutic endoscopy, Intestinal failure and small bowel rehabilitation in children, liver disorders in children and care of liver transplant patients, metabolic disorders - GI problems in metabolic disorders and liver related metabolic problems, including Glycogen Storage Disease

Awards & Honors

  • Best Doctor, Pediatric Gastroenterology, 2009 onwards
  • America's Top Gastroenterologists, Consumers' Research Council of America, 2006 onwards
  • Staff Teacher of the Year, voted by pediatric residents, Cleveland Clinic, 2007


  • American College of Gastroenterology
  • American Gastroenterological Association
  • American Association for Study of Liver Disease
  • Permanent Registration, State Medical Board of Ohio
Research & Publications

Research & Publications

See publications for Kadakkal Radhakrishnan, MD.

(Disclaimer: This search is powered by PubMed, a service of the U.S. National Library of Medicine. PubMed is a third-party website with no affiliation with Cleveland Clinic.)

Industry Relationships

Industry Relationships

Cleveland Clinic physicians and scientists may collaborate with the pharmaceutical or medical device industries to help develop medical breakthroughs or provide medical expertise or education. Cleveland Clinic strives to make scientific advances that will benefit patient care and support outside relationships that promise public benefit. In order for the discoveries of Cleveland Clinic physicians' and scientists' laboratories and investigations to benefit the public, these discoveries must be commercialized in partnership with industry. As experts in their fields, Cleveland Clinic physicians and scientists are often sought after by industry to consult, provide expertise and education.

To assure professional and commercial integrity in such matters, Cleveland Clinic maintains a program that reviews these collaborations and, when appropriate, puts measures in place to minimize bias that may result from ties to industry. Cleveland Clinic publicly discloses the names of companies when (i) its physicians/scientists receive $5,000 or more per year (or, in rare cases, equity or stock options) for speaking and consulting, (ii) its physicians/scientists serve as a fiduciary, (iii) its physicians/scientists receive or have the right to receive royalties or (iv) its physicians/ scientists hold any equity interest for the physician's/scientist's role as inventor, discoverer, developer, founder or consultant.* In publicly disclosing this information, Cleveland Clinic tries to provide information as accurately as possible about its physicians' and scientists' connections with industry.

As of 4/15/2021, Dr. Radhakrishnan has reported no financial relationship with industry that is applicable to this listing. In general, patients should feel free to contact their doctor about any of the relationships and how the relationships are overseen by Cleveland Clinic. To learn more about Cleveland Clinic's policies on collaborations with industry and innovation management, go to our Integrity in Innovation page.

Public Health Service-Reportable Financial Conflicts of Interest. Cleveland Clinic scientists and physicians engage in basic, translational and clinical research activities, working to solve health problems, enhance patient care and improve quality of life for patients. Interactions with industry are essential to bringing the researchers' discoveries to the public, but can present the potential for conflicts of interest related to their research activities. Click here to view a listing of instances where Cleveland Clinic has identified a Public Health Service (PHS)-Reportable Financial Conflict of Interest and has put measures in place to ensure that, to the extent possible, the design, conduct and reporting of the research is free from bias.

* Cleveland Clinic physicians and scientists subscribe to the guidance presented in the PhRMA Code on Interactions with Healthcare Professionals and the AdvaMed Code of Ethics on Interactions with Health Care Professionals. As such, gifts of substantial value are generally prohibited.

Patient Satisfaction Reviews

59 Patient Satisfaction Reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our nationally-recognized Press Ganey Patient Satisfaction Survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Responses are measured on a scale of 1 to 5 with 5 being the best score.

The comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Cleveland Clinic.

Overall Star Ratings
5 out of 5
Explains 4.9
Listens 5
Courtesy, Respect & Concern 5
Time Spent with Patient 5
Patient Rating of Doctor 5

17 Patient Comments

Reviewed on Jul 27, 2021

Dr. Radhakrishnan is very genuine and takes my health very seriously. He is very knowledgeable and cares about his patients.

Reviewed on Jul 20, 2021

We love Dr. R. He is so wonderful about educating our son the important about staying well and teaching him how to care for himself since he is getting older. Always takes his time to make sure our so. Understands everything and even quizzes him to make sure he understands. He is a wonderful doctor. We are so blessed to have him as a GI doctor and the CLINIC is very blessed to have him!

Reviewed on Jul 16, 2021

I cannot say enough positive and raving things about Dr. Krishnan. He is the best of the best and one of a kind. He always takes as much time as we need to address any of my concerns for my son and he is so incredible with all of us, especially to my son. We are blessed beyond measure to be in his care.

Reviewed on Jun 28, 2021

The GSD clinic is the only place I can get care for my rare condition. Please allow adults with GSD to be admitted under Dr. Radakrishnan for observation and titration of my glucose, insulin and lactates.

Reviewed on Jun 25, 2021

Getting an appointment thru the appointment call center was very difficult however Dr. Radhakrishnan's assistant was extremely helpful in getting an appointment in a timely manner.

Reviewed on Jun 25, 2021

Dr. Krishnan is a phenomenal doctor with so much compassion for his patients. He is by far the best physician we have ever seen!!

Reviewed on May 28, 2021

Dr Rhadhakrishnan's personal staff is amazing.

Reviewed on May 28, 2021

Dr Rhadhakrishnan is the absolute best physician ever. We've seen him for 15 years and never intend to change.

Reviewed on Apr 30, 2021

*Dr. Radhakrishnan is awesome.

Reviewed on Apr 23, 2021

The Dr explained everything really well and answered every question I had. He is fantastic!

Reviewed on Apr 23, 2021

Dr. Radhakrishnan is amazing every appointment. highly recommend

Reviewed on Apr 8, 2021

Dr Radhakrishnan is a really great dr! He makes sure to listen to my concerns and is very good at communicating his treatment plan. The fellow that took care of me, Dr Mistry especially was one of the best doctors I have ever had. She was friendly and caring! She will make an amazing attending doctor one day!

Reviewed on Apr 8, 2021

Dr Radhakrishnan is a fantastic doctor! The fellow, Dr Mistry is fantastic as well. She is one of the best doctors I have ever had!

Reviewed on Apr 5, 2021

Dr. Rad went above and beyond. Warm, caring and a genuinely lovely person to have on our care team

Reviewed on Feb 16, 2021

Dr Krishnan is always a wonderful doctor and very kind. He listens and is concerned of your thoughts for your child. What passion! Love him. Thank you so much for all you have done for us.

Reviewed on Feb 4, 2021

excellent doctor!

Reviewed on Nov 17, 2020

We have recommended this provider several times!

Related Videos Featuring Kadakkal Radhakrishnan, MD

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