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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

  • Avoiding Dehydration, Proper Hydration
  • 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 Transplant
  • Motility Catheter Placement
  • Pediatric Liver Transplant
  • Percutaneous Endoscopic Gastrostomy (PEG)
  • Sclerotherapy
  • Small Bowel Rehabilitation In Children
  • Small Intestine Short Bowel Rehab
  • Therapeutic Endoscopy
  • Variceal Band Ligation
View all 20 Treatment & Services +

Specialty in Diseases & Conditions

  • Achalasia
  • Alpha-1 Antitrypsin Deficiency
  • 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)
  • Gastrointestinal (GI) Bleeding
  • Giardiasis
  • Glycogen Storage Disease
  • Growth Failure in Children with Kidney Disease
  • Hemolytic Uremic Syndrome in Children
  • Hepatitis B
  • Hepatitis C
  • Hirschsprung's Disease
  • Inflammatory Bowel Disease (IBD)
  • Intestinal Failure
  • Intestinal Pseudo-Obstruction
  • Lactose Intolerance
  • Malnutrition
  • Metabolic Diseases
  • Milk Allergy
  • Mitochondrial Disease
  • Necrotizing Enterocolitis
  • Pancreatic Disease
  • Pancreatitis
  • Pediatric Crohn's Disease
  • Pediatric Cyclic Vomiting Syndrome
  • Peptic Ulcer Disease
  • Primary Sclerosing Cholangitis
  • Radiation Enteritis
  • Short Bowel Syndrome
  • Small Bowel Bacterial Overgrowth
  • Swallowing Disorders
  • Tracheoesophageal Fistula
  • Ulcerative Colitis
View all 48 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.

Read an article: Case Study: Copper Deficiency in a Young Patient With Short Bowel Syndrome

Listen to a podcast: What is Glycogen Storage Disease (GSD)?

Education & Professional Highlights

Education & Professional Highlights


Education & Fellowships

Fellowship - Cleveland Clinic
Pediatric Gastroenterology
Cleveland, OH United States

Residency - Cleveland Clinic
Cleveland, OH

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

Internship - Cleveland Clinic
Cleveland, OH

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,

Residency - Medical College, University of Kerala

Medical Education - 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 Transplant Hepatology
  • Pediatrics - Pediatric Gastroenterology

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 8/2/2023, 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

47 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
4.9 out of 5
Explains 4.9
Courtesy, Respect & Concern 5
Time Spent with Patient 5
Patient Rating of Doctor 5

14 Patient Comments

Reviewed on May 10, 2024

Such a kind doctor ! He's amazing !

Reviewed on Mar 19, 2024

Scheduling appointments with Dr. Radhakrishnan's office has always been very easy. The doctor's office always try to accommodate me even though I have restrictions as I am not well in the mornings.

Reviewed on Mar 19, 2024

Dr. Radhakrishna knows my history very well and has helped me heal without aggressive treatments. Dr. Krishna also is very respectful and listens to my concerns without any rush. I feel very comfortable under his care.

Reviewed on Mar 19, 2024

I am very impressed by Cleveland clinic's staff and specifically Dr. Radhakrishna.

Reviewed on Mar 4, 2024

Excellent care and communication. We appreciate Dr. Rad talking to our child directly and asking about interests outside of his dx.

Reviewed on Feb 13, 2024

Dr Radakrishnan is definitely one of family's favorite at Cleveland Clinic. He has provided excellent care for my child and makes him feel comfortable.

Reviewed on Jan 9, 2024

Dr. Radhakrishnan was amazing. He listened to our concerns and genuinely cared. He has excellent bedside manner and it is clear how respected he is at the Cleveland Clinic. His knowledge within his field and how kindly he interacts with patients makes him an asset to the Cleveland Clinic.

Reviewed on Dec 15, 2023

I would recommend Dr Radakrishnan to others.

Reviewed on Dec 8, 2023

Dr. Radhakrishnan was fantastic. He always puts my disabled son at ease. He is also very patient with me! I highly recommend him!!!

Reviewed on Dec 8, 2023

Dr. Radhakrishnan is amazing. We adore him!

Reviewed on Nov 3, 2023

Dr. Krishnan is an exceptional doctor who cares for my son as if he was his own. We are always so very grateful to have him as my son's doctor. He is like family to us.

Reviewed on Oct 19, 2023

Dr. Radakrishnan is by far one of the best doctors that we have ever had on our care team. He has an amazing bedside manner and makes every appointment wonderful.

Reviewed on Jul 28, 2023

Dr Radakrishnan is always very caring with my child. My child is always extremely happy to see him. We will definitely recommend him to others.

Reviewed on Jul 14, 2023

Dr Radakrishnan is awesome!!

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