Dr. Kenneth E. Grant, Pediatric Gastroenterology

An expert in the field of pediatric gastroenterology, Dr. Grant specializes in the treatment and management of pediatric gastroenterology disorders, with particular emphasis in growth and development.

On the forefront of the latest research and treatment methods, Dr. Grant’s clinical interests include nutrition, growth and development, inflammatory bowel disease and eosinophilic esophagitis. Dr. Grant is conducting studies of noninvasive techniques for diagnosing and monitoring eosinophilic esophagitis using an imaging technique that will measure the natural fluorescence of the eosinophils. Dr. Grant is working to combine CHOC Children’s Eosinophilic Esophagitis Clinic with the autism clinic so that the two treatment teams can work together on autism research.

A nationally-recognized expert in pediatric gastroenterology, Dr. Grant has been published in numerous books and journals, including the text Office Pediatrics and the journals of Pediatric Gastroenterology and Nutrition, the Annals of Surgery, and Gastroenterology.

Dedicated to clinical excellence, Dr. Grant is board certified in pediatric gastroenterology. Prior to joining CHOC Children’s, Dr. Grant attended medical school at Albany Medical College in New York. He completed both his internship and residency at Children’s Hospital of Buffalo in New York and served his fellowship at Massachusetts General Hospital in Boston.

A highly respected physician, Dr. Grant has received the Orange County Medical Association’s Physicians of Excellence award multiple years running and is consistently voted as one of Orange County’s Top Doctors.

Clinical Interests

Nutrition, growth and development, inflammatory bowel disease, and eosinophilic esophagitis

Research Focus

Noninvasive techniques for diagnosing and monitoring eosinophilic esophagitis


CHOC Children’s Clinic
1201 W. La Veta Ave. Building: CHOC Clinic
Orange, CA 92868
phone: 888-770-2462
fax: 855-246-2329

2801 Atlantic Avenue
Long Beach, CA 90806
phone: (562) 933-3009
fax: (562) 933-8569

500 Superior Ave 140
Newport Beach, CA 92663
phone: (949) 631-3603
fax: (877) 484-4017

Fountain Valley Regional Medical Center
17100 Euclid St
Fountain Valley, CA 92708

Saddleback Memorial Medical Center
24451 Health Center Dr
Laguna Hills, CA 92653

Miller Children’s Hospital
2801 Atlantic Ave
Long Beach, CA 90806

CHOC Children’s at Mission Hospital
27700 Medical Center Rd
Mission Viejo, CA 92691

Hoag Memorial Presbyterian Hospital
1 Hoag Dr
Newport Beach, CA 92663

St Joseph Hospital
1100 W Stewart Dr
Orange, CA 92868

Western Medical Center
1001 N Tustin Ave
Santa Ana, CA 92705

11100 Warner Ave. 368
Fountain Valley, CA 92708

CHOC Children’s Health Center – Mission Viejo
26691 Plaza Suite 130
Mission Viejo, CA 92691

CHOC Children’s Specialty Center – Newport Beach
500 Superior Ave. 140
Newport Beach, CA 92663

725 W. La Veta Ave. 100
Orange, CA 92868

CHOC Children’s Specialists Otolaryngology
1010 W. La Veta Ave. 640
Orange, CA 92868

CHOC Children’s Health Center at PIH Health
15725 E Whittier Blvd., #300
Whittier, CA 90603

Administrative Appointments

  • Chair, Gastroenterology, CHOC Children’s
  • Gastroenterology, CHOC Children’s Specialists


  • Clinical & Research Fellowship
    Pediatric Gastroenterology & Nutrition
    Massachussetts General Hospital & Boston Children’s Hospital, Boston, MA
  • Medical School
    Albany Medical College, 47 New Scotland Ave, Albany, NY
  • Pediatric Residency
    Children’s Hospital of Buffalo, Buffalo, NY
  • Research and Teaching Fellowship, NIH Training Grant
    Department of Nutrition and Food Science
    Massachussets Institute of Technology, Boston, MA

Honors and Awards

  • Orange County Medical Association’s Physicians of Excellence 2010-2012


  • Nguyen, TT, Dyer DL, Dunning DD, Rubin SA, Grant KE, and Said HM. Folate transport in human intestine: isolation of a cDNA clone, functional expression in Xenopus oocytes, and tissue distribution of complementary RNA. Gastro 112(3):783-91, 1997
  • McCloud E, Dyer DL, Grant KE, and Said HM. Uptake of L-Carnitine by human intestinal epithelial cell line, Caco-2. Gastro 111(6): 1534-40, 1996.
  • Said HM, Ma TY and Grant KE. Regulation of riboflavin intestinal uptake by protein kinase A: Studies with cultured human-derived Caco-2 cells. Am J Physiol 267:G955-59, 1994
  • McCloud E, Mathis RK, Grant KE, and Said HM. Intestinal uptake of uridine in suckling rats: Mechanism and ontogeny. Pro Soc Exp Biol Med 206 (4):425-30, 1994
  • Firouzbakhsh S, Mathis R. Dorchester W, Osease R, Groncy P, Grant KE, Finklestein J. Measured Resting energy expenditure in children. J Ped Gi and Nutr 16: 136-42, 1993
  • Haratz PR, Carter EA, Sullivan D, Grant KE, et al. Effect of thermal injury in the rat on transfer of IgA protein into bile. An of Surg 210: 203-7, 1989

Our gastroenterologists commonly treat:

  • Kenneth E Grant MD
    • Appointments:
    • Office: 714-509-4099
    • Specialty: Gastroenterology
    • Board Certified: Pediatric Gastroenterology
    • On Staff at: CHOC Children's Hospital and CHOC Children's at Mission Hospital


Gastroenterologist - Dr. Kenneth Grant

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Dr. Kenneth Grant, CHOC Children's pediatric gastroenterologist, explains the symptoms of IBD and the treatment options available.

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