Dr. Kenneth E. Grant, Pediatric Gastroenterology

Dr. Kenneth E. Grant, Pediatric Gastroenterology

  • Kenneth E Grant MD
  • Appointments:
  • Office: 714-509-4099
  • Specialty: Gastroenterology
  • Board Certified: Pediatric Gastroenterology

An expert in the field of pediatric gastroenterology, Dr. Grant specializes in the treatment and management of pediatric gastroenterology disorders. Dr. Grant also has many leadership roles supported by his expertise in clinical informatics.

On the forefront of the latest research and treatment methods, Dr. Grant’s clinical interests include nutrition, growth and development, autism, and inflammatory bowel disease. Dr. Grant leads the CHOC Inflammatory Bowel Disease Program. The IBD Program is engaged in many research efforts including drug trials, care models, disparities and population health. The Program is proud to be an active participant in Improve Care Now, a world-wide quality improvement network.

A nationally recognized expert in pediatric gastroenterology, Dr. Grant has been published in numerous books and journals. Dr. Grant presents regularly at local and national meetings related to his clinical and informatics roles. Dr. Grant is an educator for the UC Irvine Pediatric Residency Program, the UC Irvine Clinical Informatics Fellowship Program and the CHOC MI3 Program.

Dedicated to clinical excellence, Dr. Grant is board certified in Pediatric Gastroenterology. Supporting his leadership roles, Dr. Grant is board certified in Clinical Informatics. Prior to joining CHOC, 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 and Children’s 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, autism, and inflammatory bowel disease

Research Focus

Inflammatory Bowel Disease and population health

Kenneth E Grant MD is on staff at CHOC Hospital in Orange and CHOC Mission Hospital.


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

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

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

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

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

CHOC Center for Children’s Health
Building: Joe C. Wen & Family Center for Advanced Care, UCI Health – Irvine
19200 Jamboree Rd., Suite 2000
Irvine, CA 92612


  • 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
    Massachusets Institute of Technology, Boston, MA

Administrative Appointments

  • Associate Division Chief, CS Gastroenterology, CHOC Specialists
  • Physician Informaticist, CHOC
  • Co-Medical Director Telehealth, CHO

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:


Gastroenterologist - Dr. Kenneth Grant
About the Inflammatory Bowel Disease Program

CHOC offers a comprehensive Inflammatory Bowel Disease Program that provides expert diagnosis, treatment and symptom management for children of all ages.

Dr. Kenneth Grant, Gastroenterologist
When a Child Has Inflammatory Bowel Disease (IBD)

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

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