Essers Jonah B

Jonah B. Essers, MD, MPH

  • Pediatric gastroenterology
Accepting New Patients
1101 Madison
Madison Tower, Suite 800
Seattle, WA 98104
751 NE Blakely Drive
5th Floor
Issaquah, WA 98029

General Information

Originally from Washington D.C., Dr. Jonah Essers completed his medical degree at Columbia University College of Physicians and Surgeons. He then moved back to his hometown of Washington D.C. for his pediatric residency at Children’s National Medical Center, and went on to complete a pediatric gastroenterology fellowship at Boston Children’s Hospital. Dr. Essers also obtained a Master’s in Public Health at Harvard University during his in Boston. At Harvard, Dr. Essers began studying the genetic underpinnings for pediatric inflammatory bowel disease under the mentorship of Dr. Mark Daly at the Broad Institute. He received the Crohn’s and Colitis Foundation of America (CCFA) Research Fellowship Award as a senior fellow. This funding that helped Dr. Essers secure a faculty position at Boston Children’s, and allowed him to focus his efforts on his research. Dr. Essers spent four years working on understanding how genes play a role in dictating clinical behaviors in IBD. Dr. Essers joined the staff at Swedish Medical Center in 2012, and currently practices pediatric gastroenterology at Swedish. He is proud to be a part of the IBD Center at Swedish and particularly enjoys the challenging but very successful IBD transition program where older children with IBD transition to adult GI doctors for the next phase of their life. In the Northwest, Dr. Essers is on the CCFA medical advisory committee. He is a regular speaker at CCFA sponsored events. He also loves volunteering at Camp Oasis.
  • Pediatric gastroenterology
Education Background
Medical School: Columbia University College of Physicians and Surgeons, 2003
Residency: George Washington University Childrens National Medical Center
Fellowship: Harvard University, Childrens Hospital Boston
  • English
  • Hebrew
Professional Associations
Personal Interests
Guitar, cooking, outdoor activities



Child's Belly Discomfort Caused By Allergies

May 25, 2013

This is one of the most common questions that I get asked in the office. Allergic diseases are certainly becoming more and more prevalent in the developed world. General pediatricians and specialists are on ‘high-alert’ for this when evaluating a child that may be sick. Within the realm of intestinal diseases, however, a true allergy is actually not very common. To understand this, we must first understand what ‘allergy’ means.

An allergy is a biologic response from our body’s immune system. When our body senses a foreign invader, our army of immune cells attacks it. It does this by releasing chemicals into the blood stream and/or in to the organs where the threat may lie. Those chemicals are meant to destroy the invader, but often hurt our healthy organs as well. For example, airborn pollen may land in your eye, the immune system senses that pollen, releases those chemicals, and as a consequence we get itchy, puffy, watery eyes. The same thing can...

Clinical Experience

  • Pediatric gastroenterology
Clinical Interests
  • abdominal pain
  • abnormal amylase
  • achalasia
  • acute pancreatitis
  • allergic colitis
  • allergic esophagitis
  • allergic gastroenteritis
  • anal fissure
  • anal fistula
  • anal pain
  • anal polyp
  • anal spasm
  • anal stenosis
  • anal ulcer
  • anorectal disease
  • anorexia
  • autoimmune enteropathy
  • barretts esophagus
  • biliary atresia
  • biologic therapy for gastrointestinal diseases
  • bleeding hemorrhoids
  • blood in stool
  • celiac disease
  • childhood obesity
  • choking sensation
  • cholangitis
  • cholecystitis
  • cholelithiasis
  • cholestasis
  • chronic diarrhea
  • chronic pancreatitis
  • cirrhosis
  • clostridium difficile
  • colic
  • colitis
  • colonic polyps
  • congenital cystic of liver
  • congenital pyloric stenosis
  • constipation
  • crigler najjar syndrome
  • cyclic vomiting syndrome
  • cystic fibrosis - gi complications
  • diverticular disease
  • diverticulitis
  • diverticulosis
  • duodenal ulcer
  • duodenitis
  • dysphagia
  • elevated amylase
  • eosinophilic esophagitis
  • eructation
  • esophageal disorder
  • esophageal mass
  • esophageal ulcer
  • esophageal varices
  • esophagitis
  • fatty liver
  • fecal impaction
  • fecal incontinence
  • feeding problems
  • flatulence
  • food intolerances
  • gallbladder disease
  • gallbladder polyp
  • gastric anomaly
  • gastric ulcer
  • gastritis
  • gastroesophageal reflux disease
  • gastroesophageal reflux disease in infancy
  • gastrointestinal bleeding
  • gastroparesis
  • giardiasis
  • gluten sensitivity
  • glycogen storage disease
  • graft versus host disease
  • growth failure
  • helicobacter pylori
  • helminthiasis
  • hematochezia
  • hemorrhoids
  • hemorrhoids with complications
  • hiatal hernia
  • hirschsprungs disease
  • hydrops of gallbladder
  • hyperbilirubinemia
  • idiopathic megacolon
  • ileitis
  • ileoscopy
  • inflammatory bowel disease
  • intestinal atresia
  • intestinal obstruction
  • intractable vomiting
  • intussusception
  • irritable bowel syndrome
  • jaundice
  • kwashiorkor
  • lactose intolerance
  • liver biopsy
  • liver disease
  • malabsorption
  • malnutrition
  • manometry
  • marasmus
  • meckel's diverticulum
  • megacolon
  • megarectum
  • metabolic liver disease
  • obstipation
  • odynophagia
  • pancreatic insufficiency
  • pancreatitis
  • peptic ulcer
  • peritonitis
  • polyposis syndrome
  • polyps
  • portal hypertension
  • portal hypertensive gastropathy
  • portal pyemia
  • primary biliary cirrhosis
  • proctosigmoidoscopy
  • rectal bleeding
  • rectal fistula
  • rectal hemorrhage
  • rectal pain
  • rectal polyp
  • regional enteritis
  • right lower quadrant pain
  • right upper quadrant pain
  • severe diarrhea
  • short bowel syndrome
  • small bowel disease
  • stomach cramps
  • stomach pain
  • swallowing problem
  • tenesmus
  • tyrosinemia
  • ulcerative colitis
  • vomiting
  • whipple disease


Patient Ratings and Comments

The Patient Rating score is based on responses given during the CAHPS Patient Experience Survey. Responses are measured on a 10-point scale, with 10 being the best score. These scores are then translated to a 5-point scale in order to display results in a 5-star rating. Comments are also gathered from the same survey and displayed in their entirety with the exception of any language that may be considered slander, libel or contain private health information, which will be removed prior to publishing the comments.

4.7 out of 5 (46 Ratings, 6 Comments)


The only issue we had was communication between the Dr., nurse, and us regarding completing tests and meds. It involved several phone calls for the instructions to be clarified.

Dr. Essers has been thorough, caring, and spends time listening to our concerns. He also gives us all the options, not just the one he would recommend. It has been very reassuring and less stressful to navigate our son's GI issues with Dr. Essers (versus our experience at some other clinics).

first provider who took our concerns seriously

he did not recommend any immediate medicine to make my son feel better. rather, he rushed to order colonoscopy which won't change anything. he did not even speak my language or discuss alternate routes. he did not show any concerns for my son.

Dr Essers has been a HUGE help in explaining this disease, how we can help our child & what options we have. He is attentive to what our child needs & asks & what we, as her parents need. He presents facts & options. Dr Essers is a rare caregiver, in my opinion.

This dr.'s manner was excellent. He told it truthfully, quickly and gave directions for next steps. Love him!
1101 Madison
Madison Tower, Suite 800
Seattle, WA 98104
751 NE Blakely Drive
5th Floor
Issaquah, WA 98029
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