Dr Ethan Bortniker completed the 7 year BA/MD program at Boston University followed by internal medicine residency at Boston Medical Center. After a year as a hospitalist at Boston Medical Center, Dr Bortniker pursued Gastroenterology fellowship at University of Connecticut where he stayed on as faculty for 3 years actively participating in teaching, research activities in colon cancer prevention, director of motility program, and earned an MBA from UConn.
In 2019, life brought Dr Bortniker to the sunshine of southern California where he joined faculty at UCSD and San Diego VA.
Dr Bortniker has pursued additional clinical training in medical hypnotherapy for patients with Gastrointestinal disorders. Prior to joining Coastal Gastroenterology, Dr Bortniker spent one year with a private practice in Palm Springs.
Dr Bortniker practices general Gastroenterology with an interest in motility, disorders of the brain gut access, prevention of GI tract cancers, liver disease, and general endoscopy including colonoscopy, egd, and capsule endoscopy.
Dr. Bortniker is passionate about preventive care and early detection of gastrointestinal conditions, including colorectal cancer. He encourages all eligible adults to get screened and stay proactive about their digestive health. To learn more about why colon cancer screening is so important — and how to get started — visit our Colon Cancer Screening Resource Page.
Services Provided by Dr. Ethan Bortniker, MD
Colonoscopy
Dr. Bortniker performs colonoscopies for colorectal cancer screening and diagnosis of gastrointestinal symptoms, using the latest technology to ensure comfort and accuracy.
Upper Endoscopy (EGD)
EGD is used to evaluate symptoms such as heartburn, bleeding, and swallowing difficulty. Dr. Bortniker provides thorough diagnostic evaluations for patients in Pasadena, Glendale, and surrounding communities.
Anorectal Manometry & MiVu Reflux Testing
Dr. Bortniker offers advanced anorectal manometry to evaluate pelvic floor dysfunction, constipation, and fecal incontinence. He also performs MiVu reflux testing, a minimally invasive method that detects acid reflux and provides high-resolution impedance data, improving accuracy and patient comfort compared to traditional pH probes.
Irritable Bowel Syndrome (IBS) Management
Dr. Bortniker helps patients manage IBS symptoms with evidence-based therapies and personalized treatment plans, addressing both digestive health and quality of life.
Inflammatory Bowel Disease (IBD) Care
Specializing in Crohn’s disease and ulcerative colitis, Dr. Bortniker offers long-term management solutions using modern therapies and a compassionate, patient-focused approach.
Frequently Asked Questions about Dr. Ethan Bortniker, MD
What conditions does Dr. Bortniker treat?
Dr. Bortniker treats GERD, IBS, IBD (Crohn’s disease and ulcerative colitis), liver disease, colon polyps, and GI motility disorders.
Is Dr. Bortniker accepting new patients?
Yes, Dr. Bortniker is currently accepting new patients at both the Encinitas and Rancho Bernardo offices. Call us today to schedule an appointment.
Does Dr. Bortniker perform colonoscopies?
Yes. Dr. Bortniker performs colonoscopies for colorectal cancer screening and to diagnose symptoms like rectal bleeding, diarrhea, and abdominal pain.
What hospital is Dr. Bortniker affiliated with?
He is affiliated with Scripps Memorial Hospital Encinitas and Scripps Memorial Hospital La Jolla.
What can I expect during my first visit?
During your first visit, Dr. Bortniker will review your medical history, discuss your symptoms, and recommend appropriate testing or treatment.
What GI procedures does Dr. Bortniker offer?
He offers colonoscopy, upper endoscopy (EGD), capsule endoscopy, esophageal manometry, and pH testing.
What insurance plans are accepted?
Unio Specialty Care accepts most major PPO insurance plans, Medicare, and select HMOs. Please call the office to confirm coverage.