Dr. Ethan Israel Bortniker, MD

Dr. Bortniker practices at The Endoscopy Center - Encinitas in Encinitas, California.

Dr. Bortniker's NPI, 1396905576, was assigned on June 11, 2008. Dr. Bortniker graduated from Boston University School Of Medicine in 2008. Dr. Bortniker's California license number on file is A155188.

Dr. Bortniker's primary practice is The Endoscopy Center - Encinitas, at 700 Garden View Court Suite 101, Encinitas, CA 92024. The practice phone is (760) 274-2700.

Dr. Bortniker's primary practice is The Endoscopy Center - Encinitas in Encinitas, California. Dr. Bortniker is also affiliated with Scripps Memorial Hospital Encinitas. The medical group on file is Unio Specialty Care, Urology, Encinitas (formerly Genesis Healthcare Partners). Dmand AI also links Dr. Bortniker to 1 more hospital, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bortniker practices, 3 sites in all. Vendor and product names are available with a free account.

Gastroenterology is Dr. Bortniker's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Bortniker is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Bortniker's licenses on file in 4 states: California, Iowa, Connecticut and Massachusetts.

Dmand AI lists chronic indigestion, cirrhosis of the liver, colonoscopy, gastroduodenitis, gastroenteritis, gastrointestinal bleeding, intestinal diverticulosis and irritable bowel syndrome (IBS) among the conditions Dr. Bortniker treats.

CMS data shows 632 Medicare services from Dr. Bortniker across 11 procedure codes in 2024, for 415 Medicare patients. Medicare paid $64,775 for them.

CMS counts 415 Medicare patients who saw Dr. Bortniker in 2024. The largest group is 65 to 74, with 172 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.79, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Bortniker's median patient age at 60, with 47% women.

In 2024, Dr. Bortniker wrote 580 Medicare Part D claims for 340 patients. 82% of them were for generic drugs. CMS names the drug for 477 of them, across 9 drugs with 11 or more claims each, at $32,140 in total drug cost. In 2023, CMS named 225 claims across 6 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Bortniker for performance year 2024, reported as part of a group. Dr. Bortniker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Bortniker as offering telehealth. CMS counts 102 procedures of colonoscopy by Dr. Bortniker, more than 80% of the clinicians it reports for that procedure.

Dmand AI links 7 papers to Dr. Bortniker, published from 2014 to 2019. 2014 was the busiest year, with 2. The most frequent topics are Colorectal Neoplasms, Adenoma and Colonoscopy. Dr. Bortniker has published most often in Dig Dis Sci. Dr. Bortniker's most frequent co-authors are Leon Averbukh, DO, John W. Birk, MD and Thomas James Corredine, DO.

CMS Open Payments shows 233 general payments to Dr. Bortniker from 31 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 90% of the total. Abbvie Inc. paid the most, $1,386.

Dr. Bortniker graduated from Boston University School Of Medicine in 2008.

Dr. Bortniker is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.