Dr. Gilbert Simoni, MD

Dr. Simoni practices at Advanced Digestive Center of Southern California in Thousand Oaks, California.

Dr. Simoni's NPI, 1316922958, was assigned on December 7, 2005. Dr. Simoni graduated from American University of the Caribbean School of Medicine in 1999. Dr. Simoni holds California license A77140.

Dr. Simoni's primary practice is Advanced Digestive Center of Southern California, at 555 Marin Street Suite 270, Thousand Oaks, CA 91360. The practice phone is (805) 719-0244.

Dr. Simoni's primary practice is Advanced Digestive Center of Southern California in Thousand Oaks, California. Dr. Simoni is also affiliated with Los Robles Regional Medical Center. The medical group on file is Advanced Gastroenterology. Dmand AI also links Dr. Simoni to 2 more hospitals, 3 medical groups and 2 group practices and clinics, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simoni practices, 6 sites in all. Vendor and product names are available with a free account.

Gastroenterology is Dr. Simoni's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Simoni is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Simoni's licenses on file in 4 states: California, South Dakota, Colorado and New Jersey.

Dmand AI lists acid reflux, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, fatty liver, gastroduodenitis, gastroenteritis and gastrointestinal bleeding among the conditions Dr. Simoni treats.

CMS data shows 1,577 Medicare services from Dr. Simoni across 19 procedure codes in 2024, for 668 Medicare patients. Medicare paid $317,496 for them.

CMS counts 668 Medicare patients who saw Dr. Simoni in 2024. The largest group is 65 to 74, with 360 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Simoni's median patient age at 69, with 49% women.

In 2024, Dr. Simoni wrote 398 Medicare Part D claims for 174 patients. 75% of them were for generic drugs. CMS names the drug for 259 of them, across 9 drugs with 11 or more claims each, at $143,089 in total drug cost. In 2023, CMS named 537 claims across 15 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Simoni for performance year 2024, reported as part of a group. CMS counts 354 procedures of colonoscopy by Dr. Simoni, more than 98% of the clinicians it reports for that procedure.

Dmand AI links 5 papers to Dr. Simoni, published from 2014 to 2018. 2014 was the busiest year, with 3. The most frequent topics are Fundoplication, Gastroesophageal Reflux and Proton Pump Inhibitors. Dr. Simoni has published most often in Surg Innov. Dr. Simoni's most frequent co-authors are Mark Alan Fox, MD, Ahmad Bassel Shughoury, MD and Daniel Gilles Turgeon, MD.

Dmand AI links Dr. Simoni to 1 clinical trial. Conditions studied include Crohn Disease and Inflammatory Bowel Diseases. Open Payments lists research payments to Dr. Simoni that name 1 trial.

CMS Open Payments shows 1,156 general payments to Dr. Simoni from 44 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 45% of the total. Endogastric Solutions, Inc paid the most, $77,972. It also lists 2 research payments totaling $21,242 from 2020 to 2021, naming 1 clinical trial.

Dmand AI lists 1 award for Dr. Simoni, most recently CMS Stage 1 2012 in 2011.

Dr. Simoni graduated from American University of the Caribbean School of Medicine in 1999. Dr. Simoni is a member of ACG.

Dr. Simoni is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.