Dr. Brian E. Lacy, MD, PhD

Dr. Lacy practices at Mayo Clinic Hospital in Jacksonville, Florida, part of Mayo Clinic.

Dr. Lacy's NPI, 1518980135, was assigned on July 25, 2006. Dr. Lacy graduated from University of Maryland School of Medicine - Baltimore in 1991. Dr. Lacy's New Hampshire license number on file is 9138.

Dr. Lacy's primary practice is Mayo Clinic Hospital, at 4500 San Pablo Rd, Jacksonville, FL 32224 in Duval County. The practice phone is (904) 953-2000.

Dr. Lacy's primary practice is Mayo Clinic Hospital in Jacksonville, Florida, part of Mayo Clinic. The medical group on file is Mayo Clinic Jacksonville.

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

Gastroenterology is Dr. Lacy's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Lacy is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Lacy's licenses on file in 3 states: New Hampshire, Florida and Maryland.

Dmand AI lists acid reflux, colonoscopy, irritable bowel syndrome (IBS) and upper GI endoscopy among the conditions Dr. Lacy treats.

CMS data shows 465 Medicare services from Dr. Lacy across 11 procedure codes in 2024, for 297 Medicare patients. Medicare paid $60,598 for them.

CMS counts 297 Medicare patients who saw Dr. Lacy in 2024. The largest group is 65 to 74, with 183 patients. 75% of them have high cholesterol, and 58% have high blood pressure. Their average risk score is 1.05, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Lacy's median patient age at 59, with 68% women.

In 2024, Dr. Lacy wrote 94 Medicare Part D claims for 24 patients. 86% of them were for generic drugs. CMS names the drug for 43 of them, across 3 drugs with 11 or more claims each, at $1,206 in total drug cost. In 2023, CMS named 47 claims across 2 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Lacy for performance year 2024, reported as part of a group. Dr. Lacy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lacy as offering telehealth. CMS counts 39 procedures of colonoscopy by Dr. Lacy, more than 58% of the clinicians it reports for that procedure.

Dmand AI links 128 papers to Dr. Lacy, published from 2005 to 2025. 2024 was the busiest year, with 12. The most frequent topics are Irritable Bowel Syndrome, Gastroparesis and Constipation. Dr. Lacy has published most often in Am J Gastroenterol. Dr. Lacy's most frequent co-authors are David J. Cangemi, MD, Brooks Dickson Cash, MD and Eamonn Martin Quigley, MD.

Dmand AI links Dr. Lacy to 3 clinical trials. 1 is still active or recruiting. Conditions studied include Crohn Disease, Gastroparesis and Inflammatory Bowel Diseases. Mayo Clinic sponsors the most, 3.

CMS Open Payments shows 158 general payments to Dr. Lacy from 19 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 80% of the total. Ironwood Pharmaceuticals, Inc paid the most, $59,666. It also lists 3 research payments totaling $74,295 in 2019.

Dr. Lacy graduated from University of Maryland School of Medicine - Baltimore in 1991.

Dr. Lacy is in network with 10 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. POS plans come from the most carriers, 6. Check the plan with the practice before a visit.