Dr. Marcelo Fabian Larsen, MD

Dr. Larsen practices at Advanced Cardiovascular of Miami in Miami, Florida.

Dr. Larsen's NPI, 1154402717, was assigned on October 18, 2006. Dr. Larsen graduated from Universidad Nacional de La Plata Faculty of Medicine in 1991. Dr. Larsen holds Florida license ME109504.

Dr. Larsen's primary practice is Advanced Cardiovascular of Miami, at 9408 Sw 87th Ave, Miami, FL 33176 in Miami-Dade County. The practice phone is (786) 474-3211.

Dr. Larsen's primary practice is Advanced Cardiovascular of Miami in Miami, Florida. Dr. Larsen is also affiliated with South Miami Hospital. The medical group on file is Gastro Health. Dmand AI also links Dr. Larsen to 2 more hospitals and 1 group practice or clinic, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Larsen practices, 4 sites in all. Vendor and product names are available with a free account.

Gastroenterology is Dr. Larsen's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Larsen is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Larsen's licenses on file in 2 states: Florida and Virginia.

Dmand AI lists acid reflux, acute gastroduodenitis, colonoscopy, esophagus, stomach, or upper small intestine surgery, gastrointestinal bleeding, pancreas or bile duct endoscopy (ERCP) and upper GI endoscopy among the conditions Dr. Larsen treats.

CMS data shows 315 Medicare services from Dr. Larsen across 8 procedure codes in 2024, for 155 Medicare patients. Medicare paid $34,844 for them.

CMS counts 155 Medicare patients who saw Dr. Larsen in 2024. The largest group is 75 to 84, with 52 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 62% are also on Medicaid. Their average risk score is 3.01, 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. Larsen's median patient age at 56, with 54% women.

In 2024, Dr. Larsen wrote 231 Medicare Part D claims for 185 patients. 65% of them were for generic drugs. CMS names the drug for 173 of them, across 4 drugs with 11 or more claims each, at $9,194 in total drug cost. In 2023, CMS named 145 claims across 4 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Larsen for performance year 2024, reported as part of a group. Dr. Larsen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Larsen as offering telehealth. CMS counts 40 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Larsen, more than 60% of the clinicians it reports for that procedure.

Dmand AI links 4 papers to Dr. Larsen, published from 2010 to 2020. Dr. Larsen's most frequent co-authors are Alvaro Jose Alencar, MD, Gil Ignacio Ascunce, MD and Joe U. Levi, MD.

CMS Open Payments shows 118 general payments to Dr. Larsen from 30 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 82% of the total. Abbvie Inc. paid the most, $874.

Dmand AI lists 1 award for Dr. Larsen, most recently Honorary Member in 2012. Dr. Larsen serves on Physician Leadership Council HCA.

Dr. Larsen graduated from Universidad Nacional de La Plata Faculty of Medicine in 1991. Dr. Larsen is a member of ACG and Bockus Society of Gastroenterology.

Dr. Larsen is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.