Marcelo F. Larsen, MD

Medicare activity in 2024

Official CMS public-use data for Marcelo F. Larsen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)158 services
2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)73 services
3. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)18 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)15 services
5. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)13 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Arthritis63%
• Diabetes59%
• Anxiety55%
• Depression52%

Hospitals where Marcelo F. Larsen works

Medicare's Facility Affiliation Data lists Marcelo F. Larsen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Doctors HospitalCoral Gables, FL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 100296
• HCA Florida Mercy HospitalPlantation, FL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 100167
• South Miami HospitalMiami, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100154

Practice locations

Addresses where Marcelo F. Larsen is enrolled with Medicare (CMS data updated October 2, 2026).

• 3661 S Miami AveMiami, FL 33133 (305) 856‑7333
• 9408 SW 87 AveMiami, FL 33176 (305) 913‑0666

Group practices

Medicare enrollment lists Marcelo F. Larsen as a member of this group (CMS data updated October 2, 2026).

• Gastro Health, LLC247 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in Florida →

Other gastroenterologists in Miami

Clinicians with the same Medicare primary specialty in Miami, FL — not a recommendation.

• Anthony Coppola, MD
• Gregory Toy, MD
• Andrew H. Zwick, MD
• Cathia M. Rene, MD
• Gustavo A. Calleja, MD
• Janyll Castineira, DO
• Victor Pina, MD
• Simon Behar, MD

All gastroenterologists in Miami →

Other clinicians in Gastro Health, LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Ally R. Rosenberg, NP
• Samantha Hamilton, NP
• Anthony Coppola, MD
• Susel Sanchez Frometa, NP
• Anthony Strippoli, MD
• Sidney Neimark, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians