NPPES file of Aug 9, 2026

Marcelo Fabian Larsen, MD

Gastroenterology Physician · Miami, FL

Marcelo Fabian Larsen, MD is a gastroenterology physician with a practice address in Miami, Florida, and NPI 1154402717, issued on Oct 18, 2006. Check the license (Florida ME109504, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1154402717
Name
Marcelo Fabian Larsen
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
ME109504 FL
MFC # 1615 FL
0101267484 VA
Self-reported in NPPES; status is on the state search
Practice location
9408 SW 87TH Ave Ste 200, Miami, FL 33176
Phone
(305) 913-0666
Enumerated
Oct 18, 2006
Record last updated
Jan 12, 2026
Fax
(305) 913-0663
Medicaid ID
2780909-00 FL
Medicare enrollment
Enrolled (PECOS I20070830000470); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 9408 SW 87TH Ave Ste 200

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sarah Altajar, MDGastroenterology Physician1568966745
  2. Michelle AsseoPhysician Assistant1841077500
  3. Darlene Boytell, ARNPNurse Practitioner1548237480
  4. Andres Gelrud, M.D.Gastroenterology Physician1689630592
  5. Benjamin Kessler, MDDiagnostic Radiology Physician1477086718
  6. Lukasz KwapiszGastroenterology Physician1366937351

Verify Marcelo Fabian Larsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME109504
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Florida license search

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72% fewer Medicare Part D claims than the average gastroenterology physician in 2024

231 Medicare Part D claims for 185 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.

  1. Marcelo Larsen231
  2. Specialty average811

Most prescribed

  1. Sod Sulf-Potass Sulf-Mag Sulf130 claims
  2. Suprep16 claims
  3. Gavilyte-G15 claims
  4. Dicyclomine Hcl12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 82.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score75.0
  2. Costout of 100 · 30%67.1
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $413.43

15 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marcelo Larsen$413.43
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Gastro Health, LLCMiami, FL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gastroenterology Physician providers in Florida

There are 1,513 gastroenterology physician records in Florida.

Other gastroenterology physician records in Florida

  1. Hayden Aaron, M.D.West Palm Beach, FL1144273970
  2. Kerolos Abadeer, MDOrange Park, FL1376074286
  3. Ali Abbas, M.D.Wesley Chapel, FL1144667999
  4. Aamer Abbass, MDFort Myers, FL1689081119
  5. Abdi Abbassi, M.D.Jacksonville, FL1831183938
  6. Rami Abboud, MDBrooksville, FL1285900670
  7. Sherine AbdallaGainesville, FL1366862997
  8. Abdallah Abdallah, M.DRiverview, FL1841685773
  9. Jason Abfier, M.D.Fort Myers, FL1124054861
  10. Prosper Abitbol, DOBoca Raton, FL1033108030

Common questions

What is Marcelo Fabian Larsen, MD's NPI number?

Marcelo Fabian Larsen, MD's National Provider Identifier (NPI) is 1154402717, issued on Oct 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marcelo Fabian Larsen, MD located?

The NPPES record lists a practice address at 9408 SW 87TH Ave Ste 200, Miami, FL, 33176. Phone: (305) 913-0666. Providers update this record themselves, so call before visiting.

How can I verify Marcelo Fabian Larsen, MD's license?

NPPES lists Florida license number ME109504, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marcelo Fabian Larsen, MD prescribe under Medicare Part D?

In 2024, Marcelo Fabian Larsen, MD had 231 Medicare Part D claims for 185 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Marcelo Fabian Larsen, MD's MIPS final score?

The 2023 MIPS final score is 82.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.