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Internal Medicine

Janine Laborde Sanfiorenzo, MD

Sees patients in San Juan, PR · Puerto Rico

Summary

Dr. Janine Laborde Sanfiorenzo, MD is an internal medicine doctor at Ave Domenech, 400 Suite 505, San Juan, PR 00918. Phone: (787) 753-8266. Accepts Medicare assignment. In 2024, Janine Laborde Sanfiorenzo had 12 Original Medicare patients and 105 services. NPI 1932264090. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: Ave Domenech, 400 Suite 505, San Juan, PR 00918 · Directions
  • Phone: (787) 753‑8266
  • Medicare: Accepts Medicare assignment
  • Medical school: Ponce School Of Medicine · graduated 1996 (30 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Janine Laborde Sanfiorenzo, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Janine Laborde Sanfiorenzo accept Medicare assignment?
Yes. Medicare's clinician data says Janine Laborde Sanfiorenzo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Janine Laborde Sanfiorenzo see?
In 2024, CMS data shows 12 Original Medicare patients and 105 services for Janine Laborde Sanfiorenzo. This counts Original Medicare only and measures volume, not quality.
What is Janine Laborde Sanfiorenzo's NPI number?
1932264090. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Janine Laborde Sanfiorenzo, 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.

Original Medicare patients12
Services billed to Medicare105
Different services or procedures4
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)92 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 cholesterol75%
  • Arthritis75%

Practice locations

Addresses where Janine Laborde Sanfiorenzo is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Puerto Rico →

Other internal medicine doctors in San Juan

Clinicians with the same Medicare primary specialty in San Juan, PR — not a recommendation.

All internal medicine doctors in San Juan →

Clinician information

CredentialMD
Medical schoolPonce School Of Medicine
Graduation year1996 (30 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1932264090
CorrectionsReport an error or suggest an update →

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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians