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Internal Medicine

Mariano S. Lacayo, MD

Sees patients in Hialeah, FL · Florida

Summary

Dr. Mariano S. Lacayo, MD is an internal medicine doctor at 3233 Palm Ave, Hialeah, FL 33012. Phone: (305) 826-0660. Accepts Medicare assignment. NPI 1164463691. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 3233 Palm Ave, Hialeah, FL 33012 · Directions
  • Phone: (305) 826‑0660
  • Medicare: Accepts Medicare assignment
  • Group practice: Conviva Medical Center Management, LLC
  • Medical school: University Of Miami, Lm Miller School Of Medicine · graduated 2000 (26 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Mariano S. Lacayo, 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 Mariano S. Lacayo accept Medicare assignment?
Yes. Medicare's clinician data says Mariano S. Lacayo 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.
What is Mariano S. Lacayo's NPI number?
1164463691. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Mariano S. Lacayo is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mariano S. Lacayo as a member of this group (CMS data updated October 2, 2026).

  • Conviva Medical Center Management, LLC512 clinicians in the group

Specialties

Find other Internal Medicine doctors in Florida →

Other internal medicine doctors in Hialeah

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

All internal medicine doctors in Hialeah →

Other clinicians in Conviva Medical Center Management, LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Miami, Lm Miller School Of Medicine
Graduation year2000 (26 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1164463691
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians