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Internal Medicine

Luis M. Mercado, MD

Sees patients in San German, PR · Puerto Rico

Summary

Luis M. Mercado, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in San German, PR. NPI 1144227869. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(787) 892‑4357 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Luis M. Mercado, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

1Practice location
Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
38Years since medical school (graduated 1988)
University Central Del Caribe Escuela De MedicinaMedical school
MaleGender (as listed)

Quick answers

Where does Luis M. Mercado see patients?
Medicare's clinician data lists 1 practice location in San German, PR. Call before your visit to confirm the address.
What is Luis M. Mercado's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Luis M. Mercado accept Medicare assignment?
Yes. Medicare's clinician data says Luis M. Mercado accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Luis M. Mercado offer telehealth?
Medicare's clinician data says Luis M. Mercado offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Luis M. Mercado?
(787) 892-4357, as listed in official Medicare / NPI Registry data.
What is Luis M. Mercado's NPI number?
1144227869. 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 Luis M. Mercado is enrolled with Medicare (CMS data updated 2026-10-02).

  • Ave Interamericana, 153 Esq Chilin Quinones Edif San Jose 3San German, PR 00683 (787) 892‑4357

Specialties

Find other Internal Medicine doctors in Puerto Rico →

Other internal medicine doctors in San German

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

All internal medicine doctors in San German →

Clinician information

CredentialMD
Medical schoolUniversity Central Del Caribe Escuela De Medicina
Graduation year1988
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1144227869
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 2026-10-02, retrieved 2026-10-29
  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