Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Manuel E. Mateo Lopez, MD

Sees patients in Toa Alta, PR · Puerto Rico

Summary

Manuel E. Mateo Lopez, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Toa Alta, PR. NPI 1942345384. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Manuel E. Mateo Lopez, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
38Years since medical school (graduated 1988)
MaleGender (as listed)

Quick answers

Where does Manuel E. Mateo Lopez see patients?
Medicare's clinician data lists 1 practice location in Toa Alta, PR. Call before your visit to confirm the address.
What is Manuel E. Mateo Lopez's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Manuel E. Mateo Lopez accept Medicare assignment?
Yes. Medicare's clinician data says Manuel E. Mateo Lopez 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.
What is the phone number for Manuel E. Mateo Lopez?
(787) 870-5025, as listed in official Medicare / NPI Registry data.
What is Manuel E. Mateo Lopez's NPI number?
1942345384. 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 Manuel E. Mateo Lopez is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in Puerto Rico →

Other internal medicine doctors in Puerto Rico

Clinicians with the same Medicare primary specialty in Puerto Rico — not a recommendation.

All internal medicine doctors in Puerto Rico →

Clinician information

CredentialMD
Graduation year1988
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1942345384
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