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

Dermatology

Juan Lopez Berrios, MD

Sees patients in Rio Piedras, PR · Puerto Rico

Summary

Dr. Juan Lopez Berrios, MD is a dermatologist at Ave 65 De Infanteria, Oficina 9, Rio Piedras, PR 00923. Phone: (787) 767-8208. Accepts Medicare assignment. In 2024, Juan Lopez Berrios had 29 Original Medicare patients and 38 services. NPI 1093848129. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: Ave 65 De Infanteria, Oficina 9, Rio Piedras, PR 00923 · Directions
  • Phone: (787) 767‑8208
  • Medicare: Accepts Medicare assignment
  • Medical school: graduated 1970 (56 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Juan Lopez Berrios, 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 Juan Lopez Berrios accept Medicare assignment?
Yes. Medicare's clinician data says Juan Lopez Berrios 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 Juan Lopez Berrios see?
In 2024, CMS data shows 29 Original Medicare patients and 38 services for Juan Lopez Berrios. This counts Original Medicare only and measures volume, not quality.
What is Juan Lopez Berrios's NPI number?
1093848129. 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 Juan Lopez Berrios, 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 patients29
Services billed to Medicare38
Different services or procedures13
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)13 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 blood pressure75%
  • High cholesterol75%
  • Diabetes59%

Practice locations

Addresses where Juan Lopez Berrios is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Dermatology doctors in Puerto Rico →

Other dermatologists in Rio Piedras

Clinicians with the same Medicare primary specialty in Rio Piedras, PR — not a recommendation.

All dermatologists in Rio Piedras →

Clinician information

CredentialMD
Graduation year1970 (56 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1093848129
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