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Dermatology

Hector I. Maldonado Lopez, MD

Sees patients in Guaynabo, PR · Puerto Rico

Summary

Dr. Hector I. Maldonado Lopez, MD is a dermatologist at 2054 Calle Turquesa, Guaynabo, PR 00969. Phone: (787) 720-8194. Accepts Medicare assignment. In 2024, Hector I. Maldonado Lopez had 130 Original Medicare patients and 240 services. NPI 1417951955. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 2054 Calle Turquesa, Guaynabo, PR 00969 · Directions
  • Phone: (787) 720‑8194
  • Medicare: Accepts Medicare assignment
  • Medical school: University Of Puerto Rico School Of Medicine · graduated 1981 (45 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Hector I. Maldonado Lopez, 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 Hector I. Maldonado Lopez accept Medicare assignment?
Yes. Medicare's clinician data says Hector I. Maldonado Lopez 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 Hector I. Maldonado Lopez see?
In 2024, CMS data shows 130 Original Medicare patients and 240 services for Hector I. Maldonado Lopez. This counts Original Medicare only and measures volume, not quality.
What is Hector I. Maldonado Lopez's NPI number?
1417951955. 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 Hector I. Maldonado Lopez, 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 patients130
Services billed to Medicare240
Different services or procedures18
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)111 services
  2. New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)44 services
  3. Destruction of skin growth, 1-14 growths (17110)27 services
  4. Biopsy of related skin growth, first growth (11102)23 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%
  • Diabetes65%
  • Arthritis45%
  • Chronic kidney disease26%
  • Ischemic heart disease23%

Practice locations

Addresses where Hector I. Maldonado Lopez is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Dermatology doctors in Puerto Rico →

Other dermatologists in Guaynabo

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

All dermatologists in Guaynabo →

Clinician information

CredentialMD
Medical schoolUniversity Of Puerto Rico School Of Medicine
Graduation year1981 (45 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1417951955
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