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Ophthalmology

Lilliam Diaz Velez, MD

Sees patients in Aguadilla, PR · Puerto Rico

Summary

Dr. Lilliam Diaz Velez, MD is an ophthalmologist at 107 Ave Pedro Albizu Campos, Aguadilla, PR 00603. Phone: (787) 422-6349. Accepts Medicare assignment. In 2024, Lilliam Diaz Velez had 24 Original Medicare patients and 84 services. NPI 1295984029. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 107 Ave Pedro Albizu Campos, Aguadilla, PR 00603 · Directions (1 more location)
  • Phone: (787) 422‑6349
  • Medicare: Accepts Medicare assignment
  • Group practice: Aguadilla Eye MD PSC
  • Medical school: University Of Puerto Rico School Of Medicine · graduated 2008 (18 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Lilliam Diaz Velez, 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 Lilliam Diaz Velez accept Medicare assignment?
Yes. Medicare's clinician data says Lilliam Diaz Velez 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 Lilliam Diaz Velez see?
In 2024, CMS data shows 24 Original Medicare patients and 84 services for Lilliam Diaz Velez. This counts Original Medicare only and measures volume, not quality.
What is Lilliam Diaz Velez's NPI number?
1295984029. 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 Lilliam Diaz Velez, 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 patients24
Services billed to Medicare84
Different services or procedures20
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Established patient problem focused exam of visual system (92012)14 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%
  • Arthritis54%
  • Diabetes46%

Practice locations

Addresses where Lilliam Diaz Velez is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lilliam Diaz Velez as a member of this group (CMS data updated October 2, 2026).

  • Aguadilla Eye MD PSC5 clinicians in the group

Specialties

Find other Ophthalmology doctors in Puerto Rico →

Other ophthalmologists in Aguadilla

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

All ophthalmologists in Aguadilla →

Other clinicians in Aguadilla Eye MD PSC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Puerto Rico School Of Medicine
Graduation year2008 (18 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1295984029
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