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Neurology

Edgar C. Hernandez Viera, MD

Sees patients in San Juan, PR · Puerto Rico

Summary

Dr. Edgar C. Hernandez Viera, MD is a neurologist at 369 Calle De Diego, Suite 607, San Juan, PR 00923. Phone: (787) 764-9560. Accepts Medicare assignment. In 2024, Edgar C. Hernandez Viera had 36 Original Medicare patients and 150 services. NPI 1477515310. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Neurologist (Medicare lists Neurology)
  • Address: 369 Calle De Diego, Suite 607, San Juan, PR 00923 · Directions
  • Phone: (787) 764‑9560
  • Medicare: Accepts Medicare assignment
  • Medical school: University Of Puerto Rico School Of Medicine · graduated 1994 (32 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Edgar C. Hernandez Viera, 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 Edgar C. Hernandez Viera accept Medicare assignment?
Yes. Medicare's clinician data says Edgar C. Hernandez Viera 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 Edgar C. Hernandez Viera see?
In 2024, CMS data shows 36 Original Medicare patients and 150 services for Edgar C. Hernandez Viera. This counts Original Medicare only and measures volume, not quality.
What is Edgar C. Hernandez Viera's NPI number?
1477515310. 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 Edgar C. Hernandez Viera, 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 patients36
Services billed to Medicare150
Different services or procedures12
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)48 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%
  • Diabetes67%
  • Stroke or mini-stroke53%
  • Arthritis42%
  • Ischemic heart disease31%

Practice locations

Addresses where Edgar C. Hernandez Viera is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Neurology doctors in Puerto Rico →

Other neurologists in San Juan

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

All neurologists in San Juan →

Clinician information

CredentialMD
Medical schoolUniversity Of Puerto Rico School Of Medicine
Graduation year1994 (32 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1477515310
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