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General Practice

William Grassette Melendez, MD

Sees patients in Toa Baja, PR · Puerto Rico

Summary

Dr. William Grassette Melendez, MD is a general practitioner at 3474 Calle Camaron, Toa Baja, PR 00949. Phone: (787) 795-2521. May accept Medicare assignment. NPI 1972515856. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: General practitioner (Medicare lists General Practice)
  • Address: 3474 Calle Camaron, Toa Baja, PR 00949 · Directions (2 more locations)
  • Phone: (787) 795‑2521
  • Medicare: May accept Medicare assignment
  • Medical school: graduated 1986 (40 years since medical school)
  • Gender (as listed): Male
Call(787) 795‑2521 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about William Grassette Melendez, 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 William Grassette Melendez accept Medicare assignment?
Medicare's clinician data says William Grassette Melendez may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is William Grassette Melendez's NPI number?
1972515856. 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 William Grassette Melendez is enrolled with Medicare (CMS data updated October 2, 2026).

  • 3474 Calle CamaronToa Baja, PR 00949
  • Hf 16 Lizzie Graham, 7ma Seccion LevittownToa Baja, PR 00949
  • Paseo Camaron, 3474 Tercera Seccion LevittownToa Baja, PR 00949 (787) 795‑2521

Specialties

Find other General Practice doctors in Puerto Rico →

Other general practitioners in Toa Baja

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

All general practitioners in Toa Baja →

Clinician information

CredentialMD
Graduation year1986 (40 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1972515856
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. 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