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Internal Medicine

Mitchell Matundan Marasigan, MD

Sees patients in Bayamon, PR · Puerto Rico

Summary

Dr. Mitchell Matundan Marasigan, MD is an internal medicine doctor at 73 Edif Santa Cruz, Suite 211, Bayamon, PR 00961. Phone: (787) 269-6391. Accepts Medicare assignment. NPI 1063489557. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 73 Edif Santa Cruz, Suite 211, Bayamon, PR 00961 · Directions (1 more location)
  • Phone: (787) 269‑6391
  • Medicare: Accepts Medicare assignment
  • Medical school: University Central Del Caribe Escuela De Medicina · graduated 1997 (29 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Mitchell Matundan Marasigan, 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 Mitchell Matundan Marasigan accept Medicare assignment?
Yes. Medicare's clinician data says Mitchell Matundan Marasigan 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.
What is Mitchell Matundan Marasigan's NPI number?
1063489557. 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 Mitchell Matundan Marasigan is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Puerto Rico →

Other internal medicine doctors in Bayamon

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

All internal medicine doctors in Bayamon →

Clinician information

CredentialMD
Medical schoolUniversity Central Del Caribe Escuela De Medicina
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1063489557
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