Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Deborah N. Santos Sierra, MD

Sees patients in Camuy, PR · Hatillo, PR · Puerto Rico

Summary

Dr. Deborah N. Santos Sierra, MD is an internal medicine doctor at 107 Ave Munoz Rivera, Camuy, PR 00627. Accepts Medicare assignment. NPI 1740809409. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 107 Ave Munoz Rivera, Camuy, PR 00627 · Directions (1 more location)
  • Medicare: Accepts Medicare assignment
  • Medical school: San Juan Bautista School Of Medicine · graduated 2021 (5 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Deborah N. Santos Sierra, 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 Deborah N. Santos Sierra accept Medicare assignment?
Yes. Medicare's clinician data says Deborah N. Santos Sierra 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 Deborah N. Santos Sierra's NPI number?
1740809409. 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 Deborah N. Santos Sierra is enrolled with Medicare (CMS data updated October 2, 2026).

  • 107 Ave Munoz RiveraCamuy, PR 00627
  • PO BoxHatillo, PR 00659

Specialties

Find other Internal Medicine doctors in Puerto Rico →

Other internal medicine doctors in Camuy

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

All internal medicine doctors in Camuy →

Clinician information

CredentialMD
Medical schoolSan Juan Bautista School Of Medicine
Graduation year2021 (5 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1740809409
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