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Clinical Social Worker

Marcos E. Rivera Santos, CSW

Sees patients in Dorado, PR · Ponce, PR · Vega Alta, PR · Puerto Rico

Summary

Marcos E. Rivera Santos, CSW (Clinical Social Worker) is enrolled with Medicare at 3 practice locations in Dorado, PR, Ponce, PR and Vega Alta, PR. NPI 1457234395. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Marcos E. Rivera Santos, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Clinical Social WorkerPrimary specialty
YesAccepts Medicare assignment
1Years since medical school (graduated 2025)
MaleGender (as listed)

Quick answers

Where does Marcos E. Rivera Santos see patients?
Medicare's clinician data lists 3 practice locations, including Dorado, PR, Ponce, PR and Vega Alta, PR. Call before your visit to confirm the address.
What is Marcos E. Rivera Santos's specialty?
Medicare lists Clinical Social Worker as the primary specialty.
Does Marcos E. Rivera Santos accept Medicare assignment?
Yes. Medicare's clinician data says Marcos E. Rivera Santos accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Marcos E. Rivera Santos?
(787) 467-1267, as listed in official Medicare / NPI Registry data.
What is Marcos E. Rivera Santos's NPI number?
1457234395. 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 Marcos E. Rivera Santos is enrolled with Medicare (CMS data updated 2026-10-02).

  • 516 Calle Extension Sur, Local 2Dorado, PR 00646 (787) 467‑1267
  • 5260 C Ngel Prez LugoPonce, PR 00716
  • 528 Calle Padre DelgadoVega Alta, PR 00692

Specialties

Find other clinicians: Clinical Social Worker, Puerto Rico →

Other clinical social workers in Puerto Rico

Clinicians with the same Medicare primary specialty in Puerto Rico — not a recommendation.

All clinical social workers in Puerto Rico →

Clinician information

CredentialCSW
Graduation year2025
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1457234395
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 2026-10-02, retrieved 2026-10-29
  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