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Family Practice

Maylynn Tossas Mojica, MD

Sees patients in San Juan, PR · Puerto Rico

Summary

Dr. Maylynn Tossas Mojica, MD is a family doctor at 999 Calle Alejo Cruzado, San Juan, PR 00924. Phone: (787) 750-0444. Accepts Medicare assignment. In 2024, Maylynn Tossas Mojica had 11 Original Medicare patients and 36 services. NPI 1396785556. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 999 Calle Alejo Cruzado, San Juan, PR 00924 · Directions
  • Phone: (787) 750‑0444
  • Medicare: Accepts Medicare assignment
  • Medical school: University Of Puerto Rico School Of Medicine · graduated 1990 (36 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Maylynn Tossas Mojica, 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 Maylynn Tossas Mojica accept Medicare assignment?
Yes. Medicare's clinician data says Maylynn Tossas Mojica 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 Maylynn Tossas Mojica see?
In 2024, CMS data shows 11 Original Medicare patients and 36 services for Maylynn Tossas Mojica. This counts Original Medicare only and measures volume, not quality.
What is Maylynn Tossas Mojica's NPI number?
1396785556. 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 Maylynn Tossas Mojica, 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 patients11
Services billed to Medicare36
Different services or procedures5
Participating Medicare providerYes
Average age of these patients78

Practice locations

Addresses where Maylynn Tossas Mojica is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Family Practice doctors in Puerto Rico →

Other family doctors in San Juan

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

All family doctors in San Juan →

Clinician information

CredentialMD
Medical schoolUniversity Of Puerto Rico School Of Medicine
Graduation year1990 (36 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396785556
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