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

Obstetrics/Gynecology

Ruth N. Maisonet, MD

Sees patients in San Juan, PR · Puerto Rico

Summary

Ruth N. Maisonet, MD (Obstetrics/Gynecology) is enrolled with Medicare at 1 practice location in San Juan, PR. NPI 1104901099. 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 Ruth N. Maisonet, 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

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
33Years since medical school (graduated 1993)
University Central Del Caribe Escuela De MedicinaMedical school
FemaleGender (as listed)

Quick answers

Where does Ruth N. Maisonet see patients?
Medicare's clinician data lists 1 practice location in San Juan, PR. Call before your visit to confirm the address.
What is Ruth N. Maisonet's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Ruth N. Maisonet accept Medicare assignment?
Yes. Medicare's clinician data says Ruth N. Maisonet 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 Ruth N. Maisonet's NPI number?
1104901099. 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 Ruth N. Maisonet is enrolled with Medicare (CMS data updated 2026-10-02).

  • Rvdo Domingo Marrero Navarro, 4 Urb Sta RitaSan Juan, PR 00925

Specialties

Find other Obstetrics/Gynecology doctors in Puerto Rico →

Other OB-GYNs in San Juan

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

All OB-GYNs in San Juan →

Clinician information

CredentialMD
Medical schoolUniversity Central Del Caribe Escuela De Medicina
Graduation year1993
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1104901099
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