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Emergency Medicine

Lina S. Martir Ramirez, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Dr. Lina S. Martir Ramirez, MD is an emergency medicine doctor at 1 Boston Medical Ctr Pl, Boston, MA 02118. Phone: (617) 414-5481. Accepts Medicare assignment. NPI 1437725421. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 1 Boston Medical Ctr Pl, Boston, MA 02118 · Directions
  • Phone: (617) 414‑5481
  • Medicare: Accepts Medicare assignment
  • Hospital: Boston Medical Center
  • Group practice: Boston Emergency Physician Foundation Inc
  • Medical school: Ponce School Of Medicine · graduated 2023 (3 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Lina S. Martir Ramirez, 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 Lina S. Martir Ramirez accept Medicare assignment?
Yes. Medicare's clinician data says Lina S. Martir Ramirez 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 Lina S. Martir Ramirez's NPI number?
1437725421. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Lina S. Martir Ramirez works

Medicare's Facility Affiliation Data lists Lina S. Martir Ramirez at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Boston Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220031

Practice locations

Addresses where Lina S. Martir Ramirez is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lina S. Martir Ramirez as a member of this group (CMS data updated October 2, 2026).

  • Boston Emergency Physician Foundation Inc77 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Massachusetts →

Other emergency medicine doctors in Boston

Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.

All emergency medicine doctors in Boston →

Other clinicians in Boston Emergency Physician Foundation Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolPonce School Of Medicine
Graduation year2023 (3 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437725421
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians