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Otolaryngology

Isobel O'Riordan

Sees patients in Boston, MA · Massachusetts

Summary

Isobel O'Riordan is an ENT doctor at 300 Longwood Ave, Boston, MA 02115. May accept Medicare assignment. NPI 1487326328. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: ENT doctor (Medicare lists Otolaryngology)
  • Address: 300 Longwood Ave, Boston, MA 02115 · Directions
  • Medicare: May accept Medicare assignment
  • Medical school: graduated 2014 (12 years since medical school)
  • Gender (as listed): Female
NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Isobel O'Riordan, 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 Isobel O'Riordan accept Medicare assignment?
Medicare's clinician data says Isobel O'Riordan may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Isobel O'Riordan's NPI number?
1487326328. 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 Isobel O'Riordan is enrolled with Medicare (CMS data updated October 2, 2026).

  • 300 Longwood AveBoston, MA 02115

Specialties

Find other Otolaryngology doctors in Massachusetts →

Other ENT doctors in Boston

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

All ENT doctors in Boston →

Clinician information

Graduation year2014 (12 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1487326328
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