Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

MS. Isobel O'Riordan, MD

Individual provider Pediatric Otolaryngology Physician · NPI 1487326328

MS. Isobel O'Riordan, MD is an Otolaryngology in Boston, Massachusetts. Qualified in 2014, 12 years ago. Licensed in Massachusetts.

Years since qualifying
12
Licensed in
MA
In the registry since
2021
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

300 Longwood Ave
Boston, MA 02115-5724
Phone: (617) 355-6000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Otolaryngology Physician (primary) Taxonomy 207YP0228X · Licence 1027595 (MA)

Record details

NPI number1487326328
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 29, 2021
Last updated in NPPESJuly 7, 2026
Certification dateJuly 7, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOTOLARYNGOLOGY
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Accepts Medicare assignment Not indicated

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