Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CLARE O'DONNELL MD
NPI 1649244500
Pediatrics - Pediatric Cardiology in Boston, MA

Active since February 15, 2006
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6793(617) 734-3157 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Clare O'donnell Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CLARE O'DONNELL MD (NPI 1649244500) is an individual pediatric cardiology provider in Boston, Massachusetts, licensed in Massachusetts (312836) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1649244500
Entity TypeIndividualFemale
Primary Taxonomy2080P0202X
Provider Legal NameCLARE O'DONNELLCredential: MD
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address91 Stiles Rd, Attn: Sharon SilvaSalem, NH 03079-2846 · (603) 893-9784 · Fax (603) 893-8886
Fax(617) 734-3157
Sole ProprietorNo
Enumeration DateFebruary 15, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1649244500 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
License Licensed in MA · 312836
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
300 LONGWOOD AVE, Boston, MA 02115

Other Identifiers 1

Medicaid186449MA

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Clare O'donnell's NPI number?

The NPI number for Clare O'donnell is 1649244500. It was assigned to this individual provider in the NPPES registry on February 15, 2006.

Where is Clare O'donnell located?

Clare O'donnell practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6793.

What is Clare O'donnell's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

When was this NPI record last updated?

The NPPES record for Clare O'donnell was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.