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

Cardiovascular Disease (Cardiology)

Sharon E. Obrien, MD

Sees patients in Boston, MA · Massachusetts

Summary

Sharon E. Obrien, MD (Cardiovascular Disease (Cardiology)) is enrolled with Medicare at 1 practice location in Boston, MA. NPI 1427046598. 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 Sharon E. Obrien, 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

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
34Years since medical school (graduated 1992)
Loyola University Of Chicago, Stritch School Of MedicineMedical school
FemaleGender (as listed)
Child Health Foundation of Boston IncGroup practice

Quick answers

Where does Sharon E. Obrien see patients?
Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
What is Sharon E. Obrien's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Pediatric Medicine.
Does Sharon E. Obrien accept Medicare assignment?
Yes. Medicare's clinician data says Sharon E. Obrien 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 the phone number for Sharon E. Obrien?
(617) 414-5946, as listed in official Medicare / NPI Registry data.
What is Sharon E. Obrien's NPI number?
1427046598. 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 Sharon E. Obrien is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Sharon E. Obrien as a member of this group (CMS data updated 2026-10-02).

  • Child Health Foundation of Boston Inc30 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Massachusetts →

Other cardiologists in Boston

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

All cardiologists in Boston →

Clinician information

CredentialMD
Medical schoolLoyola University Of Chicago, Stritch School Of Medicine
Graduation year1992
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427046598
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