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

Critical Care (Intensivists)

Jill E. O'Hara, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Jill E. O'Hara, MD (Critical Care (Intensivists)) is listed by Medicare at 1 hospital in Boston, MA. NPI 1700270733. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jill E. O'Hara, 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

Critical Care (Intensivists)Primary specialty
YesAccepts Medicare assignment
11Years since medical school (graduated 2015)
University Of Texas Medical School At San AntonioMedical school
FemaleGender (as listed)
CHMC Anesthesia Foundation IncGroup practice

Quick answers

Which hospitals does Jill E. O'Hara work at?
Medicare's official clinician data lists Jill E. O'Hara at 1 hospital: Boston Children's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jill E. O'Hara see patients?
Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
What is Jill E. O'Hara's specialty?
Medicare lists Critical Care (Intensivists) as the primary specialty, and also Pediatric Medicine.
Does Jill E. O'Hara accept Medicare assignment?
Yes. Medicare's clinician data says Jill E. O'Hara 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 Jill E. O'Hara?
(617) 355-6000, as listed in official Medicare / NPI Registry data.
What is Jill E. O'Hara's NPI number?
1700270733. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jill E. O'Hara works

Medicare's Facility Affiliation Data lists Jill E. O'Hara at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Jill E. O'Hara is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jill E. O'Hara as a member of this group (CMS data updated 2026-10-02).

  • CHMC Anesthesia Foundation Inc126 clinicians in the group

Specialties

Find other Critical Care (Intensivists) doctors in Massachusetts →

Other critical care doctors in Boston

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

All critical care doctors in Boston →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At San Antonio
Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1700270733
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians