JILL O'HARA MD
NPI 1700270733
Pediatrics - Pediatric Critical Care Medicine in Boston, MA

Active since March 27, 2015PECOS EnrolledAccepts Medicare Assignment
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: May 27, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 27, 2022, Jun 25, 2018, May 15, 2018 (3 updates tracked since 2018).

About Jill O'hara Md NPPES

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

JILL O'HARA MD (NPI 1700270733) is an individual pediatric critical care medicine provider in Boston, Massachusetts, licensed in Massachusetts (279630) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS, is affiliated with Boston Children's Hospital, and is a graduate of University Of Texas Medical School At San Antonio (2015).

NPPES Registry Identity

NPI1700270733
Entity TypeIndividualFemale
Primary Taxonomy2080P0203X
Provider Legal NameJILL O'HARACredential: MD
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 2015
Enumeration DateMarch 27, 2015
Last NPPES UpdateMay 27, 20223 updates tracked since enumeration
NPPES CertifiedMay 27, 2022
✔ NPI 1700270733 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License✔ Licensed in MA · 279630
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
300 LONGWOOD AVE, Boston, MA 02115

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jill O'hara Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8123329927
PECOS Enrollment IDI20220607002351
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Jill O'hara reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
300 LONGWOOD AVE
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,358 clinicians in this Medicare group
Pediatric Cardiology
300 LONGWOOD AVE
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 220 clinicians in this Medicare group
Pediatric Anesthesiology
300 LONGWOOD AVE
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 86 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Boston Children's Hospital

Childrens · Boston, MA
OwnershipVoluntary non-profit - Private
CMS Certification Number223302
Location300 Longwood AvenueBoston, MA 02115 · Suffolk County
Emergency services

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 Jill O'hara's NPI number?

The NPI number for Jill O'hara is 1700270733. It was assigned to this individual provider in the NPPES registry on March 27, 2015.

Where is Jill O'hara located?

Jill O'hara practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.

What is Jill O'hara's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Jill O'hara enrolled in Medicare?

Yes. Jill O'hara is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Jill O'hara's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jill O'hara reassigns Medicare benefits to 3 organizations: Children's Hospital Pediatric Associates, Inc (Boston, MA), Boston Childrens Heart Foundation Inc (Boston, MA) and Chmc Anesthesia Foundation Inc (Boston, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jill O'hara's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jill O'hara accept?

Health plans from CareSource list Jill O'hara as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Jill O'hara affiliated with any hospitals?

According to CMS data, Jill O'hara is affiliated with Boston Children's Hospital.

When was this NPI record last updated?

The NPPES record for Jill O'hara was last updated on May 27, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.