JILL O'HARA MD
NPI 1700270733
Pediatrics - Pediatric Critical Care Medicine in Boston, MA
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
Specialties & Licenses
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.
Medicare Billing Reassignments
3Medicare 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.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 1,358 clinicians in this Medicare group
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 220 clinicians in this Medicare group
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, MAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02115
BOSTON, MA 02115
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.