KATHLEEN B O'BRIEN MD
NPI 1861577959
Pediatrics - Sports Medicine in Philadelphia, PA
About Kathleen B O'brien Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHLEEN B O'BRIEN MD (NPI 1861577959) is an individual sports medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD069374L) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Wilmington.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Kathleen B O'brien Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Kathleen O'brien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Philadelphia, PA 19134
- Reassigned Medicare billing, Pennsylvania enrollment
- 479 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.
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.
PHILADELPHIA, PA 19134
PHILADELPHIA, PA 19134
PHILADELPHIA, PA 19134
PHILADELPHIA, PA 19134
PHILADELPHIA, PA 19134
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 Kathleen O'brien's NPI number?
The NPI number for Kathleen O'brien is 1861577959. It was assigned to this individual provider in the NPPES registry on October 26, 2006.
Where is Kathleen O'brien located?
Kathleen O'brien practices at 160 E Erie Ave, Philadelphia, PA 19134. The listed phone number is (215) 427-3131.
What is Kathleen O'brien's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Sports Medicine, with taxonomy code 2080S0010X.
Is Kathleen O'brien enrolled in Medicare?
Yes. Kathleen O'brien is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Kathleen O'brien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathleen O'brien reassigns Medicare benefits to Stc Pediatrics LLC (Philadelphia, PA). The 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 Kathleen O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kathleen O'brien accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Kathleen O'brien 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.
When was this NPI record last updated?
The NPPES record for Kathleen O'brien was last updated on July 15, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.