DR. JAMES E. O'BRIEN JR. M.D.
NPI 1528017746
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Kansas City, MO
About Dr. James E. O'brien Jr. M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES E. O'BRIEN JR. M.D. (NPI 1528017746) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Kansas City, Missouri, licensed in Missouri (2001013807) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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)
Dr. James E. O'brien Jr. M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show James O'brien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Kansas City, MO 64108
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: The Childrens Mercy Hospital
- 603 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 64108 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
KANSAS CITY, MO 64108
KANSAS CITY, MO 64108
KANSAS CITY, MO 64108
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 James O'brien's NPI number?
The NPI number for James O'brien is 1528017746. It was assigned to this individual provider in the NPPES registry on May 6, 2006.
Where is James O'brien located?
James O'brien practices at 2401 Gillham Rd, Kansas City, MO 64108. The listed phone number is (816) 234-3000.
What is James O'brien's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is James O'brien enrolled in Medicare?
Yes. James O'brien is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for James O'brien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James O'brien reassigns Medicare benefits to The Children's Mercy Hospital (Kansas City, MO). 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 James O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James O'brien accept?
Health plans from Anthem Blue Cross and Blue Shield and Blue Cross and Blue Shield of Kansas City list James 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 James O'brien was last updated on November 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.