TIMOTHY J O'CONNOR M.D.
NPI 1437314358
Orthopaedic Surgery in Eau Claire, WI
About Timothy J O'connor M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIMOTHY J O'CONNOR M.D. (NPI 1437314358) is an individual orthopaedic surgery provider in Eau Claire, Wisconsin, licensed in Wisconsin (53710) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Health System Eau Claire Hospital, and is a graduate of Georgetown University School Of Medicine (2008).
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
Timothy J O'connor M.d. 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 Reassignment
Medicare enrollment records show Timothy O'connor reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Eau Claire, WI 54701
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1154372944 (Wisconsin), NPI 1740239557 (Wisconsin)
- 1,248 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mayo Clinic Health System Eau Claire Hospital
Acute Care Hospitals · Eau Claire, WIMayo Clinic Health System-Northland
Critical Access Hospitals · Barron, WIMayo Clinic Health System-Red Cedar Inc
Critical Access Hospitals · Menomonie, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54703 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.
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 Timothy O'connor's NPI number?
The NPI number for Timothy O'connor is 1437314358. It was assigned to this individual provider in the NPPES registry on July 21, 2008.
Where is Timothy O'connor located?
Timothy O'connor practices at 1400 Bellinger St, Eau Claire, WI 54703. The listed phone number is (715) 838-5222.
What is Timothy O'connor's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Timothy O'connor enrolled in Medicare?
Yes. Timothy O'connor 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 organization bills Medicare for Timothy O'connor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy O'connor reassigns Medicare benefits to Mayo Clinic Health System-Northwest Wisconsin Region, Inc. (Eau Claire, WI). 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 Timothy O'connor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Timothy O'connor accept?
Health plans from Anthem Blue Cross and Blue Shield and Security Health Plan list Timothy O'connor 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 Timothy O'connor affiliated with any hospitals?
According to CMS data, Timothy O'connor is affiliated with Mayo Clinic Health System Eau Claire Hospital, Mayo Clinic Health System-Northland and Mayo Clinic Health System-Red Cedar Inc.
When was this NPI record last updated?
The NPPES record for Timothy O'connor was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.