TIMOTHY R COX MD
NPI 1891712394
Family Medicine in La Crosse, WI
About Timothy R Cox Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIMOTHY R COX MD (NPI 1891712394) is an individual family medicine provider in La Crosse, Wisconsin, licensed in Wisconsin (45968) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Health System-franciscan Medical Center Inc, and maintains a secondary practice location in Onalaska.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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 R Cox 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 Reassignment
Medicare enrollment records show Timothy Cox reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
La Crosse, WI 54601
- Reassigned Medicare billing, Iowa, Minnesota and Wisconsin enrollments
- Also billed through NPI 1841278637 (Wisconsin)
- 12 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mayo Clinic Health System-Franciscan Medical Center Inc
Acute Care Hospitals · La Crosse, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54601 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 Cox's NPI number?
The NPI number for Timothy Cox is 1891712394. It was assigned to this individual provider in the NPPES registry on July 17, 2006.
Where is Timothy Cox located?
Timothy Cox practices at 700 West Ave S, La Crosse, WI 54601. The listed phone number is (608) 785-0940.
What is Timothy Cox's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Timothy Cox enrolled in Medicare?
Yes. Timothy Cox 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 Cox's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Cox reassigns Medicare benefits to Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (La Crosse, 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 Cox's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Timothy Cox affiliated with any hospitals?
According to CMS data, Timothy Cox is affiliated with Mayo Clinic Health System-Franciscan Medical Center Inc.
When was this NPI record last updated?
The NPPES record for Timothy Cox was last updated on September 16, 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.
# Timothy R Cox, MD · NPI 1891712394
Family Medicine physician in La Crosse, Wisconsin. Individual provider, active in the CMS NPPES registry since July 17, 2006.
## Identity
- **NPI:** 1891712394 (Entity type: Individual)
- **Enumerated:** July 17, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 45968 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 700 WEST AVE S, La Crosse, WI 54601-4783
- **Phone:** (608) 785-0940
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (NPI 1629056049, La Crosse, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Kansas School Of Med, class of 2000
## Record status
- **NPPES last updated:** September 16, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1891712394) · Data from the CMS NPPES public registry.