Timothy R. Cox, MD
Family Medicine Physician · La Crosse, WI
Timothy R. Cox, MD is a family medicine physician with a practice address in La Crosse, Wisconsin, and NPI 1891712394, issued on Jul 17, 2006. Check the license (Wisconsin 45968, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Timothy R. Cox
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 45968 WI
39595 IA
54388 MN
Self-reported in NPPES; status is on the state search - Practice location
- 700 West Ave S, La Crosse, WI 54601
- Phone
- (608) 785-0940
- Enumerated
- Jul 17, 2006
- Record last updated
- Sep 16, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20111011000075); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 2000
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 700 West Ave S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Timothy R. Cox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 45968Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family medicine physician in 2024
432 Medicare Part D claims for 310 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Prednisone78 claims
- Cephalexin36 claims
- Amoxicillin-Clavulanate Potass30 claims
- Albuterol Sulfate Hfa29 claims
- Doxycycline Monohydrate28 claims
- Nitrofurantoin Mono-Macro21 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Mayo Clinic Health System-Southwest Wisconsin Region IncOnalaska, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy R. Cox among 3,765 family medicine physician records in Wisconsin
Timothy R. Cox, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2000 · median 2007 among the 2,347 with a school on file
- Record last updated2020 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
115 family medicine physician records list a practice address in La Crosse
They are 115 of the 3,735 NPPES records with a practice address in La Crosse, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in La Crosse → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Karl Borge, MDLa Crosse, WI 546011831193507
- Robyn Borge, MDLa Crosse, WI 546011528062296
- Craig Carr, MDLa Crosse, WI 546011780689190
- Karen Cowan, MDLa Crosse, WI 546011417951856
- Scott Escher, MDLa Crosse, WI 546011700881877
- Thomas Frisby, MDLa Crosse, WI 546011417952359
- Erik Gundersen, MDLa Crosse, WI 546011770588360
- Cheng Her, MDLa Crosse, WI 546011356346803
Common questions
What is Timothy R. Cox, MD's NPI number?
Timothy R. Cox, MD's National Provider Identifier (NPI) is 1891712394, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy R. Cox, MD located?
The NPPES record lists a practice address at 700 West Ave S, La Crosse, WI, 54601. Phone: (608) 785-0940. Providers update this record themselves, so call before visiting.
How can I verify Timothy R. Cox, MD's license?
NPPES lists Wisconsin license number 45968, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Timothy R. Cox, MD prescribe under Medicare Part D?
In 2024, Timothy R. Cox, MD had 432 Medicare Part D claims for 310 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.