Timothy J. Buckley, DO
Internal Medicine Physician · La Crosse, WI
Timothy J. Buckley, DO is an internal medicine physician with a practice address in La Crosse, Wisconsin, and NPI 1578547493, issued on Dec 5, 2005. Check the license (Wisconsin 36763, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Timothy J. Buckley
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 36763 WI
02773 IA
Self-reported in NPPES; status is on the state search - Practice location
- 800 West Ave S, La Crosse, WI 54601
- Phone
- (608) 392-9886
- Enumerated
- Dec 5, 2005
- Record last updated
- Aug 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (608) 392-7851
- Medicare enrollment
- Enrolled (PECOS I20100628000277); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 1982
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 800 West Ave S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sadaf Altaf, MBBSPediatrics Physician1457492076
- Stephanie Andersen, OTROccupational Therapist1386773125
- Daniel Anderson, D.O.Neurology Physician1770996340
- Nitika Arora, M.D.Ophthalmology Physician1629419031
Verify Timothy J. Buckley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 36763Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average internal medicine physician in 2024
8,865 Medicare Part D claims for 633 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 730 claims were for opioids.
Most prescribed
- Atorvastatin Calcium410 claims
- Lisinopril316 claims
- Omeprazole280 claims
- Levothyroxine Sodium265 claims
- Methotrexate256 claims
- Amlodipine Besylate251 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 IncPrairie Du Chien, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy J. Buckley among 2,078 internal medicine physician records in Wisconsin
Timothy J. Buckley, DO is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1982 · median 2002 among the 1,098 with a school on file
- Record last updated2021 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
110 internal medicine physician records list a practice address in La Crosse
They are 110 of the 3,735 NPPES records with a practice address in La Crosse, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in La Crosse → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Christine Miller, MDLa Crosse, WI 546011366445934
- David Momont, MDLa Crosse, WI 546011649272964
- Sheila Momont, MDLa Crosse, WI 546011285636506
- Brian Mulrennan, MDLa Crosse, WI 546011073515391
- David Norenberg, MDLa Crosse, WI 546011235131517
- Steven Pearson, MDLa Crosse, WI 546011356343693
- Joan Romeyn, MDLa Crosse, WI 546011588667174
- Amanda Strosahl, MDLa Crosse, WI 546011063416857
Common questions
What is Timothy J. Buckley, DO's NPI number?
Timothy J. Buckley, DO's National Provider Identifier (NPI) is 1578547493, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Timothy J. Buckley, DO located?
The NPPES record lists a practice address at 800 West Ave S, La Crosse, WI, 54601. Phone: (608) 392-9886. Providers update this record themselves, so call before visiting.
How can I verify Timothy J. Buckley, DO's license?
NPPES lists Wisconsin license number 36763, 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 J. Buckley, DO prescribe under Medicare Part D?
In 2024, Timothy J. Buckley, DO had 8,865 Medicare Part D claims for 633 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.