Thomas Mark Ledoux, PSY.D.
Cognitive & Behavioral Psychologist · La Crosse, WI
Thomas Mark Ledoux, PSY.D. is a cognitive & behavioral psychologist with a practice address in La Crosse, Wisconsin, and NPI 1255693115, issued on Jun 15, 2012. Check the license (Wisconsin 3406, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thomas Mark Ledoux
- Credential
- PSY.D.
- Primary taxonomy
- Cognitive & Behavioral Psychologist 103TB0200X
- License number
- 3406 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1836 South Ave, La Crosse, WI 54601
- Phone
- (608) 782-7300
- Enumerated
- Jun 15, 2012
- Record last updated
- Oct 18, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160921002008); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1836 South Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frank Aberger, MDGastroenterology Physician1396748711
- Bradley Abicht, DPMPodiatrist1962632166
- Carter Abicht, DOAnesthesiology Physician1932736642
- Grace AbichtCertified Registered Nurse Anesthetist1003651555
- Paul Abicht, CRNACertified Registered Nurse Anesthetist1528061843
- Mateen Abidi, M.DCardiovascular Disease Physician1730333980
Verify Thomas Mark Ledoux in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3406Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Gundersen Lutheran Medical Center IncLa Crosse, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cognitive & Behavioral Psychologist providers in Wisconsin
There are 19 cognitive & behavioral psychologist records in Wisconsin.
Other cognitive & behavioral psychologist records in Wisconsin
- Marlene Bannen, PHDLa Crosse, WI1922002914
- Jessica Barraza, DRGreen Bay, WI1831037142
- Irene Bartell, PH.D.Madison, WI1982874525
- Jeanne Behrend, PHDMadison, WI1962574665
- Patricia Horn, PHDSheboygan, WI1154307148
- Lisa Kercher, PHDSheboygan, WI1679559678
- Richard Listiak, PHDLa Crosse, WI1134125149
- John O'Donnell, PH.D.Glendale, WI1962462093
- Denyse Olson-Dorff, PSYLa Crosse, WI1386648723
- Janis Oppitz, ED.D, MA, PPS, NCSPBrookfield, WI1366336075
Common questions
What is Thomas Mark Ledoux, PSY.D.'s NPI number?
Thomas Mark Ledoux, PSY.D.'s National Provider Identifier (NPI) is 1255693115, issued on Jun 15, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Mark Ledoux, PSY.D. located?
The NPPES record lists a practice address at 1836 South Ave, La Crosse, WI, 54601. Phone: (608) 782-7300. Providers update this record themselves, so call before visiting.
How can I verify Thomas Mark Ledoux, PSY.D.'s license?
NPPES lists Wisconsin license number 3406, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity 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.