Hari Thambiah Vigneswaran
Urology Physician · La Crosse, WI
Hari Thambiah Vigneswaran is a urology physician with a practice address in La Crosse, Wisconsin, and NPI 1811359425, issued on Mar 23, 2016. Check the license (Wisconsin 77181, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Hari Thambiah Vigneswaran
- Primary taxonomy
- Urology Physician 208800000X
- License numbers
- 77181 WI
340539 NY
MD227988 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1836 South Ave, La Crosse, WI 54601
- Phone
- (608) 782-7300
- Enumerated
- Mar 23, 2016
- Record last updated
- Apr 1, 2026
- Medicare enrollment
- Enrolled (PECOS I20220923000469); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest urology physician records → All 259 in Wisconsin → Look up another NPI →
Also registered at 1836 South Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- 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 Hari Thambiah Vigneswaran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 77181Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average urology physician in 2024
21 Medicare Part D claims, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D.
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 3 group practices
- Gundersen Lutheran Medical Center IncLa Crosse, WI
- Salem HealthSalem, OR
- United Health Services Hospitals, Inc.Johnson City, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hari Thambiah Vigneswaran among 259 urology physician records in Wisconsin
Hari Thambiah Vigneswaran is one of 259 urology physician records with a practice address in Wisconsin. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 80% of them.
- NPI issued2016 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2016 · median 2002 among the 166 with a school on file
- Record last updated2026 · 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 208800000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Wisconsin
There are 259 urology physician records in Wisconsin.
All 259 in Wisconsin → Every provider in La Crosse → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Joseph Endrizzi, MDLa Crosse, WI 546011417952573
- Daniel Heslop, MDLa Crosse, WI 546011972009306
- Chris Hofland, M.D.La Crosse, WI 546011457322422
- Thomas Londergan, MDLa Crosse, WI 546011417953324
- Scott Pate, M.D.La Crosse, WI 546011194161562
- Michael Price, MDLa Crosse, WI 546011003807686
- Marvin Van Every, MDLa Crosse, WI 546011962407809
- Dana Rademacher, MDOnalaska, WI 546501033100086
Common questions
What is Hari Thambiah Vigneswaran's NPI number?
Hari Thambiah Vigneswaran's National Provider Identifier (NPI) is 1811359425, issued on Mar 23, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Hari Thambiah Vigneswaran 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 Hari Thambiah Vigneswaran's license?
NPPES lists Wisconsin license number 77181, 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 Hari Thambiah Vigneswaran prescribe under Medicare Part D?
In 2024, Hari Thambiah Vigneswaran had 21 Medicare Part D claims; the average among urology physician prescribers was 1,340. 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.