Jaswinder Sidhu, M.D.
Internal Medicine Physician · Oconomowoc, WI
Jaswinder Sidhu, M.D. is an internal medicine physician with a practice address in Oconomowoc, Wisconsin, and NPI 1073628509, issued on Aug 21, 2006. Check the license (Wisconsin 40698, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jaswinder Sidhu
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 40698 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1085 Corporate Center Dr, Oconomowoc, WI 53066
- Phone
- (262) 928-8400
- Enumerated
- Aug 21, 2006
- Record last updated
- Mar 22, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (262) 928-8484
- Medicaid ID
- 34323900 WI
- Medicare enrollment
- Enrolled (PECOS I20100129000344); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Verify Jaswinder Sidhu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 40698Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.7 times the Medicare Part D claims of the average internal medicine physician in 2024
18,010 Medicare Part D claims for 712 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Atorvastatin Calcium1,018 claims
- Pantoprazole Sodium810 claims
- Eliquis763 claims
- Furosemide741 claims
- Amlodipine Besylate559 claims
- Gabapentin517 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
- Oak Medical SCBrookfield, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jaswinder Sidhu among 2,078 internal medicine physician records in Wisconsin
Jaswinder Sidhu, M.D. 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1978 · median 2002 among the 1,098 with a school on file
- Record last updated2016 · 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).
12 internal medicine physician records list a practice address in Oconomowoc
They are 12 of the 506 NPPES records with a practice address in Oconomowoc, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Oconomowoc → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Tulay Aksoy, MDSummit, WI 530661245485697
- Brenda Boschek, M.D.Oconomowoc, WI 530661154393833
- Julius BreyerOconomowoc, WI 530661760621809
- Dan Cleary, MDOconomowoc, WI 530661972615136
- Eric Conradson, M.D.Oconomowoc, WI 530661518976232
- William Cooper, MDOconomowoc, WI 530661023078037
- Pravin Gupta, M.D.Summit, WI 530661124132188
- Brett Linzer, M.D.Oconomowoc, WI 530661083686653
Common questions
What is Jaswinder Sidhu, M.D.'s NPI number?
Jaswinder Sidhu, M.D.'s National Provider Identifier (NPI) is 1073628509, issued on Aug 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jaswinder Sidhu, M.D. located?
The NPPES record lists a practice address at 1085 Corporate Center Dr, Oconomowoc, WI, 53066. Phone: (262) 928-8400. Providers update this record themselves, so call before visiting.
How can I verify Jaswinder Sidhu, M.D.'s license?
NPPES lists Wisconsin license number 40698, 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 Jaswinder Sidhu, M.D. prescribe under Medicare Part D?
In 2024, Jaswinder Sidhu, M.D. had 18,010 Medicare Part D claims for 712 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.