Sarfraz Singh Sidhu, M.D.
Internal Medicine Physician · Waukesha, WI
Sarfraz Singh Sidhu, M.D. is an internal medicine physician with a practice address in Waukesha, Wisconsin, and NPI 1801946462, issued on Jan 12, 2007. Check the license (Wisconsin 49643, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Sarfraz Singh Sidhu
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 49643 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2428 N Grandview Blvd Ste 102, Waukesha, WI 53188
- Phone
- (262) 875-5070
- Enumerated
- Jan 12, 2007
- Record last updated
- Jun 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070626000677); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 2428 N Grandview Blvd Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Peggy Fritsch, DNPNurse Practitioner1104647072
- Deonte Gibbs, MN-CNL, PMHNP-BCAdult Psychiatric/Mental Health Registered Nurse1790428357
- Whitney Hoffmann, DOInternal Medicine Physician1730539206
- Hannah Jochman, APNP, FNP-CFamily Nurse Practitioner1275056285
- Claire Maslowski, APNPFamily Nurse Practitioner1740842012
- Colleen McElroy, APNPNurse Practitioner1932849668
Verify Sarfraz Singh Sidhu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 49643Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22.1 times the Medicare Part D claims of the average internal medicine physician in 2024
70,096 Medicare Part D claims for 2,226 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 87 claims were for opioids.
Most prescribed
- Atorvastatin Calcium3,631 claims
- Eliquis3,239 claims
- Furosemide2,894 claims
- Gabapentin2,513 claims
- Levothyroxine Sodium2,395 claims
- Amlodipine Besylate2,131 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 2 group practices
- Maple Medical SCWaukesha, WI
- Oak Medical SCWaukesha, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarfraz Singh Sidhu among 2,078 internal medicine physician records in Wisconsin
Sarfraz Singh 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 2007, is newer than 54% of them.
- NPI issued2007 · 54% of these records are older, 40% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2003 · 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).
42 internal medicine physician records list a practice address in Waukesha
They are 42 of the 2,814 NPPES records with a practice address in Waukesha, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Waukesha → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Gerald Berman, M.D.Waukesha, WI 531881215909734
- William Boehm, M.D.Waukesha, WI 531881346213519
- Wendy Cooper, M.D.Waukesha, WI 531881720051824
- Thomas Dougherty, MDWaukesha, WI 531881487639902
- John Fish, M.D.Waukesha, WI 531881033188446
- Thomas Gallagher, M.D.Waukesha, WI 531881942273677
- Peter Geiss, M.D.Waukesha, WI 531881881666782
- Martin Kern, MDWaukesha, WI 531881215938758
Common questions
What is Sarfraz Singh Sidhu, M.D.'s NPI number?
Sarfraz Singh Sidhu, M.D.'s National Provider Identifier (NPI) is 1801946462, issued on Jan 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sarfraz Singh Sidhu, M.D. located?
The NPPES record lists a practice address at 2428 N Grandview Blvd Ste 102, Waukesha, WI, 53188. Phone: (262) 875-5070. Providers update this record themselves, so call before visiting.
How can I verify Sarfraz Singh Sidhu, M.D.'s license?
NPPES lists Wisconsin license number 49643, 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 Sarfraz Singh Sidhu, M.D. prescribe under Medicare Part D?
In 2024, Sarfraz Singh Sidhu, M.D. had 70,096 Medicare Part D claims for 2,226 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.