Sumaiya Siddiqi, MD
Nephrology Physician · La Crosse, WI
Sumaiya Siddiqi, MD is a nephrology physician with a practice address in La Crosse, Wisconsin, and NPI 1679607709, issued on Mar 14, 2007. Check the license (Wisconsin 55111, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Sumaiya Siddiqi
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 55111 WI
40028 IA
22688 WV
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 14, 2007
- 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, DPMStudent in an Organized Health Care Education/Training Program1962632166
- Carter Abicht, DOAnesthesiology Physician1932736642
- Grace AbichtCertified Registered Nurse Anesthetist1003651555
- Paul Abicht, CRNACertified Registered Nurse Anesthetist1528061843
- Mateen Abidi, M.DCardiovascular Disease Physician1730333980
Verify Sumaiya Siddiqi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 55111Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.4 times the Medicare Part D claims of the average nephrology physician in 2024
3,689 Medicare Part D claims for 488 beneficiaries, against an average of 1,511 among the 8,473 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Calcitriol361 claims
- Amlodipine Besylate313 claims
- Furosemide277 claims
- Bumetanide228 claims
- Lisinopril174 claims
- Metoprolol Succinate166 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.
3 hospital and facility affiliations
- Gundersen Clinic LtdSparta, WI
- Gundersen Lutheran Medical Center IncLa Crosse, WI
- Gundersen Regional Clinics, LLCDecorah, IA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Nephrology Physician providers in Wisconsin
There are 170 nephrology physician records in Wisconsin.
Other nephrology physician records in Wisconsin
- Uzoamaka Achufusi, MBBSFitchburg, WI1154558773
- Venkata Adavikolanu, MDGreen Bay, WI1568804078
- Omer Afzal, M.D.Waukesha, WI1952393944
- Osaid Ahmad, MDNeenah, WI1689618589
- Edward Ahrens, M.D.Madison, WI1225119522
- Manohar Ahuja, M.D.Milwaukee, WI1467426064
- Wadad Ailabouni, MDMarshfield, WI1811196355
- Adedamola AkinsikuMilwaukee, WI1619715760
- Younus Al-Midfai, MDWaukesha, WI1821626979
- Sayee Sundar Alagusundaramoorthy, M.B.B.S.,Madison, WI1932514619
Common questions
What is Sumaiya Siddiqi, MD's NPI number?
Sumaiya Siddiqi, MD's National Provider Identifier (NPI) is 1679607709, issued on Mar 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sumaiya Siddiqi, MD 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 Sumaiya Siddiqi, MD's license?
NPPES lists Wisconsin license number 55111, 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 Sumaiya Siddiqi, MD prescribe under Medicare Part D?
In 2024, Sumaiya Siddiqi, MD had 3,689 Medicare Part D claims for 488 beneficiaries; the average among nephrology physician prescribers was 1,511. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.