Osaid K. Ahmad, MD
Nephrology Physician · Neenah, WI
Osaid K. Ahmad, MD is a nephrology physician with a practice address in Neenah, Wisconsin, and NPI 1689618589, issued on Jun 15, 2006. Check the license (Wisconsin 42175020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Osaid K. Ahmad
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 42175020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 300 N Commercial St, Neenah, WI 54956
- Phone
- (920) 886-0818
- Enumerated
- Jun 15, 2006
- Record last updated
- Feb 10, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (920) 886-0773
- Medicaid ID
- 34696700 WI
- Medicare enrollment
- Enrolled (PECOS I20051005000491); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 300 N Commercial St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Koeper, MDNephrology Physician1487698387
- Jennifer McCormick, PAMedical Physician Assistant1669423323
- Atif Qureshi, MDNephrology Physician1629014790
- Kim Riess-Sagers, MDNephrology Physician1235173121
- Laura Stafford, APNPAcute Care Nurse Practitioner1245848423
Verify Osaid K. Ahmad in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 42175020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average nephrology physician in 2024
471 Medicare Part D claims for 103 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Furosemide88 claims
- Calcitriol49 claims
- Amlodipine Besylate47 claims
- Lisinopril39 claims
- Sevelamer Carbonate38 claims
- Calcium Acetate28 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.
Industry payments in 2024: $75.10
4 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Fox Valley Nephrology Partners S CNeenah, WI
- St Vincent Hospital-Hospital Sisters-Third Order OF St FrancisGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nephrology Physician providers in Wisconsin
There are 207 nephrology physician records in Wisconsin.
Other nephrology physician records in Wisconsin
- Pablo Abrego, MDWausau, WI1689774317
- Uzoamaka Achufusi, MBBSFitchburg, WI1154558773
- Christopher Adams, MDLa Crosse, WI1760521769
- Venkata Adavikolanu, MDGreen Bay, WI1568804078
- Omer Afzal, M.D.Waukesha, WI1952393944
- Edward Ahrens, M.D.Madison, WI1225119522
- Manohar Ahuja, M.D.Milwaukee, WI1467426064
- Wadad Ailabouni, MDMarshfield, WI1811196355
- Adedamola AkinsikuMilwaukee, WI1619715760
- Younus Al-Midfai, MDWaukesha, WI1821626979
Common questions
What is Osaid K. Ahmad, MD's NPI number?
Osaid K. Ahmad, MD's National Provider Identifier (NPI) is 1689618589, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Osaid K. Ahmad, MD located?
The NPPES record lists a practice address at 300 N Commercial St, Neenah, WI, 54956. Phone: (920) 886-0818. Providers update this record themselves, so call before visiting.
How can I verify Osaid K. Ahmad, MD's license?
NPPES lists Wisconsin license number 42175020, 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 Osaid K. Ahmad, MD prescribe under Medicare Part D?
In 2024, Osaid K. Ahmad, MD had 471 Medicare Part D claims for 103 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.