NPPES file of Aug 9, 2026

William M. Wilson, MD MBBS

Family Medicine Physician · Whitewater, WI

William M. Wilson, MD MBBS is a family medicine physician with a practice address in Whitewater, Wisconsin, and NPI 1801865860, issued on Mar 14, 2006. Check the license (Wisconsin 35017-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801865860
Name
William M. Wilson
Credential
MD MBBS
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
35017-20 WI
Self-reported in NPPES; status is on the state search
Practice location
507 W Main St, Whitewater, WI 53190
Phone
(262) 473-0400
Enumerated
Mar 14, 2006
Record last updated
Oct 31, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(262) 473-0408
Medicaid ID
1801865860 WI
Medicare enrollment
Enrolled (PECOS I20100610000352); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 507 W Main St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lisa Brellenthin, APNPNurse Practitioner1992087498
  2. Nancy Harris, MDFamily Medicine Physician1043236136
  3. Sarah Pope, DOFamily Medicine Physician1811524143
  4. Cheryl Roux, APRN, FNPFamily Nurse Practitioner1841946274

Verify William M. Wilson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 35017-20
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

18% fewer Medicare Part D claims than the average family medicine physician in 2024

2,916 Medicare Part D claims for 291 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 74 claims were for opioids.

  1. William Wilson2,916
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium151 claims
  2. Lisinopril131 claims
  3. Levothyroxine Sodium126 claims
  4. Amlodipine Besylate106 claims
  5. Omeprazole101 claims
  6. Losartan Potassium94 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

  1. Mercy Health System CorporationWhitewater, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

10 family medicine physician records list a practice address in Whitewater

They are 10 of the 136 NPPES records with a practice address in Whitewater, and 3,765 family medicine physician records in Wisconsin.

Other family medicine physician records in Wisconsin

  1. Ashraf AbbasAppleton, WI1558723775
  2. Ghudran Abdulal, MDNew Berlin, WI1083622666
  3. Yusuf Abdullah, DOSun Prairie, WI1437788478
  4. Vanessa Abejuela-Matt, D.O.Mount Pleasant, WI1558687749
  5. Emily Abeyta, MDWaukesha, WI1386905107
  6. Jeanette Abraham, MDWeston, WI1205895810
  7. Sarada Abraham, M.D.Oconomowoc, WI1962851972
  8. Kirsten Abramson, MDMadison, WI1417909979
  9. Alexandra Adams, MD PHDMadison, WI1184689291
  10. David AdamsMadison, WI1992986897

Common questions

What is William M. Wilson, MD MBBS's NPI number?

William M. Wilson, MD MBBS's National Provider Identifier (NPI) is 1801865860, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William M. Wilson, MD MBBS located?

The NPPES record lists a practice address at 507 W Main St, Whitewater, WI, 53190. Phone: (262) 473-0400. Providers update this record themselves, so call before visiting.

How can I verify William M. Wilson, MD MBBS's license?

NPPES lists Wisconsin license number 35017-20, 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 William M. Wilson, MD MBBS prescribe under Medicare Part D?

In 2024, William M. Wilson, MD MBBS had 2,916 Medicare Part D claims for 291 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.