William Henry Bull, MD
Internal Medicine Physician · Beaver Dam, WI
William Henry Bull, MD is an internal medicine physician with a practice address in Beaver Dam, Wisconsin, and NPI 1104511179, issued on Apr 6, 2023. Check the license (Wisconsin 85839-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- William Henry Bull
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 85839-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 705 S University Ave, Beaver Dam, WI 53916
- Phone
- (920) 887-9272
- Enumerated
- Apr 6, 2023
- Record last updated
- Jun 11, 2026
- Entity
- Type 1 · individual
Also registered at 705 S University Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Augustson, MDFamily Medicine Physician1770534208
- Seth Barudin, MDFamily Medicine Physician1821051640
- Marie Berry, APNPNurse Practitioner1164473591
- Ronay BjerkePharmacist1871847731
- Edward Cody, MDFamily Medicine Physician1144271677
- Douglas Cronin, PA-CPhysician Assistant1487605937
Verify William Henry Bull in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 85839-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
315 Medicare Part D claims for 64 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium23 claims
- Aripiprazole12 claims
- Bupropion Xl12 claims
- Venlafaxine Hcl Er12 claims
- Hydrochlorothiazide11 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.
9 internal medicine physician records list a practice address in Beaver Dam
They are 9 of the 412 NPPES records with a practice address in Beaver Dam, and 2,078 internal medicine physician records in Wisconsin.
All 9 in Beaver Dam → All 2,078 in Wisconsin → Every provider in Beaver Dam →
Other internal medicine physician records in Wisconsin
- Sheetal Aatrai, MDMarshfield, WI1417568965
- Khalid Abdelgadir, MDManitowoc, WI1407433295
- Mesfin Abdissa, MDMilwaukee, WI1376579417
- Anas Abed, MDMadison, WI1659002566
- Margaret Abel, MDRhinelander, WI1477590487
- Mesfin Abera, M.D.Beaver Dam, WI1972852390
- Vidthya Abraham, M.D.Madison, WI1861836058
- Ismael Abu Limon, MDGreenfield, WI1467945543
- Amjed Abu Muhanna, MDMarinette, WI1861514135
- Satish Achanti, MDAppleton, WI1982711198
Common questions
What is William Henry Bull, MD's NPI number?
William Henry Bull, MD's National Provider Identifier (NPI) is 1104511179, issued on Apr 6, 2023. An NPI identifies a provider in billing; it is not a license.
Where is William Henry Bull, MD located?
The NPPES record lists a practice address at 705 S University Ave, Beaver Dam, WI, 53916. Phone: (920) 887-9272. Providers update this record themselves, so call before visiting.
How can I verify William Henry Bull, MD's license?
NPPES lists Wisconsin license number 85839-20, 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 Henry Bull, MD prescribe under Medicare Part D?
In 2024, William Henry Bull, MD had 315 Medicare Part D claims for 64 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.