William K. Clanfield, MD
Hospitalist Physician · Janesville, WI
William K. Clanfield, MD is a hospitalist physician with a practice address in Janesville, Wisconsin, and NPI 1326085648, issued on Jun 2, 2006. Check the license (Wisconsin 31105-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William K. Clanfield
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 31105-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3400 E Racine St, Janesville, WI 53546
- Phone
- (608) 373-8000
- Enumerated
- Jun 2, 2006
- Record last updated
- Nov 5, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 1326085648 WI
- Entity
- Type 1 · individual
Also registered at 3400 E Racine St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Bayley, M.D.Anesthesiology Physician1316918923
- Lawrence Beck, CRNACertified Registered Nurse Anesthetist1003872052
- Robert Bisenius, CRNACertified Registered Nurse Anesthetist1689923617
- Jennifer Canik, OTOccupational Therapist1033517677
- Chijen Chen, M.D.Hospitalist Physician1912589946
- Tracy Cotter, MDAnesthesiology Physician1447209572
Verify William K. Clanfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 31105-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Hospitalist Physician providers in Wisconsin
There are 894 hospitalist physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other hospitalist physician records in Wisconsin
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- Abubaker Abdalla, MDMilwaukee, WI1194187617
- Ihab Abdalrahman, MDMarshfield, WI1497855134
- Mohamed Fouzi Abdul Hameed, M.D.Weston, WI1255590899
- Hamza Abdul Majeed, DOMilwaukee, WI1881013282
- Vincent Abejuela, DOMilwaukee, WI1356928543
- Lolia Abibo, M.D.Milwaukee, WI1912359795
- Haisam Abid, MBBSMilwaukee, WI1578083184
- Islam Abo Al Nadie, MDMilwaukee, WI1326618786
- Zaid Abood, MDMilwaukee, WI1194254334
Common questions
What is William K. Clanfield, MD's NPI number?
William K. Clanfield, MD's National Provider Identifier (NPI) is 1326085648, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William K. Clanfield, MD located?
The NPPES record lists a practice address at 3400 E Racine St, Janesville, WI, 53546. Phone: (608) 373-8000. Providers update this record themselves, so call before visiting.
How can I verify William K. Clanfield, MD's license?
NPPES lists Wisconsin license number 31105-20, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.