William Henry Knoedler, MD
Psychiatry Physician · Madison, WI
William Henry Knoedler, MD is a psychiatry physician with a practice address in Madison, Wisconsin, and NPI 1699873729, issued on Sep 20, 2006. Check the license (Wisconsin 18050, 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 Henry Knoedler
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 18050 WI
Self-reported in NPPES; status is on the state search - Practice location
- 108 S Webster St, Madison, WI 53703
- Phone
- (608) 266-0721
- Enumerated
- Sep 20, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (608) 266-3638
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 929 in Wisconsin → Look up another NPI →
Also registered at 108 S Webster St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Battaglia, MDPsychiatry Physician1811916430
Verify William Henry Knoedler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 18050Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Henry Knoedler among 929 psychiatry physician records in Wisconsin
William Henry Knoedler, MD is one of 929 psychiatry physician records with a practice address in Wisconsin. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 50% newer
- In a Medicare fileNo · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 47% of these records are
- Record last updated2007 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
232 psychiatry physician records list a practice address in Madison
They are 232 of the 15,014 NPPES records with a practice address in Madison, and 929 psychiatry physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 929 in Wisconsin → Every provider in Madison → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- John Battaglia, MDMadison, WI 537031811916430
- Christine Costanzo, M.D.Madison, WI 537031144398546
- Robert Factor, M.D.Madison, WI 537031376649970
- Kathy Russeth, M.D.Madison, WI 537031275692030
- Jantina Vonk, MDMadison, WI 537031396798914
- Ann Aschbacher, MDMadison, WI 537041164538401
- Marcelo Castillo, M.D.Madison, WI 537041265506208
- Nancy Charlier, M.D.Madison, WI 537041740298884
Common questions
What is William Henry Knoedler, MD's NPI number?
William Henry Knoedler, MD's National Provider Identifier (NPI) is 1699873729, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Henry Knoedler, MD located?
The NPPES record lists a practice address at 108 S Webster St, Madison, WI, 53703. Phone: (608) 266-0721. Providers update this record themselves, so call before visiting.
How can I verify William Henry Knoedler, MD's license?
NPPES lists Wisconsin license number 18050, 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.