William C. Kwasny, MD
Anesthesiology Physician · Appleton, WI
William C. Kwasny, MD is an anesthesiology physician with a practice address in Appleton, Wisconsin, and NPI 1962452532, issued on May 12, 2006. Check the license (Wisconsin 47809, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- William C. Kwasny
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 47809 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1506 S Oneida St, Appleton, WI 54915
- Phone
- (920) 738-2000
- Enumerated
- May 12, 2006
- Record last updated
- Jul 13, 2026
- Medicaid ID
- 34643200 WI
- Medicare enrollment
- Enrolled (PECOS I20050614000424); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1999
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,313 in Wisconsin → Look up another NPI →
Also registered at 1506 S Oneida St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Arizola, PACPhysician Assistant1639163652
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Verify William C. Kwasny in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 47809Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Association OF Hospital Anesthesiologists SCAppleton, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William C. Kwasny among 1,313 anesthesiology physician records in Wisconsin
William C. Kwasny, MD is one of 1,313 anesthesiology physician records with a practice address in Wisconsin. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 49% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1999 · median 2006 among the 872 with a school on file
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Wisconsin
There are 1,313 anesthesiology physician records in Wisconsin.
All 1,313 in Wisconsin → Every provider in Appleton → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Perfecto Competente, MDAppleton, WI 549151518913995
- Kenneth Hansen, MDAppleton, WI 549151518919109
- Richard Rolain, MDAppleton, WI 549151154372829
- Stephanie Wallace, MDAppleton, WI 549151639304736
- Amanda Greene, MDAppleton, WI 549131275915928
- Robert Amorde, M.D.Appleton, WI 549111285754358
- Rebecca Broeckert, M.D.Appleton, WI 549111649404351
- Benjamin Carroll, D.O.Appleton, WI 549111780769281
Common questions
What is William C. Kwasny, MD's NPI number?
William C. Kwasny, MD's National Provider Identifier (NPI) is 1962452532, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William C. Kwasny, MD located?
The NPPES record lists a practice address at 1506 S Oneida St, Appleton, WI, 54915. Phone: (920) 738-2000. Providers update this record themselves, so call before visiting.
How can I verify William C. Kwasny, MD's license?
NPPES lists Wisconsin license number 47809, 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. 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.