Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

William C Kwasny, MD

Individual provider Anesthesiology Physician · NPI 1962452532

William C Kwasny, MD is an Anesthesiology in Appleton, Wisconsin. Graduated from Medical College of Wisconsin in 1999, 27 years ago. Practices with Association of Hospital Anesthesiologists SC, a 83-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
27
Trained at
Medical College of Wisconsin
Licensed in
WI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1506 S Oneida St
Appleton, WI 54915-1305
Phone: (920) 738-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 47809 (WI)

Record details

NPI number1962452532
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 12, 2006
Last updated in NPPESJuly 13, 2026
Mailing address3420 Jackson St, Suite E, Oshkosh, WI 54901-8144

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1999 (27 years in practice)
Group practice Association Of Hospital Anesthesiologists Sc — 83 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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