Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

WILLIAM C KWASNY MD
NPI 1962452532
Anesthesiology in Appleton, WI

Active since May 12, 2006PECOS Enrolled
1506 S ONEIDA ST, APPLETON, WI 54915(920) 738-2000 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About William C Kwasny Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM C KWASNY MD (NPI 1962452532) is an individual anesthesiology provider in Appleton, Wisconsin, licensed in Wisconsin (47809) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Thedacare Regional Med Ctr - Neenah, and is a graduate of Medical College Of Wisconsin (1999).

NPPES Registry Identity

NPI1962452532
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameWILLIAM C KWASNYCredential: MD
Location Address1506 S ONEIDA STAppleton, WI 54915-1305
Mailing Address3420 Jackson St, Suite EOshkosh, WI 54901-8144
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 1999
Enumeration DateMay 12, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1962452532 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License Licensed in WI · 47809
Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

1506 S ONEIDA ST, Appleton, WI 54915

Other Identifiers 1

Medicaid34643200WI

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

William C Kwasny Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2163310020
PECOS Enrollment IDI20050614000424
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Thedacare Regional Med Ctr - Neenah

Acute Care Hospitals · Neenah, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520045
Location130 2nd StNeenah, WI 54956 · Winnebago County
Emergency services Birthing friendly

Thedacare Regional Medical Center - Appleton Inc

Acute Care Hospitals · Appleton, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520160
Location1818 N Meade StAppleton, WI 54911 · Outagamie County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Pulmonary Disease)
1506 S ONEIDA ST
APPLETON, WI 54915
Internal Medicine (Cardiovascular Disease)
1506 S ONEIDA ST
APPLETON, WI 54915
Pediatrics (Developmental - Behavioral Pediatrics)
1506 S ONEIDA ST
APPLETON, WI 54915
Pediatrics
1506 S ONEIDA ST
APPLETON, WI 54915
Internal Medicine (Pulmonary Disease)
1506 S ONEIDA ST
APPLETON, WI 54915
Internal Medicine (Cardiovascular Disease)
1506 S ONEIDA ST
APPLETON, WI 54915
Pediatrics
1506 S ONEIDA ST
APPLETON, WI 54915
Internal Medicine (Cardiovascular Disease)
1506 S ONEIDA ST
APPLETON, WI 54915

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1962452532, enumerated as an "individual" on May 12, 2006.

The provider is located at 1506 S ONEIDA ST APPLETON, WI 54915 and the phone number is (920) 738-2000.

Anesthesiology with taxonomy code 207L00000X.

The provider might be accepting Accepts: CareSource (Common Ground Healthcare), Medicare. Please consult your insurance carrier or call the provider to verify.

William Kwasny is affiliated with: THEDACARE REGIONAL MED CTR - NEENAH and THEDACARE REGIONAL MEDICAL CENTER - APPLETON INC.