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

Kathryn J Kostic, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1982635397

Kathryn J Kostic, MD is an Obstetrics/Gynecology in Mequon, Wisconsin. Graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1993, 33 years ago. Practices with Aurora Advanced Healthcare, Inc, a 1,101-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
33
Trained at
Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
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

12203 N Corporate Pkwy
Mequon, WI 53092-3388
Phone: (262) 387-8200
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 39904 (WI)

Record details

NPI number1982635397
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 5, 2006
Last updated in NPPESSeptember 2, 2025
Certification dateSeptember 2, 2025

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolCLVLND CLINIC LERNER COLLEGE OF MED OF CASE WSTN RSV UNIVERSITY
Graduated 1993 (33 years in practice)
Group practice Aurora Advanced Healthcare, Inc. — 1101 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount