header-logo
GettyImages-145652391-hero
Minimally Invasive and Gastrointestinal Surgery

Medical College of Wisconsin Division of Minimally Invasive and Gastrointestinal Surgery - Faculty and Advanced Practice Providers

Faculty

headshot

Jon Gould, MD, MBA

Chief, Professor

headshot

Amir Ghaferi, MD, MSc, MBA, FACS, FASMBS

Professor of Surgery; President and CEO, Physician Enterprise; Senior Associate Dean for Clinical Affairs

headshot

Matthew I. Goldblatt, MD

Professor

headshot

Rana Higgins, MD

Associate Professor

headshot

Andrew Sean Kastenmeier, MD

Associate Professor

headshot

Tammy Lyn Kindel, MD, PhD

Associate Professor

headshot

Kathleen L. Lak, MD

Associate Professor

headshot

Wen Hui Tan, MD

Assistant Professor

Advanced Practice Providers

headshot

Katrina Baxter, MSN, FNP-C

Nurse Practitioner

headshot

Karl Eschweiler, DNP, RN, AGACNP-BC

Nurse Practitioner

headshot

Courtney Hanson, RN, MSN, APNP

Nurse Practitioner

headshot

Anna Hausler, MPAS, PA-C

Physician Assistant

headshot

Abby Schroeder, MPAS, PA-C

Physician Assistant

headshot

Michelle Weber, RN, MSN, APNP

Nurse Practitioner

© 2025 Medical College of Wisconsin.  All rights reserved.  | Terms and Privacy | Web Accessibility Statement

Non-Discrimination Statement
The Medical College of Wisconsin (MCW) is committed to fostering a diverse community of outstanding faculty, staff, and students, as well as ensuring equal educational opportunity, employment, and access to services, programs, and activities, without regard to an individual's race, color, national origin, religion, age, disability, sex, gender identity/expression, sexual orientation, marital status, pregnancy, predisposing genetic characteristic, or military status. Employees, students, applicants or other members of the MCW community (including but not limited to vendors, visitors, and guests) may not be subjected to harassment that is prohibited by law or treated adversely or retaliated against based upon a protected characteristic. MCW’s policy as well as federal and state laws and regulations prohibit unlawful discrimination and harassment.

Notice of Compliance with Laws and Commitment to Civil Rights
The Medical College of Wisconsin is committed to full compliance with all applicable federal, state, and local laws and regulations in the pursuit of our missions. Consistent with recent federal guidance, we affirm our commitment to individual merit, fairness, and equal treatment in all aspects of academic and institutional decision-making. As part of this commitment, we are actively reviewing our policies and materials to ensure they align with federal nondiscrimination obligations.