Kathleen Lak, MD

Reported procedures

• Dr. Kathleen Lak performs bariatric procedures designed to help patients achieve long-term weight loss and improve obesity-related health conditions. Her bariatric expertise includes sleeve gastrectomy Source ↗
• bariatric surgery Source ↗
• and esophagogastric fundoplasty. She develops personalized treatment plans to support sustainable weight management while helping patients improve their overall health and quality of life. Source ↗

Source-reported information; confirm current details directly.

Reported credentials

• American Board of Surgery Source ↗
• Board Certified in General Surgery Source ↗
• Surgery Source ↗
• General Surgery Source ↗

Source-reported information; confirm current details directly.

Reported affiliations

• FROEDTERT ANDTHE MEDICAL COLLEGE OF WISCONSIN COMMUNITY PHYSICIANS INC Source ↗
• THE MEDICAL COLLEGE OF WISCONSIN INC Source ↗
• Froedtert Hospital Source ↗
• Froedtert Menomonee Falls Hospital Source ↗

Source-reported information; confirm current details directly.

Selected publications

• The effect of bariatric surgery on patient reported outcomes of heart failure in women: a pilot study. · 2026 Source ↗
• Comparing venous thromboembolism (VTE) prophylaxis and bleeding risks: low molecular weight heparin vs. unfractionated heparin in open repairs of large hernias. · 2026 Source ↗
• Comparing procedural costs and early clinical outcomes of robotic extended totally extraperitoneal (eTEP) with intraperitoneal onlay mesh (IPOM) repair for midline ventral hernias. · 2025 Source ↗
• American society for metabolic and bariatric surgery: intra-operative care pathway for minimally invasive Roux-en-Y gastric bypass. · 2024 Source ↗
• The Association of Preoperative Food Insecurity With Early Postoperative Outcomes After Bariatric Surgery. · 2024 Source ↗
• Bariatric Surgeon Ergonomics: A Comparison of Laparoscopy and Robotics. · 2024 Source ↗
• Implementation of a standardized multimodal pain regimen significantly reduces postoperative inpatient opioid utilization in patients undergoing bariatric surgery. · 2023 Source ↗
• Transversus abdominis plane blocks for complex abdominal wall reconstruction decrease hospital length of stay compared to epidurals. · 2022 Source ↗
• Examining current patterns of opioid prescribing and use after bariatric surgery. · 2022 Source ↗
• The influence of preoperative carbohydrate loading on postoperative outcomes in bariatric surgery patients: a randomized, controlled trial. · 2021 Source ↗
• SAGES primer for taking care of yourself during and after the COVID-19 crisis. · 2020 Source ↗
• The Risk of Post-operative Complications in Super-Super Obesity Compared to Super Obesity in Accredited Bariatric Surgery Centers. · 2019 Source ↗
• Primary care providers' attitudes and knowledge of bariatric surgery. · 2020 Source ↗
• Buyer's remorse: what predicts post-decision dissonance after bariatric surgery? · 2019 Source ↗
• Linear vs. circular-stapled gastrojejunostomy in Roux-en-Y gastric bypass. · 2019 Source ↗
• Preoperative functional health status is a predictor of short-term postoperative morbidity and mortality after bariatric surgery. · 2019 Source ↗
• Metabolic Syndrome Is a Significant Predictor of Postoperative Morbidity and Mortality Following Bariatric Surgery. · 2019 Source ↗
• The impact of preoperative anemia and malnutrition on outcomes in paraesophageal hernia repair. · 2018 Source ↗
• Perioperative bleeding and blood transfusion are major risk factors for venous thromboembolism following bariatric surgery. · 2018 Source ↗

Source-reported information; confirm current details directly.

Professional identifier

NPI: 1578852620

Insurance reported

Aetna

Blue Cross and Blue Shield of Illinois

CareFirst BlueCross BlueShield

UnitedHealthcare

Wellmark Blue Cross and Blue Shield

Reported in source records. Confirm the exact plan, network and procedure with the practice and insurer. Logos identify brands; they do not establish participation.