Mark A. Timm, MD, FACS

Staff Physician


  • Germantown Health Center
  • W168 N11237 Western Avenue
  • Germantown, WI 53022


  • General Surgery

Germantown Health Center

Town Hall Health Center

I believe patients have the right to choose and make decisions regarding their health care. I will assist them by providing information and options for their care.


Diseases and Conditions

  • Aortic Aneurysm
  • Carpal Tunnel Syndrome
  • Gastroesophageal Reflux Disease (GERD)
  • Hydrocele
  • Peripheral Vascular Disease
  • Varicose Veins
  • Hernia

Treatments and Services

  • Adrenal Surgery
  • Breast Surgery
  • Circumcisions
  • Colorectal Surgery
  • Gastrointestinal Surgery
  • Head and Neck Surgery
  • Laparoscopic Surgery
  • Parathyroid Surgery
  • Thyroid Surgery
  • Vasectomy
  • Colonoscopy and Upper Endoscopy
  • Robotic Assisted Colorectal Surgery
  • Robotic Assisted Hernia Repair
  • Robotic Assisted Gastrointestinal Surgery
  • Robotic Assisted Gastric / Anti Reflux
  • Single Site Robotic Assisted Laparoscopic Cholecystectomy
  • Multi Port Robotic Assisted Laparoscopic Cholecystectomy

Patients Ages Seen

  • Child
  • Adolescent
  • Adult
  • Senior


  • English

Hospital Affiliations

  • Froedtert Hospital – Milwaukee
  • Community Memorial Hospital – Menomonee Falls

Board Certifications

  • General Surgery

Clinic Locations

Germantown Health Center

Town Hall Health Center

map of clinics' locations


Education and Training

Doctor of Medicine - University of North Dakota School of Medicine - Grand Forks, ND (1987)
Residency, General Surgery - Medical College of Wisconsin Affiliated Hospitals - Milwaukee, WI (1987-1992)