Hamilton Surgical Associates



Samuel Heiser, MD, is a board certified general surgeon who has served the Hamilton County area for more than 20 years. He graduated from the Indiana University School of Medicine and completed general surgery training at Methodist Hospital in Indianapolis.

Douglas Rex, DO, is a board eligible osteopathic surgeon. Dr. Rex completed his residency at Grandview Hospital and Medical Center in Dayton, OH where he also completed his internship in general surgery. He has since worked as a general surgeon performing general and advanced laparoscopic procedures.

Jennifer Zyromski, MD, is a board certified general surgeon. Dr. Zyromski completed her residency at the Medical College of Ohio and received her medical degree from the Medical College of Wisconsin. She has since worked as an assistant professor for the Department of Surgery at the Indiana University School of Medicine and as a general surgeon.

Contact Us:

355 Westfield Rd., Suite 120
Noblesville, IN 46060
Phone: 
(317) 776-8748
Fax. (317) 773-0314

Patient Forms

For your convenience, Riverview Medical Group patient registration forms are available below. When you make your appointment, the receptionist will let you know which set of forms to complete.

Please download, print, and complete the registration packet and two forms and bring the completed documents and your insurance card(s) with you to your appointment.

RMG New Patient Registration Packet

Office Visit Form

Patient History Form


Riverview Medical Group