Clinic: 636-949-5760 | Research: 636-946-8032 | 4801 Weldon Spring PKWY, STE 300, St. Charles, MO 63304

Midwest Research Group Team

Our Research Team

Midwest Research Group helps develop new tools for the treatment of a wide variety of mental health conditions. We conduct research studies that provide valuable information to evaluate how new medications may help a variety of people. Some studies see how medications used for one symptom may also help other symptoms. The research studies conducted at Midwest Research Group are typically part of worldwide studies to help determine the best treatment options for people with a variety of mental health conditions.

Investigators and Raters

Greg Mattingly, MD

Greg Mattingly, MD

Josh Wilson

Josh Wilson, MD

Danielle Dunyo, PMHNP-BC

Lynn Stark, PMHNP-BC

Research Team

Ahmed Baig, MD   

Clinical Research Manager

Lindsay Van Winkle


Study Coordinator

Breyana Dinwiddie


Study Coordinator



Nicole Elsenrath

Regulatory Specialist

Marcie Norris


Nicole Elsenrath

Recruitment Specialist

Research Study

To be considered for a research study, please complete the following information:

For more information or to find out if you qualify, please call (636) 946-8032.