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.

Principal Investigator and Staff

Principal Investigator

Greg Mattingly, MD

Greg Mattingly, MD

Sub Investigator

Josh Wilson

Josh Wilson, MD


Danielle Dunyo, PMHNP-BC

Chief Medical Officer, Rater

Ahmed Baig, MD   

Clinical Director of Operations

Crystal Bagot

Research Team

Lead Study Coordinator

Van Winkle



Breyana Dinwiddie



Christian Majewski

Christian Majewski


Recruitment and Marketing

Kailyn Adams

Kailyn Adams



Nicole Elsenrath

Megan Greber


For clinical support, contact St. Charles Psychiatric Associates today.

Research Study

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