PSG Credentialing Program

  The PSG welcomes the following newly credentialed investigators! 
  Khashayar Dashtipour, MD, PhD, Loma Linda University, Loma Linda, CA
  Raja Mehanna, MD, University of Texas Health Science Center, Houston, TX
  Joseph Quinn, MD, Oregon Health and Science University, Portland, OR

The Parkinson Study Group (PSG) has been, and continues to be, interested in expanding our clinical trial sites as opportunities for new Parkinson’s disease studies become available.  Regardless of location (hospital, community based, academic, or private practice), the PSG seeks trained Parkinson’s disease investigators who are committed to and experienced in clinical trials.

  Please review these materials before applying:


Criteria to be eligible for credentialing:


PSG criteria for treating investigator  


PSG criteria for non-treating investigator


PSG criteria for NP or PA investigator without prescriptive authority




Cover letter outline of application materials:


Letter for new treating investigator


Letter for new non-treating investigator


Letter for investigator moved to a new (NON-PSG) site


Yes, I'm interested in applying, Let's begin: 


Application for treating investigator


Application for non-treating investigator


Application for Investigator moved to a new (NON-PSG) site




Other forms (if applicable):


Conflict-of-Interest Form


Financial Agreement Form - non-profit sites


Financial Agreement Form - for-profit sites

  To initiate the evaluation process by the PSG Credentials Committee, please submit your completed application electronically to

Review process and timeline:


The PSG Credentials Committee will review your application packet.  They will base their decision on the following: Determination of approval or nonapproval. The Credentials Committee typically meets on a quarterly basis.  If approved, you and your site will be added to our pool of potential participants and advised of upcoming PSG studies along with current PSG sites.  The Steering Committee of each study makes the final decision on the selection of study investigators. Read more about the responsibilities of a credentialed investigator and review the PSG Constitution & ByLaws: Responsibilities of a credentialed investigator; PSG Constitution and By-Laws.



 Updated 8/1/14