About Us


  • MD First Research Chandler revolutionizes neurology and more through impactful trials, leading to new treatments like Droxidopa and Rimegepant, and brain imaging advancements for Alzheimer’s, enhancing patient care and shaping clinical practice.

Core Values


  • Advancing Medicine, Innovating Tomorrow!


  • Our vision is to be a leading force in clinical research within the community, broadening our reach to advance new treatments across diverse diseases.

Our Practice

  • MD First Research Chandler stands as a pioneering research entity situated in the east valley.
  • Our organization collaborates extensively with numerous medical offices, with a primary focus on neurology.
  • We at MD First Research take pride in engaging in clinical trials that significantly impact the real world.
  • From the outset, our team has been instrumental in numerous successful research endeavors.
  • These efforts have facilitated the introduction of novel treatments for patients.
  • Notably, our research has supported the approval of innovative therapies such as Droxidopa for neurogenic orthostatic hypotension, Rimegepant (Nurtec) for migraine prevention, and advanced brain imaging techniques for Alzheimer’s disease.
  • Due to our contributions, these treatments have now been integrated into standard clinical practice.


Dr. Hemant K. Pandey, M.D. completed his neurology training at West Virginia University Hospital, Morgantown, WV and graduated as the Chief Resident. He went on to complete a Fellowship in Electrophysiology encompassing Electromyography (EMG) and Electroencephalography (EEG) at University of Texas Health Science Center-MD Anderson Cancer Center, Houston, TX. He is board certified in Neurology along with sub-specialty board certification in Sleep Medicine, Vascular Neurology and Clinical Neurophysiology. Dr. Pandey is a member of the American Academy of Neurology.

He served as the Stroke Director of the Stroke Program at Chandler Regional Medical Center and leader in the Mercy Gilbert Medical Center Stroke Program.

Rajiv Parikh, M.D., specializing in primary care, brings over two decades of expertise in family medicine, chronic disease management, and has been a key contributor to groundbreaking studies in hypertension, diabetes, and cardiovascular research.

Angela Rush, FNP-C, Principal and Sub-Investigator, is a board-certified Family Nurse Practitioner who has nearly 20 years of experience in the medical field and 6+ years of experience conducting various clinical trials.