Professional Society Membership

  • American College of Physicians
  • American Academy of Hospice and Palliative  Physicians
  • American Geriatrics Society
  • Community Medical Group (CMG)

Medical Training 

  • New York City Health and Hospitals Corporation, Woodhull Medical Center (Affiliated with NYU Langone Medical Center)
  • Montefiore Medical Center, University Hospital for Albert Einstein College of Medicine
  • Northwell Health - Staten Island University Hospital 
  • Memorial Sloan Kettering Cancer Center, New York 
  • Visiting Nurse Service of New York


  • Report of an HIV clinic-based pain management program and utilization of health status and health service by HIV patients Journal of  Opioid Management Jan 2012 Ahashta Johnson, Kathleen DiGangi Condon,  Ann Celeste Mapas-Dimaya, Judith Schrager, Robert Grossberg, Rosalyn  Gonzalez, Sean O'Mahony

  • Metformin-responsive classic salt-losing congenital adrenal hyperplasia due to 21-hydroxylase deficiency: a case report. Mapas-Dimaya, A. C., Agdere, L., Bahtiyar, G., Mejia, J. O., Sacerdote, A. S.; Endocr Pract. 2008 Oct 01