We found 1 provider named 'Karen Mrejen-shakin' nationally.
Dr. Karen Mrejen specializes in adult pulmonology and practices in Rockville Centre, NY. She is in-network for Medicare insurance. Dr. Mrejen graduated from Albany Medical College. Dr. Mrejen (or staff) speaks Urdu, Greek, and Ukrainian. Her hospital/clinic affiliations include South Nassau Communities Hospital and Winthrop-University Hospital.