We found 1 provider named 'Karen Mrejen-shakin' nationally.
Dr. Karen Mrejen, who practices in Rockville Centre, NY, is a medical specialist in adult pulmonology. Dr. Mrejen (or staff) speaks the following languages: Urdu, Greek, and Ukrainian. Dr. Mrejen is affiliated with South Nassau Communities Hospital and Winthrop-University Hospital. She studied medicine at Albany Medical College. She is an in-network provider for Medicare insurance.