Yousif A. Alhallaq, MD earned a degree of a Doctor of Medicine. Licenses and Affiliations. Yousif A. Alhallaq, MD has been registered with the National Provider Identifier database since March 22, 2007, and his NPI number is 1275659104. Book an Appointment. To schedule an appointment with Dr. Yousif A. Alhallaq, please call (330) 494-2228..