Which private hospitals serve expatriates in Guatemala City and what health insurance exists?

According to its website, Hospital Herrera Llerandi has its main site at 6A Avenida 8-71 Zona 10, Guatemala City; it provides emergency care 24 hours a day, 7 days a week (emergencies 2334 5955),… and its featured specialties include maternity, cardiology, oncology, transplants and hemodialysis. Its clinical laboratory is accredited to NTG/ISO 15189:2022 according to the accreditation scope published by the Oficina Guatemalteca de Acreditación (OGA): registration OGA-LE-017-07, accredited since Nov 12, 2007, last re-evaluation Nov 24, 2023 and next re-evaluation Nov 24, 2027; that document gives the laboratory's address as 6ª. Avenida 7-90 Zona 10.