Phyathai 1 Hospital
      as established on 30 July, 1976 and it is located at 364/1 Sri-Ayudhaya Road, Phyathai, Ratchatevee, Bangkok, 10400 on the area of 6,868 square meters. The hospital is composed of 2 buildings that can accommodate 220 beds of in-patient cases and 58 diagnostic rooms, completely equipped with modern day medical technology and equipment. It can serve 2,000 out-patient cases daily with a daily average of 1,194 patients. This makes it a professional success with an enviable reputation. Thanks to the efforts of the managing board of medical specialists and service-minded employees under the philosophy of developing a better and more efficient medical care system. Phyathai 2 Hospital was then established later on due to the large demand for centers of excellent treatment.

Phyathai 2 Hospital
     was established on 22 July 1987. It is located at 943 Phaholyothin Road, Samsennai, Phyathai, Bangkok, 10400 on the area of 11,204 square meters. The hospital is composed of 2 buildings and was established with the premise of promoting health care under the philosophy of “public health care, concern for human values taking care of those who suffer from sickness with honor and dedication” . It can accommodate 550 beds of in-patient cases and 76 diagnostic rooms completely equipped with modern day medical technology and equipment. It can serve 2,000 out-patient cases daily. The hospital has been certified with the Hospital Accreditation to guarantee its quality procedures and customer satisfaction. There are many medical services provided at Phyathai 2 Hospital such as Phyathai Heart Center established in cooperation with Harvard Medical International, USA.

Phyathai 3 Hospital
      was established on 4 October 1996 to extend medical service to customers at Thonburi area. It is located at 207/26 Phetkasem Road, Phark Klong, Phasricharoen, Bangkok, 10160 on an area of 10,228 square meters. The hospital is composed of 1 building that can accommodate 500 beds of in-patient cases and 54 diagnostic rooms completely equipped with modern day medical technology and equipment. It can service 2,000 out-patient cases daily. The hospital provides complete health services and facilities at the Phetkasem area.