Through subsequent changes, with the promulgation of the Constitution of the Empire of Japan in 1898, the Imperial House Law was decided, and the principle of imperial autonomy was established. In 1902, the Imperial Household Ministry system was implemented under the Imperial Household Ordinance, and the Minister of the Imperial Household was designated as the agency that provided advice to the Emperor regarding all affairs of the Imperial Household.

At the end of the war, the Imperial Household Ministry had the following departments: Minister's Secretariat, Chamberlain's Office, Ceremony Department, Sochichi Dormitory, Moryo Dormitory, Library Dormitory, Samurai Ward, Daizen Dormitory, Kurashiro Dormitory, Naitaku Dormitory, Shumaro Dormitory, General Affairs Bureau, and Guard Bureau. In addition, the external bureaus include the Cabinet Minister's Office, Comptroller's Office, Empress's Palace, Crown Prince's Office, Empress Dowager's Office, Imperial House Accounting and Examination Bureau, Imperial Poetry Center, Imperial House Museum, Shosoin Management Office, Imperial Forestry Bureau, Gakushuin, and Women's Gakushuin.・There was a position called Lee Wang, and a Kyoto regional office was established as a local organization.

After the end of the war, the affairs of the Imperial Household Ministry were transferred to other government agencies or separated and became independent, reducing the size of the organization. On May 3, 1945, with the enforcement of the Japanese Constitution, the Ministry of the Imperial Household became the Imperial Household Office, with the Prime Minister It became a competent institution.

Internal medicine
Cardiology
Gastroenterology
Respiratory medicine
Diabetes Endocrinology and Metabolism
NeurologyReservation required
Nephrology
Allergy medicineReservation required
Psychosomatic medicineReservation required
Rheumatism/Collagen Disease Internal Medicine
HematologyReservation required
Pediatrics
breast surgerySome reservations required
Digestive surgery
vascular surgery
respiratory surgery
NeurosurgeryReservation required
Orthopedics/Rheumatology
Urology
plastic surgery
DermatologySome 
OtorhinolaryngologySome 
Eye center (ophthalmology)
Dental/Oral Implant Center

Patient-Centered Care: UM Health-West Hospital prioritizes the needs and well-being of its patients, ensuring they receive personalized care that considers their individual preferences and conditions.
Comprehensive Medical Services: The hospital offers a wide range of medical specialties and services, including emergency care, surgery, oncology, cardiology, orthopedics, neurology, obstetrics, gynecology, pediatrics, and more. This comprehensive range of services enables patients to receive integrated care under one roof.
Skilled Healthcare Professionals: UM Health-West Hospital employs highly trained physicians, nurses, specialists, and support staff dedicated to providing expert medical care with compassion and professionalism.
State-of-the-Art Facilities and Technology: The hospital is equipped with modern medical equipment and advanced technology to support diagnosis, treatment, and patient care across various medical disciplines. This includes diagnostic imaging equipment, surgical tools, monitoring devices, and more.
Commitment to Safety and Quality: UM Health-West Hospital maintains rigorous standards of safety and quality in its operations, striving for excellence in clinical outcomes, infection control, patient safety protocols, and accreditation requirements.
Community Engagement and Outreach: The hospital actively engages with the local community through health education programs, screenings, wellness initiatives, and partnerships with community organizations to promote preventive care and improve public health.
Research and Innovation: UM Health-West Hospital may be involved in medical research and innovation, contributing to advancements in healthcare practices, treatments, and technologies.

Vision:
To be the premier healthcare provider, recognized for excellence in patient care, innovation, and community service.

Mission:

To provide exceptional, compassionate care to every patient, every time.
To advance medical knowledge and technology through research and innovation.
To promote wellness and preventive care, empowering individuals to live healthier lives.
To collaborate with our community partners to address healthcare needs and improve population health.
To cultivate a culture of excellence, professionalism, and continuous improvement among our staff and healthcare providers.