Medical Corporation Shimizukai

What Medical Corporation Shimizukai does

Medical Corporation Shimizukai (医療法人清水会) is a Nagoya-headquartered integrated elderly care provider operating a vertically integrated network of medical, rehabilitation, long-term care, and welfare facilities across Aichi Prefecture, Japan. Established December 1975, the organization has grown to encompass approximately 1,365 licensed beds/rooms across an acute-care hospital (Aioiyama Hospital, 162 beds), an outpatient clinic (Aioiyama Clinic), four geriatric health facilities (Toyoake, Toyoake Second, Hikari, and the recently reclassified Makoto), a Type II Long-Term Care Medical Institution, two paid nursing homes (Riverside Care Akaike, Green Hills Care Aioi), a visiting nursing station, four care planning centers, and a community comprehensive support center, alongside the affiliated Social Welfare Corporation Chokushikai which operates special nursing homes, a care house, and community-based care facilities.

Core service offerings span residential long-term care, short-term respite stays, day rehabilitation, home-visit nursing and rehabilitation, care planning, and dementia-focused programs (including a 30-bed dementia unit at Hikari and the community dementia café Kiyomizu). Underlying technology is largely physical: joint mobility and muscle strength training machines, power rehabilitation equipment, hot packs, water-based massage therapy, occupational therapy, cognitive function training modules, specialized bathing equipment (chair-in showers), portable X-ray, portable ultrasound, and standard sprinkler and emergency power systems. The April 2025 reclassification of the Makoto facility from a geriatric health facility to a Type II Long-Term Care Medical Institution represents a regulatory pivot toward higher-acuity chronic care, particularly severe cognitive decline.

Revenue is generated primarily through Japan's national long-term care insurance (介護保険) and medical insurance systems, treating payments as recurring monthly streams. Payer mix consists of insurance reimbursement with resident co-payments for facility services; home care planning services are fully covered for certified individuals. The organization markets directly to elderly consumers (要介護1–5 / 要支援1–2) and their families, with referrals generated through Regional Comprehensive Support Centers, hospital discharge planners, and in-house care managers. Family-controlled under the Sato family since March 2016, the corporation operates without external equity, debt issuance, or merger activity and is not listed on any exchange.

Name

Medical Corporation Shimizukai

Legal name

Medical Corporation Shimizukai (、医疗法人 清水会)

Website

https://shimizukai.biz

Company type

Private

Founded year

1953

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Medical Corporation Shimizukai (医療法人清水会) is a Japanese integrated elderly care provider in Nagoya, Aichi Prefecture. It operates hospitals, geriatric facilities, long-term care medical institutions, paid nursing homes, and care planning services under Japan's long-term care insurance system, serving elderly residents across the Nagoya region.

Ownership category

akta.pro rank

Product category

Elderly Long-Term Care and Rehabilitation Services

NAICS

Continuing Care Retirement Communities and Assisted Living Facilities for the Elderly (62331), Nursing Care Facilities (Skilled Nursing Facilities) (62311), Services for the Elderly and Persons with Disabilities (624120)

SIC

Services-Nursing & Personal Care Facilities (8050), Services-Skilled Nursing Care Facilities (8051), Services-Home Health Care Services (8082)

akta.pro primary industry

Assisted Living with Enhanced Care / High-Acuity (Aging-in-Place) (HLADABAC)

akta.pro secondary industries

Chronic Care & Complex Care Management (HSABAIAD), Dementia & Alzheimer’s Respite Care (HSABAGAF), Live-In Care (Single Caregiver, 24-Hour Presence) (HSABAHAB), Post-Diagnosis Transition & Hospital-to-Home Dementia Support (HSABAEAL)

Keywords

• Elderly long-term care
• Geriatric rehabilitation services
• Nursing home operations
• Home-visit nursing care
• Community-based elderly care

Headquarters

HQ city

Nagoya

HQ country

Japan

HQ region

Asia

Offices8 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales, Supply Chain

Revenue model

1. Long-term Care Insurance Services: Revenue generated through Japan's long-term care insurance system (介護保険制度), including facility admission services (入所サービス), short-term stay (ショートスティ), day care/rehabilitation (通所リハビリテーション), and home-visit nursing/care services. Services are covered under the national insurance scheme with co-payment from residents.
2. Medical Insurance Services: Revenue from medical treatment and care services covered under Japan's health insurance system, including medical examinations, pharmaceutical services, and diagnostic imaging (portable X-ray, ultrasound) provided at cooperative medical institutions.
3. Residential Elderly Care Housing: Revenue from paid nursing homes (有料ホーム) and service-supported senior housing (サービス付き高齢者向け住宅), including riverside care and Green Hills care facilities.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Medical Corporation Shimizukai delivers physician-managed long-term care, rehabilitation, and residential services for elderly individuals in Aichi Prefecture, Japan. Its portfolio spans Aioiyama Hospital, Aioiyama Clinic, multiple geriatric health facilities (Toyoake, Toyoake No. 2, Hikari), the Makoto Long-term Care Medical Institution (Type II), paid nursing homes (Riverside Care Akaike, Green Hills Care Aioi), a home-visit nursing station, four care planning centers, and a community comprehensive support center. Services include long-term residential admission, short-term respite stays, day rehabilitation, home-visit rehabilitation, prevention programs, and care plan management, delivered under Japan's long-term care insurance and health insurance frameworks.

Product overview

Medical Corporation Shimizukai operates a comprehensive network of healthcare and elderly care facilities across Nagoya, Toyoake, and Nisshin cities in Aichi Prefecture. The portfolio includes two hospitals (Aioiyama Hospital, Aioiyama Clinic), four geriatric health facilities (Toyoake, Toyoake No.2, Hikari), one Type II long-term care medical facility (Makoto Medical Care Facility), two paid nursing homes (Riverside Care Akaike, Green Hills Care Aioi), multiple home care services including nursing stations and care planning centers, and affiliated services from related organization Chokushikai including special nursing homes and care houses. Services range from acute medical care to long-term residential care, day rehabilitation, short-term stays, and home-based care support, providing a continuum of health and welfare services for the regional elderly population.

Differentiator

Problem solved

Functional benefit

Brands

• Makoto Long-Term Care Medical Institution (まこと介護医療院): Type II long-term care medical institution offering residential care services and day rehabilitation services for elderly patients
• Social Welfare Corporation Chokushikai (社会福祉法人 勅使会)

Products and services

• Aioiyama Hospital (相生山病院) A 162-bed hospital providing medical services as part of the Shimizukai group, located in Nagoya's Midoriku district. The founding entity of Medical Corporation Shimizukai, it provides emergency medical care, specialist consultations, and referral services for residents of Shimizukai care facilities.
• Aioiyama Clinic (相生山クリニック) An outpatient clinic operated by the Shimizukai group, opened in July 2019.
• Toyoake Geriatric Health Facility (豊明老人保健施設) A 298-bed geriatric health facility providing rehabilitation, nursing care, and daily living support for elderly residents requiring long-term care in Aichi Prefecture.
• Toyoake No.2 Geriatric Health Facility (豊明第二老人保健施設) A 150-bed geriatric health facility offering residential care, day care rehabilitation, short-term stays, and home visit rehabilitation services for elderly individuals.
• Hikari Geriatric Health Facility (ひかり老人保健施設) A 130-bed facility including a 30-bed dementia-specialized unit, offering residential care, day care rehabilitation, and short-term stays for elderly residents.
• Makoto Long-Term Care Medical Institution (まこと介護医療院) A 120-bed Type II long-term care medical institution providing long-term residential care for chronically ill patients with a focus on severe dementia, including residential services and day care rehabilitation.
• Riverside Care Akaike (リバーサイドケア赤池) A 100-room fee-based (paid) nursing home for elderly residents, opened January 2006.
• Green Hills Care Aioi (グリーンヒルズケア相生) A 120-room service-integrated senior housing and paid nursing home offering residential care services, opened March 2013.
• Kutsukake Home Nursing Station (沓掛訪問看護ステーション) A home nursing station providing medical care services to patients in their homes, opened December 1998.
• Care Planning Center Toyoake (ケアプランニングセンター豊明) A care planning service that creates care plans for clients using long-term care insurance, offering care management and coordination services.
• Care Planning Center Hikari (ケアプランニングセンターひかり) A care planning service providing care plan creation and management for long-term care insurance users, serving Nagoya and surrounding municipalities.
• Care Planning Center Palnes Zengo (ケアプランニングセンターパルネス前後) A care planning service located in Toyoake, providing care management for residents of Toyoake, Togo, Kariya, Obu, and parts of Nagoya.
• Care Planning Center Miyoshi Yunomae (ケアプランニングセンターみよし湯ノ前) A care planning service serving Miyoshi, Toyoake, Togo, Nisshin, Toyota, and Kariya areas, staffed with care managers.
• Toyoake City Chubu Comprehensive Support Center (豊明市中部地域包括支援センター) A comprehensive support center providing community-based care coordination, consultation, and referral services for elderly residents in Toyoake City.
• Tokuyuyoen Special Nursing Home (特別養護老人ホーム 勅使苑) A 150-bed special nursing home operated by Chokushikai, a related social welfare corporation within the Shimizukai group.
• Second Tokuyuyoen (第二勅使苑) A 50-bed special nursing home operated by Chokushikai.
• Care House Chokushi (ケアハウス勅使) A 50-bed care house providing residential care for elderly residents, operated by Chokushikai.
• Kutsukake Home (くつかけの家/くつかけホーム) A community-based 29-bed facility offering small-scale multifunctional home care services.
• Day Care Rehabilitation (通所リハビリテーション) Outpatient rehabilitation services provided at facility locations, including physical therapy, occupational therapy, bathing, meals, and recreational activities for individuals certified as requiring long-term care or support level 1-2.
• Residential Care Service (入所サービス) Long-term residential care services for individuals certified as requiring long-term care level 1-5, providing daily living support, rehabilitation, and medical care under physician management.
• Short-term Stay / Temporary Admission (ショートステイ) Short-term temporary admission services for individuals certified as requiring long-term care or support, providing bathing,排泄, meals, and rehabilitation under medical management.
• Home Visit Rehabilitation (訪問リハビリテーション) Rehabilitation services provided at patients' homes to help maintain and improve daily living functions.
• Genki Up Rehabilitation (元気アップリハビリ) A prevention-focused rehabilitation program under Toyoake City's comprehensive community care program for individuals certified as support level 1-2.

Quantifiable outcome

• Operates 8 care facilities (hospitals, nursing homes, day care) plus 4 care planning centers and 1 visiting nursing station across 4 municipalities in Aichi Prefecture

Named customers2 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Five partnerships are on record, tiered core and minor.

• Aioiyama Hospital (相生山病院)coreOthersPrimary affiliated hospital and the founding entity of Medical Corporation Shimizukai. Located adjacent to Hikari Geriatric Health Facility. Provides emergency medical care, specialist consultations, and referral services for residents of Shimizukai care facilities. Aioiyama Hospital relocated to new premises in February 2000 with 162 beds.
• General Hospital Minami Seikyo Hospital (総合病院 南生協病院)minorOthersCooperative medical institution listed as a partner for Makoto Long-term Care Medical Institution. Located at Nagoya City Midoriku Minami Daitai 2-chome, providing medical care coordination for facility residents.
• Yanase Dental Clinic (やなせ耳鼻咽喉科 — actually やなせ歯科)minorOthersCooperative dental clinic providing regular dental checkups and treatment services at Hikari Geriatric Health Facility (weekly visits) and Makoto Long-term Care Medical Institution. Located in Toyoake City.
• Social Welfare Corporation Chokushikai (社会福祉法人 勅使会)coreStrategic or Co-development PartnerClosely affiliated social welfare corporation sharing the Shimizukai brand and website. Chokushikai operates special elderly nursing homes (勅使苑 150 beds, 第二勅使苑 50 beds), a care house (ケアハウス勅使 50 beds), a community-attached special elderly facility (くつかけホーム 29 beds), and a small-scale multi-functional facility (くつかけの家). Established May 1994 with 185 employees as of April 2025. Jointly promoted under the Shimizukai corporate umbrella.
• Morinaga Milk Clinical Nutrition (森永乳業クリニコ様)minorOthersExternal lecturer provider for dementia prevention programs at Makoto Long-term Care Medical Institution's dementia café 'Kiyomizu.' Presented a lecture on dementia and nutrition at the April 2024 dementia café event.

Scale indicators10 records

Recent moves23 records

Expansion highlights5 records

Emerging players

• Sawayaka Holdings: Growing chain of paid nursing homes primarily in western Japan with strong branding in fee-based elder housing. Comparable to Shimizukai's paid housing segment but operates without the broader hospital/rehabilitation integration.
• Reliable Health Care Co., Ltd. Operates paid nursing homes, group homes, and home care services primarily in the Kanto region. Comparable in operating fee-based elder housing and community-based services outside the kaigo-only model.

Broad incumbents

• Message Co., Ltd. Operates a network of group homes, day services, and care facilities across Japan. Comparable as a multi-facility elderly care operator with similar community-based service offerings.
• Benesse Style Care: National operator of paid nursing homes and service-supported senior housing in Japan. Direct overlap with Shimizukai's Riverside Care Akaike and Green Hills Care Aioi paid nursing home segment.
• Nichii Gakkan: One of Japan's largest nursing care and healthcare service companies, operating extensive home care, day service, and care facility networks nationally. Comparable in core service categories but vastly larger scale.
• SOMPO Care: Major national operator of paid nursing homes, group homes, and in-home care services under the SOMPO Holdings umbrella. Comparable in operating paid elderly housing and home-based services at a national scale.

Direct peers

• Tsujido Healthcare Group: Japanese regional medical corporation operating a hospital plus multiple nursing and rehabilitation facilities in the Shizuoka region. Closely comparable to Shimizukai in operating model, scale, and integrated acute-to-elderly-care footprint.
• Kaikokai Healthcare Group: Aichi-based social medical corporation running hospitals and long-term care facilities. Direct regional peer with similar hospital-plus-elderly-care integrated network within the same prefecture.
• Zensho Healthcare Holdings: Hospital and elderly care group operating geriatric health facilities and nursing homes across multiple Japanese regions. Comparable in operating a mix of medical and welfare services under a single corporate umbrella.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Instagraminstagram.com/shimizukai_medical_corporation

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries15 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Medical Corporation Shimizukai