Towakai universal medical service

What Towakai universal medical service does

Towakai Universal Medical Service (タムスグループ, tums) is a Tokyo-based, privately-held healthcare and welfare group founded in 1993 by Chairman Kazuhisa Okamoto. The group operates an integrated care-mix model spanning acute hospitals, specialty clinics, special elderly nursing homes, medical care facilities, group homes, licensed nurseries, sick-child care rooms, an infant home, home healthcare, and a central kitchen across Tokyo, Chiba, and Saitama prefectures. As of 2026 the group operates approximately 80 facilities with 8,339 employees, structured as multiple legally independent medical corporations and social welfare corporations (Towakai, Joto Towakai, Sakura, Yusokai, Kozankai, Keimeikai, Shiseikai, Kirwakai, Shunwakai) unified under the tums brand.

The group's core operational technology centers on a 'care-mix' clinical model that coordinates acute, rehabilitative, chronic, and long-term care across its facility network, combined with a proprietary self-support care program ('Omutsu Zero / Gezai Zero') that achieves 90%+ diaper-free and laxative-free outcomes, and a cook-chill HACCP-compliant central kitchen in Funabashi (Tums Deli Funabashi) producing 12,000–15,000 meals per day. Academically, the group has formal training and patient-transfer partnerships with Tokyo Medical and Dental University (2023) and Chiba University (2019), the latter co-developing the Urayasu Rehabilitation Education Center. Recent expansion has been M&A-led, with five medical corporations acquired between 2022 and 2026, each time installing Chairman Okamoto as the new chairman.

Towakai generates revenue through fee-for-service reimbursements under Japan's national health insurance system for medical services and the long-term care insurance system for elderly care services, plus fee-paying nursery and childcare services. Its customer base is the general public, elderly residents, and families in the Greater Tokyo area; the group explicitly serves under the 'あんしん・まごころ' (reassurance and sincerity) philosophy. The group is family/operator-led with no disclosed external equity investors, no public listing, and growth funded through operational cash flow and bank financing of acquisitions.

Name

Towakai universal medical service

Legal name

Towakai Universal Medical Service (タムスグループ / 桐和会 универсальная медицинская служба)

Website

https://towakai.com

Company type

Private

Founded year

1993

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Towakai Universal Medical Service (tums) is a Japanese healthcare and welfare group operating hospitals, clinics, special elderly nursing homes, and nurseries across Tokyo, Chiba, and Saitama. Founded in 1993, it delivers integrated medical, rehabilitation, nursing, and childcare services reimbursed under Japan's national insurance programs.

Ownership category

akta.pro rank

Product category

Integrated Healthcare and Welfare Services

NAICS

General Medical and Surgical Hospitals (6221), Nursing Care Facilities (Skilled Nursing Facilities) (623110), Home Health Care Services (62161)

SIC

Services-Hospitals (8060), Services-Skilled Nursing Care Facilities (8051), Services-Home Health Care Services (8082)

akta.pro primary industry

Hospital-Based/Home Health System-Affiliated Skilled Home Health (HLADAFAB)

akta.pro secondary industries

Long-Term Care Nursing Homes (Custodial LTC) (HLADADAB), Care Navigation & Service Coordination (Medical, Social, Community) (HSABAIAB), Care Transitions Management (Hospital/SNF-to-Home) (HSABAIAC)

Keywords

• Integrated medical services
• Elderly nursing care
• Rehabilitation hospital services
• Licensed nursery childcare
• Central kitchen food service

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices4 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Supply Chain, Marketing or Sales

Revenue model

1. Medical Services (Healthcare): Acute and chronic medical care services provided through hospitals and clinics, funded through Japan's national health insurance system
2. Nursing Care Services: Elderly care services including special nursing homes (特別养护老人院), medical care facilities, and group homes, funded through long-term care insurance
3. Childcare Services: Nursery schools, sick-child care rooms, and infant homes for children from infants to preschool age

Go-to-market motion1 record

Distribution channels4 records

Marketing channels7 records

Core offering

Towakai Universal Medical Service (タムスグループ) operates an integrated network of hospitals, clinics, special elderly nursing homes, licensed nurseries, sick-child care rooms, an infant home, and a central kitchen across Tokyo, Chiba, and Saitama prefectures in Japan. Services span acute and chronic medical care, rehabilitation, dementia care, elderly long-term care, and childcare, funded primarily through Japan's national health insurance and long-term care insurance systems. The group also runs home medical care, home nursing, and central kitchen meal production under HACCP-compliant cook-chill methods, employing 8,339 staff across approximately 80 facilities.

Product overview

Towakai Universal Medical Service (タムスグループ) operates a comprehensive healthcare and welfare service network consisting of 10 hospitals, over 20 clinics, 16 special elderly nursing homes, medical care facilities, group homes, dementia day care centers, 10 nursery schools, 5 sick child care facilities, an infant home, a central kitchen, home medical care, and home nursing services. The group provides integrated medical, nursing care, and childcare services across Tokyo, Chiba, and Saitama prefectures. Key facilities include care-mix hospitals, dementia-specialized facilities, general clinics, and the central kitchen producing 12,000+ meals daily using cook-chill technology. The group emphasizes independence support care ('おむつゼロ・下剤ゼロ') and operates with a philosophy of 'あんしん・まごころ' (reassurance and sincerity).

Differentiator

Problem solved

Functional benefit

Brands

• タムスさくらの杜: Special elderly nursing homes (特別養護老人ホーム) operated by the group at multiple locations across Tokyo, Chiba, and Saitama
• タムスわんぱく保育園
• タムス介護医療院
• タムス_del
• わんぱく乳児院
• タムスアルファ
• タムスデル船橋

Products and services

• Tums Matsue Hospital (タムス松江病院) Secondary emergency hospital providing acute care with internal medicine, surgery, neurosurgery, gastroenterology, orthopedics, and rehabilitation services for local residents in Edogawa ward.
• Tums Suginami Hospital (タムス杉並病院) General hospital with 199 beds offering internal medicine, orthopedics, long-term care wards, and palliative care services in Suginami-ku, Tokyo.
• Tums Mizue Hospital (タムス瑞江病院) Comprehensive medical hospital providing acute care and rehabilitation services with emergency medical care capabilities in Edogawa, Tokyo.
• Tums Sakura Hospital Edogawa (タムスさくら病院江戸川) Care-mix hospital specializing in dementia care and comprehensive medical services in Edogawa ward, Tokyo.
• Tums Sakura Hospital Kawaguchi (タムスさくら病院川口) Specialized dementia hospital providing comprehensive care services in Kawaguchi city, Saitama.
• Tums Urayasu Hospital (タムス浦安病院) General hospital in Urayasu city with rehabilitation services, operating in partnership with Chiba University.
• Tums Ichikawa Rehabilitation Hospital (タムス市川リハビリテーション病院) Rehabilitation-focused hospital providing post-acute care and recovery services in Ichikawa city, Chiba.
• Saisei Hospital (最成病院) General hospital in Chiba providing secondary emergency care, rehabilitation, health checkups, and nursing care services, acquired by the group in 2022.
• Tums General Clinic Shinozaki-ekimae (タムス総合クリニック篠崎駅前) Multi-specialty clinic providing comprehensive outpatient medical services near Shinozaki Station in Edogawa, Tokyo.
• Tums Eye Clinic Mizue-ekimae (タムス眼科クリニック瑞江駅前) Eye clinic providing general ophthalmology services and treatment for cataracts and glaucoma, located near Mizue Station.
• Tums Sakura no Mori Special Elderly Nursing Homes (タムスさくらの杜 特別養護老人ホーム) Network of 16 special elderly nursing homes providing long-term care with independence support programs including diaper-free, laxative-free care. Average certified care worker rate of 77.1% versus 61.9% national average.
• Tums Kaigo Iryoin (タムス介護医療院) Long-term care medical facility providing integrated medical and nursing care services for elderly patients requiring ongoing medical support, including locations at Kawaguchi and Hanamigawa.
• Tums Deli Funabashi Central Kitchen (セントラルキッチン タムスデリ船橋) Central kitchen facility producing meals for group hospitals and care facilities using cook-chill system with HACCP-compliant food safety management.
• Tums Wanpaku Hoikuen Nursery Schools (タムスわんぱく保育園) Network of 10 licensed nursery schools providing childcare services including medical care support for children requiring medical attention across the group's operating area.
• Tums Wanpaku Byoji Hoikushitsu Sick Child Care (タムスわんぱく病児保育室) Sick child care facilities (5 locations) attached to pediatric clinics, providing care for ill children while parents work.
• Wanpaku Infant Home (わんぱく乳児院) Residential infant facility providing 24/7 care for children aged 0 to preschool age who cannot live with their families, with support for parental reunification; first such infant home opened in Tokyo in 55 years when established.

Quantifiable outcome

• 77.1% certified care worker rate vs 61.9% national average
• +3 more outcomes

Named customers3 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Three partnerships are on record, tiered minor and core.

• UHCナレッジハブ (UHC Knowledge Hub - World Bank, WHO, Japanese Government)minorStrategic or Co-development Partner · 26 February 2026Training program receiving finance and health policy officials from 8 Asian and African countries. Tums Sakura Hospital Edogawa serves as training site for international UHC knowledge sharing.
• 東京医科歯科大学病院 (Tokyo Medical and Dental University Hospital)coreStrategic or Co-development Partner · 10 February 2023Agreement for pre-selected patient transfer coordination. TMDU orthopedic patients requiring continued care and rehabilitation are rapidly transferred to 5 tums hospitals (Kawaguchi Sakura, Tokyo Sakura, Urayasu, Ichikawa Rehabilitation, Mizue).
• 千葉大学 (Chiba University)coreStrategic or Co-development Partner · 4 April 2019Collaboration including joint opening of Chiba University Urayasu Rehabilitation Education Center, student clinical training at group facilities, and academic-healthcare partnerships.

Scale indicators7 records

Recent moves13 records

Expansion highlights6 records

Emerging players

• Message Co., Ltd. Japanese nursing care and welfare services provider operating facilities across multiple prefectures. Comparable to tums in nursing home operations and staff-training focus, but narrower scope (no acute hospitals).
• Care Twenty One (Care21): Listed Japanese nursing care operator providing facility-based and in-home care services. Comparable to tums in elderly care service delivery and facility roll-up strategy, though focused on nursing care rather than acute hospital integration.

Direct peers

• Nichii Gakkan: Diversified healthcare services group including home-visit nursing, care facilities, medical staffing, and education. Comparable to tums in combining multiple service lines across the care continuum, though larger and listed.
• SOMPO Care: Operates nursing homes, group homes, daycare, and in-home care services under SOMPO Holdings. Comparable to tums in elderly long-term care operations and facility-based service delivery, with a broader geographic footprint and parent-company financial backing.
• Tsukui Corporation: Major Japanese nursing care and daycare services operator with hundreds of facilities nationwide. Comparable to tums in elder-care service delivery and staff-intensive operating model, though more concentrated in day services than residential acute care.
• Benesse Style Care: Major senior care operator under Benesse Group running assisted living facilities, nursing homes, and daycare centers. Comparable to tums in residential elder care operations and brand-driven family referrals, with stronger parent-group educational content capabilities.
• Tokushukai Medical Corporation: Largest private hospital group in Japan operating an integrated medical-welfare network across acute hospitals, clinics, and elder care facilities. Comparable to tums in combining multi-prefecture acute-care delivery with welfare services under a single medical corporation umbrella.
• Medical Corporation Kousei-kai: Japanese medical corporation group operating multiple hospitals and elder care facilities, often built through founder-led acquisitions. Comparable to tums in integrated hospital-nursing home portfolio structure and medical-corporation governance model.

Broad incumbents

• Saiseikai (Social Welfare Organization): Nationwide social welfare organization operating an extensive hospital and care facility network under a single brand. Overlaps with tums in hospital + long-term care integration but at materially larger national scale and with welfare-corporation (rather than for-profit medical-corporation) structure.

Others

• Asahi Kasei Corporation (Healthcare Division): Major diversified Japanese industrial group with a healthcare division covering pharmaceuticals, medical devices, and critical care. Tangentially comparable through Japanese healthcare market participation, but operating as a broad incumbent supplier rather than a care-mix provider.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks7 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UClO34tSpSAqQXWkKC1Ly6-g
• Instagraminstagram.com/tums_koho

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries16 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 Towakai universal medical service