Yokohama General Hospital

What Yokohama General Hospital does

Yokohama General Hospital (横浜総合病院) is a private, multi-specialty acute-care general hospital operated by Medical Corporation Ryokuseikai in Aoba Ward, Yokohama, Kanagawa Prefecture, Japan. Founded in 1976 and staffed by 501–1,000 employees across 23+ clinical departments and 9 specialized centers (Heart, Brain/Neurology, Gastroenterology, Diabetes, Kidney, Gynecological Endoscopic Surgery, Maternity, and Wound Care centers), the hospital functions as a designated secondary emergency medical institution and has operated under Japan's Diagnosis Procedure Combination (DPC) per-diem payment system since April 2022. Annual throughput comprises roughly 6,000 inpatient discharges and 3,800–4,500 endoscopic procedures, supported by advanced equipment including a Canon Alphenix angiography system installed October 2023 and an Abbott EnSite X 3D cardiac mapping system. The hospital has held ISO 9001 certification since 2009 and was selected as an Introduced Patient Priority Medical Institution effective April 2026.

The hospital's business model is anchored in Japan's regulated national health insurance (国民健康保険/協会けんぽ/組合保険) reimbursement framework, with limited self-pay revenue from second-opinion consultations (20,000–30,000 JPY) and selected medical fees (5,500–7,700 JPY). Distribution flows through a formalized two-way referral network with regional primary care clinics in Yokohama and Kawasaki, a centralized outpatient appointment center, 24/7 emergency intake, and free shuttle buses serving four train stations. The Ryokuseikai ecosystem extends the hospital's footprint through affiliated entities — Azamino Health Checkup Clinic (screening), Silver Plaza (geriatric rehabilitation), and the Visiting Nursing Station (post-discharge home care) — enabling patient capture across the care continuum. Service mix is heavily skewed toward elderly patients (over 60% of discharges are aged 70+), reflecting the catchment area's status among Japan's highest life-expectancy regions.

Recent strategic positioning reflects mixed offensive and defensive moves: the Referral Priority designation (April 2026) and leadership succession (Iwabuchi Satoshi as Hospital Director, April 2025) anchor an offensive regional-specialization strategy, while contractions such as the Wound Care outpatient closure (December 2025) and Obstetrics service suspension (August 2024) reflect physician-recruitment challenges typical of Japan's healthcare labor market. The June 2026 transition to external prescription (院外処方) aligns the institution with national pharmaceutical-separation policy. Customer concentration risk is low given a dispersed community patient base, but revenue concentration in regulated national insurance reimbursement and a single-campus footprint limit diversification.

Name

Yokohama General Hospital

Legal name

Medical Corporation Ryokuseikai Yokohama General Hospital (医療法人社団　緑成会　横浜総合病院)

Website

https://yokoso.or.jp

Company type

Private

Founded year

1993

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Yokohama General Hospital is a private multi-specialty acute-care hospital in Aoba Ward, Yokohama, operating 23+ clinical departments and 9 specialized centers under Japan's DPC payment system, serving an elderly-skewed community across Yokohama and Kawasaki.

Ownership category

akta.pro rank

Product category

Acute Care Hospital Services

NAICS

General Medical and Surgical Hospitals (62211), General Medical and Surgical Hospitals (622110), General Medical and Surgical Hospitals (6221)

SIC

Services-General Medical & Surgical Hospitals, Nec (8062), Services-Hospitals (8060)

akta.pro industry

PRIMARYHLAFAAAB

Community & Regional General Hospitals

Healthcare & Life Sciences/Healthcare Providers & Systems/Acute Care Hospitals & Health Systems

SECONDARYHLAFAHAD

Neurology & Neurosurgical Specialty Hospitals

Healthcare & Life Sciences/Healthcare Providers & Systems/Specialty Hospitals & Inpatient Specialty Care

SECONDARYHLAFABAK

Ambulatory Cardiology Diagnostic & Procedure Centers (Non-hospital-based)

Healthcare & Life Sciences/Healthcare Providers & Systems/Ambulatory & Outpatient Care Centers

SECONDARYHLAFABAL

Outpatient Endoscopy & GI Procedure Centers (Non-ASC)

Healthcare & Life Sciences/Healthcare Providers & Systems/Ambulatory & Outpatient Care Centers

Keywords

• Acute care hospital
• Cardiac catheterization
• Emergency medical services
• Endoscopic procedures
• Cardiac rehabilitation

Headquarters

HQ city

Yokohama-shi

HQ country

Japan

HQ region

Asia

Offices3 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Infrastructure

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels8 records

Core offering

Yokohama General Hospital is a multi-specialty acute-care general hospital providing inpatient, outpatient and 24/7 emergency medical services across 24 clinical departments and 9 specialized centers (Neurosurgery, Heart, Gastroenterology, Diabetes, Kidney, Gynecologic Endoscopic Surgery, Maternity, Wound Care). Core service lines include cardiovascular catheterization and ablation, advanced GI endoscopy (ESD/EMR/ERCP/EUS), laparoscopic surgery, cataract surgery, stroke care, and orthopedic trauma. Operations are billed under the Japanese national health insurance system (DPC for inpatients), with self-pay selected medical fees for non-referred visits and a separate second-opinion clinic.

Product overview

Yokohama General Hospital (横浜総合病院) is a multi-specialty acute care general hospital with 24 specialized departments and 9 centers operating on a DPC (Diagnosis Procedure Combination) payment system. The hospital offers comprehensive medical services through its core departments (internal medicine, surgery, emergency care, diagnostics, rehabilitation) supported by specialized centers including Neurosurgery Center, Heart Center, Gastroenterology Center, Diabetes Center, Kidney Center, Gynecological Endoscopic Surgery Center, Maternity Center, and Wound Care Center. The hospital transitioned to external prescriptions in June 2026 and publishes annual DPC-based hospital indicators. Services operate 24/7 for emergencies with scheduled outpatient clinics.

Differentiator

Problem solved

Functional benefit

Products and services

• Neurosurgery Center (脳神経センター) Specialty center combining neurosurgery and neurology, providing acute stroke care, brain tumor treatment, head trauma, and cerebrovascular disease management with 24-hour emergency MRI and surgery capabilities.
• Heart Center (ハートセンター) Integrated cardiovascular program combining cardiology and cardiovascular surgery, offering cardiac catheterization, catheter ablation, pacemaker/ICD implantation, cardiac surgery, and team-based cardiac rehabilitation.
• Gastroenterology Center (消化器センター) Center covering gastrointestinal and hepatobiliary-pancreatic diseases with advanced endoscopic procedures including ESD, EMR, ERCP, and EUS-FNA; performs ~3,866-4,452 endoscopic procedures annually.
• Diabetes Center (糖尿病センター) Specialty diabetes care program offering dietary guidance, medication management, patient education, and digital health content (YouTube channel and diabetes health management website).
• Kidney Center (腎センター) Center providing chronic kidney disease management, dialysis support, and kidney-related diagnostics and treatment.
• Gynecologic Endoscopic Surgery Center (婦人科内視鏡手術センター) Specialty surgical center for minimally invasive gynecological procedures including laparoscopic hysterectomy and myomectomy.
• Maternity Center (マタニティーセンター) Center providing prenatal care, childbirth services, and postpartum support including a postpartum stay program.
• Wound Care Center (創傷ケアセンター) Specialty wound management program offering diabetic foot care, debridement, negative pressure wound therapy, and limb preservation (outpatient operations closed December 12, 2025 due to attending physician retirement).
• 24/7 Emergency Medical Services (救急医療サービス) Round-the-clock secondary emergency care accepting urgent cases in cardiology, neurology, surgery and trauma 365 days/year, with specialized emergency teams.
• Surgical Services (手術サービス) General and specialty surgical program covering orthopedics (fractures, joint replacement), ophthalmology (cataract), urology, breast surgery, and plastic surgery.
• Diagnostic Services (検査サービス) Comprehensive diagnostic testing including laboratory, pathology, imaging (X-ray, CT, MRI, ultrasound), endoscopy, and cardiac diagnostics.
• Second Opinion Outpatient Clinic (セカンドオピニオン外来) Reservation-only self-pay outpatient service providing independent second medical opinions on cancer treatment, surgical indications, and treatment options across multiple specialties (cardiology, breast surgery, orthopedics, spine, neurology, obstetrics/gynecology, dermatology, ENT, radiology, dental surgery); 20,000 JPY for up to 30 min or 30,000 JPY for up to 60 min.
• Azamino Health Checkup Clinic (あざみ野健診クリニック) Affiliated satellite health-screening clinic providing health examinations and breast cancer screening, with referrals to the main hospital for treatment when findings require intervention.
• Yokohama Silver Plaza (横浜シルバープラザ) Affiliated geriatric rehabilitation and healthcare facility for the elderly operated by the parent medical corporation, staffed with pharmacists providing medication management for elderly residents.

Quantifiable outcome

• Post-operative antibiotic prophylaxis rate (surgery starting within 1 hour): 99.83% (R6/2024)
• +7 more outcomes

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• Regional Clinics and Primary Care Physicians (Aoba Ward, Asao Ward, Tsuzuki Ward, Miyamae Ward)coreChannel Partner/ Reseller/ DistributorFormalized two-way referral network with regional primary care clinics. As a designated Introduced Patient Priority Medical Institution (紹介受診重点医療機関) from April 2026, the hospital serves as a specialized care destination receiving referred patients, with a commitment to refer patients back to referring clinics for ongoing care after stabilization. The Regional Medical General Support Center (地域医療総合支援センター) coordinates these referral relationships.
• Azamino Health Checkup Clinic (あざみ野健診クリニック)coreStrategic or Co-development PartnerAffiliate health screening clinic within the same medical corporation Ryokuseikai. Provides breast cancer screening and health checkups, with patients referred to the main hospital for treatment when findings require medical or surgical intervention. Located in Azamino area of Aoba Ward.
• Nursing Homes and Senior Care Facilities (区域内 老健・介護施設)coreStrategic or Co-development PartnerThe hospital operates Yokohama Silver Plaza (介護老人保健施設 横浜シルバープラザ), a geriatric rehabilitation facility affiliated with the parent medical corporation. Additionally, the home care department (在宅科) and visiting nursing station coordinate care transitions between the hospital and community senior care facilities, managing elderly patients post-discharge and preventing re-hospitalization.
• Regional Senior Facilities and Dementia Care NetworkminorStrategic or Co-development PartnerAs a designated dementia medical center (杭州市中区老年病医院) and dementia early intervention team provider, the hospital coordinates with regional dementia care facilities, senior centers, and home care services to manage dementia patients and prevent institutionalization.
• Yokohama City Government / Kanagawa Prefecture Public Health OfficescoreStrategic or Co-development PartnerThe hospital serves as a designated secondary emergency medical institution (二次救急医療機関) under Yokohama City's emergency medical care system. As a designated dementia medical center (杭州市中区老年病医院), the hospital operates under guidance and partial funding/oversight from the city. Coordinates with public health offices for infectious disease response (measles, COVID-19) and vaccination programs.
• Canon Medical Systems (Canon社)coreTechnology or IntegrationCanon Medical Systems installed the latest Alphenix cardiovascular angiography system at the hospital in October 2023. This represents a technology partnership for advanced cardiac catheterization diagnostics and treatment capabilities.
• Abbott Japan (アボット社)coreTechnology or IntegrationAbbott Japan provides the EnSite X EP System (3D cardiac mapping system) used for arrhythmia diagnosis and catheter ablation procedures at the Heart Center. This technology enables precise visualization of cardiac electrical activity for optimal treatment outcomes.

Scale indicators8 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Yokohama City University Medical Center: Major municipal academic medical center in southern Yokohama offering broader specialty depth and higher-acuity services. Represents an upstream referral destination for complex cases that may otherwise remain at Yokohama General Hospital.
• Toho University Ohashi Medical Center: Major Tokyo-based academic hospital where the new Yokohama General Hospital Director previously served. Comparable tertiary cardiovascular and multi-specialty capability, representing a high-end competitor for advanced cardiac procedures.

Direct peers

• Showa University Fujigaoka Hospital: University-affiliated acute-care hospital also located in Aoba Ward, Yokohama, directly overlapping Yokohama General Hospital's primary catchment area. Offers comparable multi-specialty services including cardiology, gastroenterology, and emergency medicine, making it the most direct competitor for referring clinics.
• St. Marianna University Yokohama City Seibu Hospital: Mid-to-large acute-care hospital in western Yokohama serving a similar multi-specialty referral model with emergency, cardiovascular, and gastrointestinal services. Operates as a secondary emergency institution under comparable DPC payment terms.
• Saiseikai Yokohama Nanbu Hospital: Mid-size regional general hospital operated by the Saiseikai foundation in southern Yokohama, providing comparable multi-specialty acute care including cardiovascular, gastroenterology, and emergency services under DPC payment.
• Keiyu Hospital: Mid-size private acute-care hospital in Naka Ward, Yokohama, providing multi-specialty services including cardiac, gastrointestinal, and emergency care. Operates under similar DPC framework and serves as a comparable private-sector benchmark.
• Kanto Rosai Hospital: Regional acute-care hospital in Kawasaki City directly bordering Yokohama General Hospital's catchment. Provides multi-specialty inpatient and outpatient services including cardiology and gastroenterology under similar DPC framework.
• Yokohama Rosai Hospital: Regional acute-care hospital in Kohoku Ward, Yokohama, providing similar multi-specialty services under Japan's Rosai hospital group. Operates as a secondary emergency institution with comparable scale (~400 beds) and DPC payment structure.

Regional players

• Nippon Medical School Musashi Kosugi Hospital: University-affiliated general hospital serving Kawasaki's Musashi Kosugi area, adjacent to Yokohama General Hospital's catchment. Provides overlapping secondary emergency and multi-specialty services with similar mid-tier acuity profile.

Others

• Canon Medical Systems: Vendor partner that installed the Alphenix cardiovascular angiography system at Yokohama General Hospital in October 2023. Not a competitor but an enabling technology partner relevant for understanding the hospital's capital equipment and capability trajectory.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xnote.com/yokosokango

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Subsidiaries3 records

Funding overview

Funding rounds

Investors

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

M&A

Investments

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Frequently asked questions about Yokohama General Hospital