Ridley-Tree Cancer Center

What Ridley-Tree Cancer Center does

Ridley-Tree Cancer Center is a Santa Barbara-based, not-for-profit, multi-disciplinary cancer treatment facility originally founded in 1949 as the Cancer Center of Santa Barbara and renamed in 2017 following a $10.73M contribution from Lady Leslie Ridley-Tree. The center operates as a clinical division of Sansum Clinic, which itself became part of Sutter Health in 2024. It provides the full spectrum of cancer care — radiation oncology (using two Elekta Versa HD linear accelerators of the same class deployed at MD Anderson, UCSF, and Johns Hopkins), medical oncology and hematology, surgical oncology, breast surgery, nuclear medicine, and palliative care — alongside clinical support services including genetic counseling, oncology nutrition, patient navigation, oncology social work, and a survivorship program. Clinical trial access is provided via partnerships with Sarah Cannon Research Institute, NRG Oncology, TEMPUS Time Trial Network, US Oncology Research Network, and Translational Research in Oncology (TRIO-US), covering Phase 1b–3 studies.

The business model is hybrid and reflective of a regional nonprofit provider. Direct patient care revenue is generated from insurance, Medicare, Medicaid, and self-pay reimbursement across infusion, radiation, surgical, and imaging services; this is supplemented by philanthropic capital raised through the Cancer Foundation of Santa Barbara, which served as the exclusive fundraising partner for the 2016 capital campaign that raised over $48 million from approximately 270 donors toward the $53 million, three-story, 54,780 square-foot main campus at 540 W. Pueblo Street that opened September 18, 2017. Substantive patient-paid services are complemented by free-of-charge programs — wellness classes, support groups, beauty/boutique services (wigs, prostheses, beauty consultations), and financial assistance — consistent with the center's stated mission to provide cancer care to everyone in Santa Barbara County regardless of means. The center distributes care through a single main campus plus a satellite in Solvang (2040 Viborg Road) and a nuclear medicine location in Santa Barbara (300 W. Pueblo Street), with inpatient surgical oncology services provided through a tie-in with Cottage Health. Patient acquisition is driven primarily by physician referrals from Sansum Clinic and other local providers, supplemented by Sutter Health network referrals, community outreach, and direct self-referral. As of the most recent disclosed operational data, the center served 11,367 patients in 2014, and demand is projected to grow materially as the 65+ population in Santa Barbara County expands.

Name

Ridley-Tree Cancer Center

Legal name

Ridley-Tree Cancer Center

Website

https://ridleytreecc.org

Company type

Private

Founded year

1949

Operating status

Operating

Headcount range

11–50 employees

Short description

Ridley-Tree Cancer Center is a Santa Barbara-based nonprofit multi-disciplinary cancer treatment facility, operating as a division of Sansum Clinic within Sutter Health, serving cancer patients across Santa Barbara County with radiation, medical, and surgical oncology, clinical trials, and free supportive care services.

Ownership category

akta.pro rank

Product category

Oncology Treatment Services

NAICS

Specialty (except Psychiatric and Substance Abuse) Hospitals (622310), Health Care and Social Assistance (62)

SIC

Services-Hospitals (8060), Services-Offices & Clinics Of Doctors Of Medicine (8011)

akta.pro primary industry

Oncology & Cancer Specialty Hospitals (HLAFAHAC)

akta.pro secondary industries

Hospital-Integrated Cancer Centers (Acute Oncology Programs) (HLAFAAAM), Medical Oncology (HLAKAFAB), Radiation Oncology (HLAKAFAC), Surgical Oncology (HLAKAFAG), Breast Oncology (HLAKAFAJ)

Keywords

• Oncology treatment services
• Radiation oncology
• Cancer care center
• Clinical trials oncology
• Supportive cancer care

Headquarters

HQ city

Santa Barbara

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Patient Care Services: Healthcare services provided to patients covered by insurance plans, Medicare, Medicaid, and self-pay patients. Revenue is generated through medical procedures, treatments, diagnostic services, and clinical visits.
2. Cancer Foundation of Santa Barbara Fundraising: The Cancer Foundation of Santa Barbara serves as the exclusive fundraising partner, raising millions of dollars each year to support enhanced cancer care services, equipment, and programs that would otherwise not be possible.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels7 records

Core offering

Ridley-Tree Cancer Center delivers comprehensive multi-disciplinary cancer care from diagnosis through survivorship, including radiation oncology, medical oncology and hematology, surgical oncology, breast surgery, nuclear medicine, and palliative care. Clinical support services include genetic counseling, oncology nutrition, patient navigation, oncology social work, and clinical trials through national research partnerships. The center also provides free supportive care programs such as wellness classes, support groups, beauty and boutique services, financial assistance, and a cancer resource library.

Product overview

Ridley-Tree Cancer Center is a comprehensive cancer treatment facility operated by Sansum Clinic in Santa Barbara, California, offering a unified multi-disciplinary approach to cancer care. The center provides core medical services including Radiation Oncology (featuring two Elekta Versa HD linear accelerators), Medical Oncology & Hematology, Surgical Oncology, Breast Surgery, Nuclear Medicine, and Palliative Care. Clinical support services include Clinical Research/Clinical Trials (partnering with Sarah Cannon Research Institute, NRG Oncology Network, and TEMPUS Time Trial Network), Genetic Counseling, Oncology Nutrition, Patient Navigation, and Oncology Social Work Services. Supportive care programs encompass a Cancer Resource Library, Wellness Programs & Classes, Support Groups, Beauty & Boutique Services, Financial Assistance, and Cancer Survivorship Services. The facility includes the Wolf Education & Training Center for physician and community education.

Differentiator

Problem solved

Functional benefit

Products and services

• Radiation Oncology
• Medical Oncology & Hematology
• Surgical Oncology
• Breast Surgery

Quantifiable outcome

• 11,367 patients served in 2014
• +1 more outcomes

Named customers1 record

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration8 records

Feature2 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• Cancer Foundation of Santa BarbaracoreStrategic or Co-development PartnerThe Cancer Foundation of Santa Barbara is the exclusive fundraising partner of Ridley-Tree Cancer Center. Thanks to community generosity, the foundation raises millions of dollars each year to enable exceptional cancer care that would otherwise be impossible. The foundation is the leading fundraising and grant-making non-profit dedicated to cancer in Santa Barbara and Sansum Clinic's largest donor.
• Sarah Cannon Research InstitutecoreStrategic or Co-development PartnerPartnership provides patients access to clinical trials evaluating new cancer therapies and treatment techniques through Sarah Cannon's research network.
• NRG Oncology NetworkcoreStrategic or Co-development PartnerPartnership provides patients access to clinical trials through NRG Oncology Network's research programs focused on advancing cancer treatments.
• TEMPUS Time Trial NetworkcoreStrategic or Co-development PartnerPartnership provides access to cutting-edge clinical trials and treatment techniques through TEMPUS Time Trial Network.
• US Oncology Research NetworkcoreStrategic or Co-development PartnerResearch partnership enabling participation in clinical trials that deliver the best treatments science has to offer.
• Translational Research in Oncology (TRIO-US)coreStrategic or Co-development PartnerResearch partnership for accessing clinical trials and contributing to oncology research advancements.
• Sutter HealthcoreStrategic or Co-development PartnerRidley-Tree Cancer Center is now part of Sutter Health, one of California's leading not-for-profit health care networks. This partnership provides access to broader healthcare resources, integrated electronic health records through MyChart, and patient referrals through the Sutter Health system.
• Cottage HealthminorStrategic or Co-development PartnerSurgical Oncology department is based at Ridley-Tree Cancer Center for outpatient care with two new procedure rooms, and at Cottage Health for inpatient care.

Scale indicators6 records

Recent moves8 records

Expansion highlights6 records

Direct peers

• Smilow Cancer Hospital (Yale New Haven Health): Yale New Haven Health's specialty cancer hospital providing multi-disciplinary oncology, infusion, radiation, and supportive care under one roof with a strong clinical trial network. Closely comparable on integrated campus model.
• City of Hope: Comprehensive cancer center and specialty hospital system based in Southern California with a comparable multi-disciplinary care model and clinical trial infrastructure. The most directly comparable peer by geography and integrated-service scope.
• Huntsman Cancer Institute: NCI-designated specialty cancer center affiliated with the University of Utah, offering integrated medical, radiation, and surgical oncology with strong research programs. Closely comparable peer on the specialty-hospital-plus-research model.

Broad incumbents

• Memorial Sloan Kettering Cancer Center: Largest U.S. specialty cancer hospital, providing the benchmark for multi-disciplinary oncology, radiation technology, and clinical research scale. Comparable on cancer-only focus and trial portfolio, though not geography-overlapping.
• MD Anderson Cancer Center: The reference specialty cancer hospital for radiation oncology technology and clinical research, explicitly cited by Ridley-Tree as the standard its Elekta Versa HD platform matches. Comparable in clinical scope, much larger in scale.
• Dana-Farber Cancer Institute: Specialty cancer center with deep clinical trial portfolio and academic affiliation. Comparable on cancer-only specialty positioning, multi-disciplinary care delivery, and research partnerships.

Regional players

• Stanford Cancer Institute: NCI-designated academic cancer center in Northern California offering medical, radiation, and surgical oncology with a strong clinical trial portfolio. Comparable by service breadth and trial network, though anchored to a tertiary academic medical center rather than a community setting.
• HonorHealth: Community-integrated health system with a multi-site cancer care program across the Phoenix metropolitan area. Comparable by community-based, multi-modality oncology delivery rather than direct product overlap.
• UCSF Helen Diller Family Comprehensive Cancer Center: Northern California NCI-designated cancer center known for clinical trials and radiation oncology capability. Relevant as a comparable specialty provider and an alternative referral destination for Ridley-Tree's catchment.
• UCLA Jonsson Comprehensive Cancer Center: NCI-designated comprehensive cancer center serving Southern California with research-driven multi-disciplinary oncology. Competes with Ridley-Tree for complex and rare cancer cases among Santa Barbara County patients willing to travel.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/ridleytreecc
• YouTubeyoutube.com/user/CancerCenterSB
• Facebookfacebook.com/RidleyTreeCC
• LinkedInlinkedin.com/company/ridleytreecc
• Instagraminstagram.com/Ridleytreecc

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Ridley-Tree Cancer Center