Green Bay Oncology

What Green Bay Oncology does

Green Bay Oncology is an independent, physician-owned multi-specialty oncology practice headquartered in Green Bay, Wisconsin, operating ten cancer treatment locations across Northeast Wisconsin and Upper Michigan. Founded in 1976 with research participation dating to 1983, the practice provides medical oncology, radiation oncology, surgical oncology (including fellowship-trained breast surgical oncology), and hematology services, and participates in one of only 32 NCI Community Oncology Research Program (NCORP) community sites nationally, granting patients access to NCI-sponsored clinical trials. Its core technology stack centers on advanced radiation modalities (IGRT, IMRT, SBRT, deep inspiration breath hold, prone positioning) and specialty therapeutics such as CAR T-cell therapy for hematologic malignancies and Pluvicto radioligand therapy for metastatic castration-resistant prostate cancer. The practice operates through embedded partnerships with HSHS, Ascension, OSF HealthCare, and independent hospital systems, supported by ancillary services including oncology nutrition, social work, a monthly cancer support group, and the 'Cancer Covered' patient education podcast.

The business model is professional services revenue generated through billing commercial insurance, Medicare Part A and B, Medicaid, and other payers for clinical care, supplemented by clinical trial activity under the NCORP designation. Patient acquisition is driven by physician referrals, hospital referrals, and direct appointment requests; the go-to-market is sales-led via hospital partnerships rather than consumer marketing. The practice is independently owned with no disclosed parent company, private equity, or venture capital backing, and the founding physicians remain referenced as the institutional origin. Operational scale is supported by 101-250 employees and 16-25 clinical providers, with 16 providers nationally recognized by the NCI for clinical trial enrollment in 2025.

Customer concentration is structurally low at the patient level (long-tail individual cancer cases) but moderate at the institutional level, given reliance on a small number of hospital system partners. The practice's competitive position rests on regulatory exclusivity (NCORP), specialty talent density, and a 10-site regional footprint that reduces patient travel burden. There are no disclosed AI/ML capabilities, proprietary technology platforms, or software products; differentiation is clinical rather than technological.

Name

Green Bay Oncology

Website

https://gboncology.com

Company type

Private

Founded year

1983

Operating status

Operating

Headcount range

101–250 employees

Short description

Green Bay Oncology is an independent, physician-owned multi-specialty oncology practice operating 10 treatment locations across Northeast Wisconsin and Upper Michigan, delivering medical, radiation, surgical oncology, hematology, and NCI-sponsored clinical trial services to cancer patients.

Ownership category

akta.pro rank

Product category

Oncology Services

NAICS

Offices of Physicians (62111), Other Ambulatory Health Care Services (6219)

SIC

Services-Offices & Clinics Of Doctors Of Medicine (8011), Services-Specialty Outpatient Facilities, Nec (8093)

akta.pro primary industry

Ambulatory Oncology Centers (Outpatient Chemo/Radiation) (HLAFABAI)

akta.pro secondary industries

Medical Oncology (HLAKAFAB), Radiation Oncology (HLAKAFAC), Surgical Oncology (HLAKAFAG)

Keywords

• Oncology services
• Cancer treatment
• Radiation therapy
• Hematology services
• Clinical trials

Headquarters

HQ city

Green Bay

HQ country

United States

HQ region

North America

Offices10 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Medical Services Revenue: Green Bay Oncology generates revenue through providing medical oncology, hematology, radiation oncology, and surgical oncology services to patients. Services are billed through insurance, Medicare, Medicaid, and other healthcare payers.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Green Bay Oncology is a private oncology practice delivering comprehensive cancer care across Northeast Wisconsin and Upper Michigan. The practice offers medical oncology, radiation oncology, hematology, and surgical oncology services through 10 treatment locations, supplemented by advanced therapies, clinical trials, and hospital partnerships to coordinate patient care.

Product overview

Green Bay Oncology is a healthcare practice offering comprehensive cancer care services through a multi-specialty provider group. The core offering consists of cancer treatment services including medical oncology, radiation oncology, hematology, and breast surgical oncology. Supporting services include clinical trials through the NCI NCORP program, oncology nutrition services, oncology social work services, and a monthly cancer support group. Specialized treatments include CAR T-cell therapy and Pluvicto for advanced prostate cancer. Patient education is provided through the Cancer Covered podcast series. Services are delivered across 10 locations in Northeast Wisconsin and Upper Michigan.

Differentiator

Problem solved

Functional benefit

Products and services

• Medical Oncology
• Radiation Oncology
• Hematology
• Surgical Oncology
• Clinical Trials
• CAR T-Cell Therapy
• Pluvicto Treatment

Quantifiable outcome

• 14,000 miles traveled for patients in 2023 - bringing cancer care close to home
• +1 more outcomes

Named customers7 records

Segments3 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

13 partnerships are on record, tiered core.

• HSHS Wisconsin Clinical Research InstitutecoreStrategic or Co-development PartnerClinical trials provided through HSHS St. Vincent Hospital Cancer Centers in Green Bay (two locations), Sheboygan, Oconto Falls, and Sturgeon Bay locations.
• Ascension Wisconsin Research InstitutecoreStrategic or Co-development PartnerClinical trials provided through Ascension St. Elizabeth (Appleton), Ascension Mercy (Oshkosh), and Ascension Calumet (Chilton) locations.
• NCI Community Oncology Research Program (NCORP)coreStrategic or Co-development PartnerGreen Bay Oncology is one of only 32 NCORP community sites in the nation, providing access to NCI-sponsored clinical trials for patients in the region.
• HSHS St. Vincent HospitalcoreStrategic or Co-development PartnerMain hospital partner providing cancer care services at two locations in Green Bay, Wisconsin.
• HSHS St. Mary's Hospital Medical CentercoreStrategic or Co-development PartnerHospital partner in Green Bay, Wisconsin providing cancer care services and hosting the monthly cancer support group.
• Ascension St. Elizabeth HospitalcoreStrategic or Co-development PartnerHospital partner in Appleton, Wisconsin with a comprehensive cancer center.
• Ascension Mercy HospitalcoreStrategic or Co-development PartnerHospital partner in Oshkosh, Wisconsin providing cancer care services.
• Ascension Calumet HospitalcoreStrategic or Co-development PartnerHospital partner in Chilton, Wisconsin providing cancer care services.
• OSF HealthCare St. Francis HospitalcoreStrategic or Co-development PartnerHospital partner in Escanaba, Michigan providing cancer care services.
• Schoolcraft Memorial HospitalcoreStrategic or Co-development PartnerHospital partner in Manistique, Michigan providing cancer care services.
• Door County Medical CentercoreStrategic or Co-development PartnerHospital partner in Sturgeon Bay, Wisconsin providing cancer care services.
• HSHS St. Clare Memorial HospitalcoreStrategic or Co-development PartnerHospital partner in Oconto Falls, Wisconsin providing cancer care services.
• HSHS St. Nicholas HospitalcoreStrategic or Co-development PartnerHospital partner in Sheboygan, Wisconsin providing cancer care services.

Scale indicators5 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• The US Oncology Network: Nation's largest network of community-based oncology practices, offering practice management, technology, and clinical research infrastructure. Comparable to Green Bay Oncology as a multi-specialty community oncology provider focused on clinical trial access, though operates at substantially greater scale and is backed by McKesson.
• City of Hope: Major NCI-designated comprehensive cancer center operating community oncology sites across Southern California (formerly Cancer Treatment Centers of America). Comparable through its offering of advanced therapies including CAR T-cell and clinical trials in a community setting, though operates at substantially greater institutional scale.

Direct peers

• OneOncology: Platform partnering with independent community oncology practices to provide capital, technology, and clinical research capabilities. Directly comparable to Green Bay Oncology's physician-owned, multi-specialty community oncology model, though OneOncology operates with private equity backing across multiple states.
• Florida Cancer Specialists & Research Institute: Independent community oncology practice with extensive clinical research program and multi-site operations across Florida. Closely comparable in structure and service mix—multi-specialty physicians, clinical trials, supportive care services—and similarly focused on community-based access to advanced oncology care.
• Oncology Hematology Care: Independent community oncology and hematology practice serving the Cincinnati tri-state region with multi-specialty providers and clinical research. Comparable to Green Bay Oncology as a private multi-location community oncology group with similar physician mix and trial enrollment focus.
• Alliance Cancer Specialists: Independent community oncology and hematology practice operating multiple sites across Pennsylvania. Directly comparable as a private, multi-specialty physician-owned oncology group delivering medical oncology, radiation oncology, and clinical trial access in regional markets.
• Northwest Medical Specialties: Multi-specialty oncology and hematology practice in the Pacific Northwest offering infusion, clinical trials, and supportive care. Comparable in scale and service mix to Green Bay Oncology as an independent regional community oncology provider.
• Zangmeister Cancer Center: Independent community oncology practice in Columbus, Ohio, offering medical oncology, hematology, infusion, and clinical research. Comparable as a regional physician-owned practice focused on bringing advanced cancer care close to patients in non-academic markets.
• Tennessee Oncology: Large independent multi-specialty oncology practice serving the Southeast, with active clinical research program. Comparable to Green Bay Oncology as a physician-owned practice offering comprehensive cancer care including medical, radiation, and hematology services plus clinical trials.
• The Center for Cancer and Blood Disorders: Independent multi-specialty oncology and hematology practice serving the Fort Worth region with clinical trials and supportive care services. Comparable to Green Bay Oncology as a physician-owned community oncology practice offering comprehensive cancer treatment across multiple locations.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/greenbayoncology
• LinkedInlinkedin.com/company/green-bay-oncology-ltd
• Instagraminstagram.com/gboncology
• Xx.com/gboncology

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 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 Green Bay Oncology