Radiology is at the heart of modern medical diagnosis and treatment. As technology rapidly evolves, radiology services are becoming more essential, precise, and widespread. From X-rays and MRIs to PET scans and CTs, radiology touches every corner of healthcare—from emergency medicine to oncology and orthopedics.
With demand for radiological services soaring, radiology physician groups have grown in both size and sophistication. These groups include specialized radiologists who collaborate to offer top-tier diagnostic imaging services across outpatient centers, hospitals, and telehealth platforms.
For healthcare marketers, medical device companies, and service providers, targeting radiology physician groups is not just a good strategy—it’s essential. Whether you’re offering cutting-edge imaging software, radiology-specific AI solutions, PACS systems, or healthcare staffing services, getting in front of the right group can mean the difference between stagnation and exponential growth.
This guide brings you the top 20 radiology physician groups in the US, the total number of radiology groups operating nationwide, and how to effectively market your healthcare solutions to them using Ampliz Healthcare Data Intelligence.
Top 20 Radiology Physician Groups in the US (2025)
| Rank | Radiology Group Name | Headquarters Location | Number of Physicians | Key Specialties | DataSet |
|---|---|---|---|---|---|
| 1 | Radiology Partners | El Segundo, CA | 3,500+ | Diagnostic, Interventional, AI | Access Now |
| 2 | Envision Radiology (formerly vRad) | Eden Prairie, MN | 1,200+ | Teleradiology | Access Now |
| 3 | RadNet | Los Angeles, CA | 900+ | Imaging Centers, MRI, CT | Access Now |
| 4 | US Radiology Specialists | Raleigh, NC | 500+ | Diagnostic Imaging, MSK, Neuro | Access Now |
| 5 | LucidHealth | Columbus, OH | 400+ | Advanced Diagnostics | Access Now |
| 6 | Quantum Radiology | Atlanta, GA | 300+ | MSK, Women’s Imaging | Access Now |
| 7 | SimonMed Imaging | Scottsdale, AZ | 250+ | Outpatient Imaging | Access Now |
| 8 | American Radiology Associates | Dallas, TX | 200+ | Neuroradiology, Pediatric | Access Now |
| 9 | Inland Imaging | Spokane, WA | 200+ | Breast Imaging, Interventional | Access Now |
| 10 | Diversified Radiology | Denver, CO | 150+ | Subspecialty Radiology | Access Now |
| 11 | University Radiology Group | East Brunswick, NJ | 150+ | Academic, Diagnostic | Access Now |
| 12 | Radiology Associates of North Texas | Fort Worth, TX | 215+ | Interventional, Pediatric | Access Now |
| 13 | Jefferson Radiology | Hartford, CT | 100+ | Cardiac, Neuro, Vascular | Access Now |
| 14 | Midwest Radiology | St. Paul, MN | 130+ | Outpatient, Subspecialty | Access Now |
| 15 | Imaging Healthcare Specialists | San Diego, CA | 80+ | MRI, CT, PET | Access Now |
| 16 | Charlotte Radiology | Charlotte, NC | 120+ | Women’s Imaging, MSK | Access Now |
| 17 | Advanced Radiology Services | Grand Rapids, MI | 200+ | Breast, Neuro, Pediatric | Access Now |
| 18 | Riverside Radiology and Interventional | Columbus, OH | 150+ | Interventional, Teleradiology | Access Now |
| 19 | Desert Radiology | Las Vegas, NV | 80+ | Diagnostic, Interventional | Access Now |
| 20 | Commonwealth Radiology Associates | Boston, MA | 70+ | Academic, Community Imaging | Access Now |
How Many Radiology Physician Groups Are There in the US?
As of 2025, there are over 6,000 radiology physician groups operating across the United States. These groups range from small regional practices to large national networks. Many of them serve as exclusive radiology providers for hospitals and health systems, while others specialize in teleradiology, interventional radiology, or outpatient diagnostic imaging services.
This massive number underscores the importance and competitiveness of the field—presenting a vast opportunity for vendors and marketers in healthcare technology, pharmaceuticals, imaging equipment, and consulting.
Why It’s Important to Market to Radiology Groups
Radiology groups influence clinical decisions for nearly every department within a healthcare organization. Here’s why reaching them should be part of your marketing strategy:
- High-Tech Adoption Rate
Radiologists are among the earliest adopters of new medical technology, including AI, cloud-based PACS, and image-enhancing software. - Central to Diagnosis
Over 80% of hospital admissions involve at least one radiology procedure. Gaining traction with radiologists amplifies your product’s visibility system-wide. - Buying Power
Large radiology groups often manage substantial budgets and influence purchasing decisions for imaging modalities, software, and analytics. - Multi-Site Influence
Many groups operate across dozens—or even hundreds—of sites, offering scale and consistency when it comes to partnerships. - Telehealth & Teleradiology Growth
The expansion of remote imaging interpretation opens new digital channels and business models for service providers.
How to Reach Radiology Physician Groups Using Ampliz?
Reaching the right decision-makers within radiology groups requires precision. That’s where Ampliz Healthcare Data Intelligence comes in.
1. Access Verified Contact Data
Ampliz provides up-to-date contact data for:
- Chief Radiologists
- Imaging Directors
- PACS Administrators
- Hospital Procurement Managers
- Group Practice Administrators
You can segment by location, specialty, number of physicians, or even imaging modality.
2. Hyper-Targeted Email Campaigns
Run email campaigns that actually convert. With clean, segmented lists from Ampliz, you can send offers or product information directly to the right individuals—whether it’s a head of teleradiology or director of outpatient imaging.
3. Integrated CRM Workflows
Ampliz integrates with popular CRMs, allowing you to import contact data, enrich it in real time, and keep your sales funnel constantly updated.
4. Intelligence Beyond Contacts
Go beyond just names and emails. Ampliz provides organizational insights like revenue size, number of imaging centers, buying behavior, and affiliations with hospital systems.
5. Data Compliance & Accuracy
Ampliz ensures all healthcare data complies with HIPAA, GDPR, and CAN-SPAM regulations. Their multi-layer verification process ensures you reach real, engaged leads—not dead ends.
Conclusion
Radiology physician groups are not just service providers—they are strategic influencers in healthcare. With over 6,000 groups nationwide, targeting them effectively is crucial for marketers offering innovative healthcare solutions.
By leveraging tools like Ampliz Healthcare Data Intelligence, you gain more than a contact list—you gain strategic insight, campaign-ready data, and a direct line to the decision-makers shaping the future of diagnostic care.
If you’re looking to grow your presence in the healthcare imaging space, Ampliz is your launchpad. From initial outreach to lasting partnerships, make every interaction count by connecting with the right radiology groups at the right time.
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