Top 20 Largest Anesthesiology Physician Groups Practices in the US

Last updated on July 14th, 2026

Anesthesiology plays a pivotal role in modern healthcare, ensuring patient safety and comfort during surgical procedures. In the United States, the landscape of anesthesiology has evolved significantly, with large physician group practices emerging as key players in delivering comprehensive anesthesia services across various healthcare settings. These groups not only provide clinical care but also influence healthcare economics, policy, and innovation.

For healthcare marketers, understanding the structure and reach of these anesthesiology groups is essential. Targeting these organizations can lead to meaningful partnerships and the successful promotion of medical products and services. Leveraging tools like Ampliz healthcare data intelligence can enhance your marketing strategies by providing accurate and actionable insights into these groups.

Top 20 Largest Anesthesiology Physician Groups Practices in the US

Based on the number of affiliated physicians, here are the top 20 anesthesiology physician group practices in the United States:

The Scope of Anesthesiology Group Practices in the US

Anesthesiology practices in the U.S. are broadly categorized into academic medicine and private practice. According to the American Society of Anesthesiologists, approximately 57% of anesthesiologists are employed in private practice settings, while the remaining 43% are affiliated with academic institutions.

The consolidation trend in anesthesiology has led to the formation of large group practices, often backed by private equity firms. For instance, U.S. Anesthesia Partners (USAP) was established through the acquisition of multiple regional practices, creating a significant presence across several state.

While the exact number of anesthesiology physician group practices in the U.S. varies, the growth of large groups indicates a shift towards more centralized and organized anesthesia services. This consolidation impacts not only clinical operations but also the business dynamics of healthcare delivery.

Reaching US Anesthesiology Groups with Ampliz

Marketing healthcare products and services to anesthesiology groups requires precise targeting and a deep understanding of the organizational structures. Ampliz healthcare data intelligence offers a comprehensive platform to access detailed information about healthcare professionals and organizations.

Benefits of Using Ampliz:

• Accurate Contact Information: Access up-to-date contact details of key decision-makers within anesthesiology groups.
• Organizational Insights: Understand the hierarchy, affiliations, and specialties of various groups to tailor your marketing strategies effectively.
• Market Segmentation: Segment your target audience based on geography, size, and other relevant parameters to optimize outreach.
• Data-Driven Strategies: Leverage analytics to assess the performance of your marketing campaigns and make informed decisions.

By utilizing Ampliz, healthcare marketers can enhance their engagement with anesthesiology groups, leading to more successful partnerships and business growth.

Conclusion

The landscape of anesthesiology in the United States is characterized by the emergence of large physician group practices that play a crucial role in healthcare delivery. Understanding these groups’ structures and dynamics is essential for healthcare marketers aiming to promote their products and services effectively.

Tools like Ampliz healthcare data intelligence provide the necessary insights and data to navigate this complex landscape. By leveraging such platforms, marketers can establish meaningful connections with anesthesiology groups, ultimately contributing to improved healthcare outcomes and business success.

Subbu

V. Subramanyam
Head of Product at Ampliz | Healthcare Data & GTM Intelligence Expert

V. Subramanyam is the Head of Product at Ampliz, where he leads the strategy and development of healthcare data intelligence solutions that help sales, marketing, recruiting, and commercial teams identify and engage healthcare decision-makers across the United States.

With extensive experience in product management, healthcare data, B2B SaaS, GTM strategy, and sales intelligence, he focuses on building products that simplify healthcare prospecting through accurate physician, hospital, executive, and healthcare organization data. His work emphasizes data quality, enrichment, and AI-powered workflows that enable organizations to make faster, data-driven decisions.

Connect with Him:

• LinkedIn: https://www.linkedin.com/in/vsubramanyam
• Company: https://www.ampliz.com