The U.S. Physician Groups Market is expanding as healthcare providers increasingly move toward organized group practices to improve operational efficiency, provide broader medical services, and manage the growing demand for healthcare. Physician groups allow multiple doctors to share administrative resources, infrastructure, technology, and specialized expertise, making them an important part of the U.S. healthcare delivery system.

According to Fortune Business Insights, the U.S. physician groups market size was valued at USD 305.88 billion in 2024. The market is anticipated to grow from USD 319.34 billion in 2025 to USD 444.79 billion by 2032, exhibiting a CAGR of 4.8% during the forecast period.

Shift from Small Physician Practices to Larger Groups

One of the major trends influencing the U.S. Physician Groups Market is the increasing movement of physicians from smaller practices toward larger group organizations. Independent physicians often face substantial administrative, financial, regulatory, and technology-related responsibilities.

Larger groups can provide administrative support, shared infrastructure, specialized resources, and greater negotiating capabilities with payers. These factors are encouraging some physicians to join larger organizations rather than independently managing all aspects of a practice. According to Fortune Business Insights, the share of physicians working in groups of 10 or fewer declined from 61.4% in 2012 to 51.8% in 2022.

Rising Prevalence of Chronic Diseases

The increasing prevalence of chronic and acute medical conditions is contributing to demand for physician services across the U.S. Patients require regular consultations, diagnosis, treatment, and long-term disease management, creating continued demand for primary care and specialty physicians.

The growing emphasis on early diagnosis and treatment is also increasing patient visits to physician offices. As healthcare utilization expands, physician groups are positioned to serve larger patient populations through coordinated and specialized care models.

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Increasing Mergers and Acquisitions

Mergers and acquisitions are becoming an important feature of the U.S. Physician Groups Market. Smaller physician organizations may join larger groups or become part of hospital- or corporate-owned organizations to obtain financial and administrative support.

Larger healthcare organizations are also pursuing acquisitions to expand geographic coverage and strengthen their specialty offerings. These transactions are contributing to the consolidation of physician practices and changing the structure of the U.S. healthcare provider landscape.

Market Segmentation by Number of Physicians

Based on the number of physicians, the market is segmented into 2 to 10, 11 to 24, 25 to 50, and more than 50 physicians.

The 2 to 10 physicians segment held the largest market share in 2024. Smaller physician groups remain an important part of the market, particularly among physicians who prefer greater independence and traditional practice structures.

Meanwhile, the more than 50 physicians segment is expected to record strong growth during the forecast period. Larger organizations can provide financial security, administrative support, and broader medical capabilities, encouraging consolidation and expansion.

Ownership Analysis

By ownership, the market is categorized into physician-owned, hospital-owned, and others.

The physician-owned segment accounted for the leading share in 2024. However, the hospital-owned segment is expected to grow as hospitals and healthcare organizations increase their involvement in physician practices.

The expansion of hospital-owned practices has been supported by acquisitions and the financial and administrative challenges faced by independent groups. This changing ownership structure is expected to influence the competitive landscape throughout the forecast period.

Specialty Analysis

The market includes primary care, pediatrics, OB/GYN, ophthalmology, orthopedics, psychiatry, cardiology, dermatology, and others.

Primary care accounted for the largest share in 2024, supported by demand for general medical services and the increasing prevalence of chronic and acute conditions. Primary care physicians play an important role in disease prevention, diagnosis, treatment, and long-term patient management.

The OB/GYN segment is expected to experience notable growth as demand for women's healthcare services increases. Ophthalmology is another important specialty, supported by the prevalence of eye-related conditions and growing demand for examinations and specialized procedures.

Payor and Practice Type Analysis

Based on payor, the market is divided into public health insurance and private health insurance/out-of-pocket.

The private health insurance/out-of-pocket segment dominated in 2024, supported by the broad availability of private insurance plans in the U.S. Public health insurance also represents an important source of healthcare coverage and contributes to demand for physician services.

By type, the market is divided into single-specialty and multi-specialty groups. The multi-specialty segment led the market in 2024. Multi-specialty groups can provide patients with access to multiple medical disciplines within an integrated practice environment, while physicians can benefit from shared administrative resources and broader organizational support.

Regional Analysis

The U.S. market is segmented into the Northeast, Southeast, Southwest, Midwest, and West.

The Northeast accounted for the largest market share in 2024, supported by the presence of numerous physician groups and increasing collaborations and partnerships among healthcare providers.

The Southeast is expected to record significant growth during the forecast period. Expansion of physician organizations, geographic growth strategies, and demand for accessible healthcare services are among the factors contributing to regional development.

Competitive Landscape

The U.S. Physician Groups Market is fragmented and includes large healthcare organizations as well as smaller physician practices. Competition is influenced by geographic coverage, specialty offerings, patient access, organizational scale, and expansion strategies.

Key players identified by Fortune Business Insights include:

  • The Permanente Medical Group, Inc.
  • Optum, Inc.
  • Brigham and Women’s Hospital
  • Cleveland Clinic
  • HealthCare Partners IPA
  • Ascension
  • Northwell Health
  • Mayo Foundation for Medical Education and Research (MFMER)
  • Beaumont Health
  • Advocate Aurora Health
  • NYU Langone Hospitals

Mergers, acquisitions, collaborations, and expansion of specialty services remain important strategies among major organizations seeking to broaden their healthcare networks.

Recent Industry Developments

Recent industry activity has focused heavily on acquisitions, partnerships, and expansion of physician networks. Healthcare organizations have continued to acquire independent physician practices and establish collaborations designed to expand geographic coverage and strengthen integrated healthcare services.

For example, Fortune Business Insights reports that in January 2024, UnitedHealth Group announced the acquisition of the Corvallis Clinic, a physician practice in western Oregon. Such transactions illustrate the continuing consolidation and expansion occurring across the U.S. physician practice landscape.

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Future Outlook

The U.S. Physician Groups Market is expected to maintain steady growth through 2032 as healthcare demand increases and physicians continue to evaluate different practice structures. The shift toward larger organizations, increasing prevalence of chronic conditions, technological requirements, and ongoing mergers and acquisitions are expected to remain important market factors.

The market is projected to increase from USD 319.34 billion in 2025 to USD 444.79 billion by 2032, representing a CAGR of 4.8% during the forecast period. As healthcare organizations expand their physician networks and patients seek increasingly coordinated medical services, physician groups are expected to remain an important component of the U.S. healthcare delivery system.

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