Last updated on June 4th, 2026

Largest Hospitalist Groups Ranked by Physician Count

Hospitalist physician groups in US play a critical role in modern healthcare by managing inpatient care, improving care coordination, and helping hospitals achieve better clinical outcomes. As healthcare systems continue to expand and adopt value-based care models, hospital medicine groups have become an essential part of hospital operations across the United States.

This guide highlights the largest hospitalist physician groups in the USA, explains their importance in healthcare delivery, examines current industry trends, and provides insights for healthcare marketers, recruiters, staffing firms, and healthcare technology vendors looking to connect with hospital medicine decision-makers.

What Are Hospitalist Physician Groups in the US?

Hospitalist physician groups are organizations of physicians who specialize in the care of hospitalized patients. Unlike primary care physicians who treat patients in outpatient settings, hospitalists focus exclusively on inpatient care.

Key Responsibilities of Hospitalists

  • Managing patient care during hospitalization
  • Coordinating treatment among specialists
  • Improving patient outcomes
  • Reducing hospital length of stay
  • Facilitating smooth discharge planning
  • Supporting value-based care initiatives

Today, hospitalist physician groups are among the fastest-growing segments of the U.S. healthcare workforce and serve as a cornerstone of inpatient care management.

How We Ranked the Largest Hospitalist Physician Groups in the USA?

This ranking of hospitalist physician groups in the USA is based on several key factors:

Physician Count

The number of practicing physicians remains one of the strongest indicators of organizational scale and market presence.

Hospital Coverage

Groups serving multiple hospitals and healthcare systems often demonstrate broader operational capabilities.

Geographic Reach

National and multi-state organizations typically have greater influence within hospital medicine.

Clinical Capabilities

Organizations offering comprehensive hospital medicine services often rank among the industry’s leaders.

Leadership Structure

The size and depth of physician leadership teams contribute to organizational effectiveness and growth potential.

20 Top Hospitalist Physician Groups by Physician Counts

RankPhysician Group NameLocation (City, State)Physician CountsData
1Mayo Clinic ArizonaScottsdale, AZ2012Explore Data
2Wake Forest University Health SciencesClemmons, NC1112Explore Data
3Colorado Permanente Medical Group, P.C.Denver, CO1109Explore Data
4The University of Chicago Medical CenterChicago, IL1113Explore Data
5University Physicians IncorporatedAurora, CO,1656Explore Data
6Montefiore Medical CenterBronx, NY795Explore Data
7Osu Internal Medicine, LlcColumbus, OH246Explore Data
8Lahey Clinic IncBurlington, MA384Explore Data
9New York UniversityNew York983Explore Data
10Carolinas Medical CenterCharlotte, NC513Explore Data
11Summit Medical Group PaBerkeley Heights, NJ195Explore Data
12Unm Medical Group IncAlbuquerque, NM569Explore Data
13NovaCare RehabilitationCook County123Explore Data
14Permanente Medical Group IncSan Leandro, CA138Explore Data
15Southern California Permanente Medical GroupSan Diego, CA383Explore Data
16University of Vermont Medical Center IncBurlington, VT228Explore Data
17University Medical Service Association IncTampa, FL360Explore Data
18Umass Memorial Medical Group IncWorcester, MA928Explore Data
19Dartmouth-Hitchcock ClinicLebanon, NH291Explore Data
20The Duluth Clinic LtdDuluth, MN245Explore Data

Table 1: Real time data from Ampliz healthcare Intelligence. Data Accessed on June 2026.

Hospitalist Physician Group Industry Trends in 2026

The hospital medicine landscape continues to evolve rapidly.

Expansion of Value-Based Care

Healthcare organizations increasingly rely on hospitalists to improve quality measures and reduce unnecessary utilization.

Hospitalist physician groups are becoming central to achieving value-based care objectives.

Growth of Telehospitalist Services

Telehealth adoption has expanded hospitalist coverage into rural and underserved areas.

Telehospitalist programs help hospitals:

  • Address physician shortages
  • Improve specialist access
  • Enhance overnight coverage
  • Reduce staffing costs

Artificial Intelligence in Hospital Medicine

AI-powered tools are transforming hospital operations.

Hospitalist physician groups are leveraging AI for:

  • Predictive analytics
  • Readmission risk assessment
  • Clinical decision support
  • Workflow optimization
  • Population health management

Workforce Challenges

Healthcare organizations continue to face physician shortages and burnout concerns.

As a result, hospitalist physician groups increasingly focus on:

  • Flexible scheduling
  • Retention programs
  • Physician wellness initiatives
  • Advanced practice provider integration

Hospitalist Groups vs Traditional Physician Groups

FeatureHospitalist Physician GroupsTraditional Physician Groups
Primary SettingHospitalClinic & Hospital
Patient RelationshipDuring HospitalizationLong-Term Care
Care FocusAcute Inpatient CareContinuous Care
Treatment DurationShort-TermLong-Term
Care CoordinationHighModerate

Understanding these differences helps healthcare organizations select the right partners for clinical and operational needs.

Why Healthcare Vendors Target Hospitalist Physician Groups?

Hospitalist physician groups represent valuable opportunities for healthcare companies.

Healthcare Technology Vendors

Hospitalists frequently influence purchasing decisions related to:

  • Clinical software
  • Population health platforms
  • Care coordination tools
  • Telehealth systems

Healthcare Staffing Firms

Recruitment agencies target hospital medicine programs to fill physician and advanced practice provider positions.

Medical Device Companies

Hospitalists often participate in evaluations of new clinical technologies and treatment solutions.

Revenue Cycle Management Providers

Efficient documentation and coding processes make hospitalist groups important stakeholders for RCM vendors.

Hospitalist Physician Group Contact Database

Healthcare marketers and sales teams often require accurate contact information for hospital medicine decision-makers.

A comprehensive hospitalist physician database may include:

  • Physician names
  • Email addresses
  • NPI information
  • Hospital affiliations
  • Practice locations
  • Executive leadership contacts

Access to verified hospitalist physician group data through best healthcare database providers helps organizations improve prospecting, account-based marketing, and healthcare sales performance.

Frequently Asked Questions

Q1: What is a hospitalist physician group?

A hospitalist physician group is an organization of physicians dedicated to managing inpatient care for hospitalized patients.

Q2: What do hospitalists do?

A: Hospitalists diagnose, treat, and coordinate care for patients during hospital stays while working closely with specialists and healthcare teams.

Q3: Why are hospitalist physician groups important?

A: Hospitalist groups improve care coordination, reduce readmissions, enhance patient outcomes, and support hospital efficiency.

Q4: How many hospitalists are there in the United States?

A: The hospital medicine workforce has grown significantly over the past two decades and now represents one of the largest physician specialties in the country.

Q5: What are the largest hospitalist physician groups in the USA?

A: The largest hospitalist physician groups are typically those with extensive physician networks, broad hospital affiliations, and significant geographic reach.

Q6: How can healthcare companies connect with hospitalist decision-makers?

A: Organizations often use healthcare databases, industry conferences, account-based marketing, and targeted outreach campaigns to engage hospital medicine leaders.

Conclusion

Hospitalist physician groups have become indispensable to modern healthcare delivery. From improving patient outcomes and care coordination to supporting value-based care initiatives, these organizations continue to shape the future of inpatient medicine.

As healthcare systems expand and technology adoption accelerates, the influence of hospitalist physician groups in the USA is expected to grow even further. Whether you are a healthcare recruiter, technology vendor, medical device company, or healthcare marketer, understanding the largest hospitalist physician groups can help identify strategic opportunities and build meaningful industry relationships.

Subbu

V. Subramanyam
Head of Product at Ampliz | Growth-focused B2B Leader

V. Subramanyam is a Head of Product at Ampliz with a strong focus on driving growth and innovation. As the Head of Product at Ampliz, I leads the development and strategic direction of cutting-edge solutions that empower businesses to leverage high-quality healthcare data for better decision-making. With years of experience in product management and leadership, I have deep industry knowledge with a customer-centric approach to deliver value-driven products that accelerate business success. And I am passionate about using data intelligence to transform businesses and create impactful outcomes.