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About OSMD

Built by Physicians. Built for Better Hospital⁠–⁠Physician Partnerships.

Learn More About Our Approach

Why OSMD Exists

OSMD was created by physicians who experienced hospital employment, locums, physician leadership, and hospital operations firsthand and saw the need for a better model.

From Staffing to Workforce Strategy

OSMD has evolved from a staffing concept into a broader physician workforce and service-line partner, working with hospitals on physician recruitment, program stabilization, and service-line growth.

Leadership Beyond Staffing

  • Stabilizing and growing physician services
  • Strengthening physician and hospital leadership
  • Developing clinical programs
  • Restructuring service lines
  • Improving medical staff alignment
  • Supporting operations during organizational transition
  • Working with governmental and community stakeholders
  • Contributing to broader hospital turnaround strategies

Leadership

  • Portrait of David A. Rosen, M.D., M.P.H., F.A.C.P.

    David A. Rosen, M.D., M.P.H., F.A.C.P.

    Founder & President

    Board-certified internal medicine physician, hospitalist, and healthcare executive. Founder of OSMD and current Interim Chief Medical Officer for American Healthcare Systems. Experienced in physician-service stabilization, service-line development, hospital turnaround activity, governmental/community engagement, and continuing clinical practice.

  • Portrait of John Maslowski

    John Maslowski

    Chief Executive Officer

    Healthcare executive with experience across academic medical centers, community hospitals, physician enterprises, service-line development, and organizational growth.

  • Portrait of William A. Keates, M.D., M.H.A.

    William A. Keates, M.D., M.H.A.

    Executive Vice President

    Board-certified internal medicine physician, hospitalist, and healthcare executive. Current Chief Medical Officer of Randolph Health, with work focused on physician leadership, clinical operations, recruitment, retention, and service-line development.

  • Portrait of Nubia H.

    Nubia H.

    Title and bio coming soon.

  • Portrait of Marjorie

    Marjorie

    Title and bio coming soon.

OSMD has also been engaged to support the restructuring and development of key physician service lines at Randolph Health, including Cardiology and Pulmonary & Critical Care.

Built for Better Hospital⁠–⁠Physician Partnerships

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