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Anesthesia Service Medical Group, Inc.

ASMG is a San Diego-based anesthesiology group founded in 1946, employing more than 270 anesthesiologists across 10 hospitals.

Last updated September 28, 2026

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Overview

Anesthesia Service Medical Group, Inc. (ASMG) is a physician-owned anesthesiology group based in San Diego, California. Founded in 1946, it has built a long-standing reputation as one of the region's leading providers of anesthesia and critical care services. The group employs more than 270 anesthesiologists, all of whom are board certified or board eligible in anesthesiology, with many also holding board certification in other specialties such as internal medicine, critical care, and pediatrics. ASMG provides anesthesia services across 10 hospitals in the San Diego area, covering a broad range of clinical areas including cardiac anesthesia, transplant anesthesia, general operating room anesthesia, obstetric anesthesia, and regional anesthesia. In addition to its operating room work, ASMG staffs the critical care department at Rady Children's Hospital. The scale of ASMG's practice is substantial: the group participates in approximately 200,000 surgical cases per year, including an average of more than 20,000 deliveries, 6,000 cardiovascular surgeries, and 35,000 orthopedic surgeries. This volume reflects its role as a major anesthesia provider for the San Diego healthcare market. As a medical group rather than a product manufacturer, ASMG's "offerings" are clinical services delivered by its physician members. Its business model centers on hospital-based anesthesia staffing and related critical care coverage. The organization operates as a private professional corporation and is not publicly traded.

History

Anesthesia Service Medical Group, Inc. (ASMG) was founded in 1946, making it one of the older continuously operating anesthesiology groups in California. From its base in San Diego, the group grew into a major provider of hospital anesthesia services in the region. Over the decades it expanded its clinical scope to include cardiac anesthesia, transplant anesthesia, obstetric anesthesia, regional anesthesia, and critical care. By the 2020s, ASMG employed more than 270 anesthesiologists and provided services at 10 hospitals, including staffing the critical care department at Rady Children's Hospital. The group reports participation in approximately 200,000 surgical cases per year, including more than 20,000 deliveries, 6,000 cardiovascular surgeries, and 35,000 orthopedic surgeries annually.

  • 1946

    Anesthesia Service Medical Group, Inc. (ASMG) is founded.

  • ASMG grows to employ more than 270 anesthesiologists and provide services at 10 hospitals in the San Diego area.

  • ASMG staffs the critical care department at Rady Children's Hospital.

Products and positioning

A large, physician-owned anesthesiology group serving San Diego hospitals with board-certified specialists and high-volume surgical, obstetric, cardiac, and orthopedic anesthesia coverage.

  • Cardiac anesthesia

    Anesthesia services for cardiac surgical procedures.

  • Transplant anesthesia

    Anesthesia services for organ transplant surgeries.

  • General operating room anesthesia

    Anesthesia for general surgical cases in hospital operating rooms.

  • Obstetric anesthesia

    Anesthesia and analgesia for labor and delivery, supporting more than 20,000 deliveries per year on average.

  • Regional anesthesia

    Targeted nerve block and regional anesthesia techniques.

  • Critical care staffing

    Physician staffing for the critical care department at Rady Children's Hospital.

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