Medical Anesthesia Consultants (MAC) was Northern California's leader in providing perioperative care to hospitals, medical centers, surgery centers, and physician’s offices in the Alameda, Contra Costa, Marin, San Mateo, and San Francisco counties. MAC joined Envision in 2013, this group established clinical best practices, improved the quality of care, and supported the growing needs of the community throughout Northern California. As of Jan. 1, 2023, MAC will no longer provide anesthesia services in the Northern California region. The MAC LinkedIn page may be deleted when the company has five or fewer currently listed employees.