925-543-0140

Medical Anesthesia Consultants

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Leadership Advantage

With over 100 board-certified specialists, MAC provides a selection of the best medical directors and physicians that are trained for your specific need.

Management Expertise

We make solid commitments with hospitals and surgery centers to work efficiently at providing superior medical care and financial performance.

Anesthesia Specialists

Our anesthesiologists are physician specialists in all areas of anesthesia who accept the critical responsibility for patient welfare before, during and after surgery.

Meet Some Members of Our Management and Leadership Teams

Ryan Green, M.D. Site Director, Walnut Creek Endoscopy Center
Ryan Green, M.D.

Site Director at Walnut Creek Endoscopy Center

Ray Engstrom, M.D. Medical Director Cardiac Services at San Ramon Regional Medical Center and ValleyCare Medical Center
Ray Engstrom, M.D.

Medical Director
Cardiac Services at San Ramon Regional Medical Center and ValleyCare Medical Center

Haywon Lieh, M.D. Medical Director Aspen Surgery Center
Haywon Lieh, M.D.

Medical Director at Aspen Surgery Center

Ladd MacDonald, Chief Executive Officer
Ladd MacDonald

Chief Executive Officer