North American Medical Management (NAMM) California, Inc., part of OptumCare®, develops and manages provider networks, offeri ... ng a full range of services to assist physicians and other providers in their managed care and business operations (the “Clients”). For over 25 years, NAMM has been an innovator in health care with a track record for quality, financial stability, extraordinary services and superior electronic capabilities. NAMM is well positioned to continually invest in its infrastructure and systems for the benefit of its Clients and to accommodate the impending changes that will come forth from healthcare reform. The NAMM Clients represent a network of over 600 primary care physicians and 1,500 specialists and work with the premier hospitals in their respective markets. read more