Tantau & Associates is a nationally renowned health care consulting firm that provides services to clients who are interested in dramatically improving access and medical office efficiency within and throughout their organizations.

As the creators and authors of Advanced Access we have been internationally recognized as the leaders in health care access design and implementation.

Tantau & Associates designs Advanced Access systems that are patient focused and provider friendly while improving service and reducing costs.

We pride ourselves on providing our clients with personalized service. Our work includes access to the principal at Tantau & Associates; Catherine Tantau, BSN, MPA. Along with a team of clinical specialists assembled specifically to meet the needs of each client, we bring years of experience creating, managing and designing health care operations in a wide variety of settings.

Distinctions include:

  • Having pioneered this work in the 1990’s, we have systematically spread the work from Primary Care to applications in Specialty services, Mental Health and ancillary support services.

  • We have successfully introduced Advanced Access to a full spectrum of health care organizations including traditional fee for service, capitated, mixed payer models, academic, private and public institutions.

  • We have led organizational efforts to redesign primary care, specialty care, and mental health, streamline urgent care, reorganize front and back office flows and developed teams capable of sustaining improvement in a wide variety of health care organizations.

  • We stay current in this ever changing field by incorporating the best and the brightest innovators from clinical practice to assist as key team members with every project.


We assist clients in:

  • Distinguishing themselves in the market place with world class access and service. 
  • Developing systems that offer patients an appointment today for any problem with their provider of choice.

  • Improving patient, physician and staff satisfaction. 
  • Successfully predicting demand for, and mobilizing supply of, services. 
  • Reducing no-show and cancellation rates. 
  • Decreasing over-utilization and creating capacity for growth. 
  • Developing metrics to track and sustain access and practice improvements. 
  • Creating solutions that cross complex organizational boundaries and link care for patients through all phases of care and treatment.


References are available upon request.

We would be delighted to discuss your specific needs with you. Please feel free to contact me personally, at your convenience.


Catherine Tantau
President, Tantau & Associates
P.O. Box 179 Chicago Park,
California 95712