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Management Company

Managed Care Systems, LLC, better known as MCS, provides administrative services for over 50,000 covered managed care lives in Kern County.  The company has provided administrative services for GEMCare since 1992.  These administrative services include the areas of utilization review, claims processing, provider credentialing, member and provider services, marketing and communications, accounting, and contracting.

MCS Administration

  • Brent Boyd - Chief Executive Officer
  • Alan Avery - Chief Operations Officer
  • Stephan Bass, MD - Chief Medical Officer
  • Albert Hahn, MD - Senior Medical Officer
  • Glenn Singer, MD - Senior Medical Officer
  • Jeff Mihal - Chief Financial Officer


Corporate Offices


4550 California Avenue, Suite 500

Bakersfield, California 93309

(661) 716-7100





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