Contact Tethys

  • Tethys Health Ventures
  • 4 North Park Drive
  • Suite 104
  • Hunt Valley, MD 21030

  • Phone: (410) 771-0692
  • Fax: (410) 771-0696
  • Email:


Tethys Health Ventures was founded by executives with extensive experience in managed care, risk management, network management, government program eligibility, and care management. Tethys is privately held by our management team with corporate headquarters in Hunt Valley, Maryland and a regional office in Shelton, Connecticut.

The Tethys Vision

  • Regularize and reduce risk for our MCO clients
  • Provide superior care management for our members
  • Link our members with an array of government programs

Our Focus Is Service

The Tethys difference lies in the exceptional skill and experience of our employees. Tethys is in business to serve our clients for the long term. We are committed to building strong, lasting relationships. All service areas from Case Management through Claims Processing to Government Program Advocacy are interconnected and our employees are cross trained to assist in each area. We recognize the importance of quality administration and friendly service. Tethys has the right mix of professional, caring staff and advanced data systems to help manage your healthcare cost. Our success will be measured by your satisfaction.