Our Team

Our management team has over 100 years of combined experience in leadership, management, revenue cycle and technology experience.

We are a service centered company where hard work and a positive approach is expected of everyone. The right way is not always the easy way, but we do whatever it takes to get the job done. In addition to a great management team, our staff works intelligently to ensure the most efficient results for partner organizations.

With California Medical Business Services on your team, we will work together to solve your medical practice management needs.

Jessica Montgomery

Jessica Montgomery

MBA/HCM, RT (R) (M)

Chief Executive Officer

Laura Tierney

Laura Tierney

Chief Financial Officer

Michele Arvin

Michele Arvin

Chief Operations Officer

Stephanie Hatton

Stephanie Hatton

Director, Revenue Cycle

Rebecca Ornelas

Rebecca Ornelas

Director, Accounting

Luz Chaidez

Luz Chaidez

Director, Human Resources

Howard Yang

Howard Yang

Director, IT

Marc Behun

Marc Behun

Director, Integration

Beth Filip

Beth Filip

Director, Quality & Compliance

Veronica Grigolla

Veronica Grigolla

Director, Physician Liaisons

Annabelle De La O

Annabelle De La O

Director, Service Center

Sheri Ornelas

Sheri Ornelas

Manager, Administrative Operations

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