
Minds for improving care. Hearts for helping people.

Meet the team.
At Oncology Care Partners, we’ve brought together a passionate team of professionals who are committed to providing the best possible patient journey in cancer care. They all share the desire to change the world for each and every patient, family and caregiver served by Oncology Care Partners.
Leadership Team

Erich Mounce
Chief Executive Officer

Joe Pietrzak
Chief Financial Officer

Erin Remmick
Senior Vice President, Operations

Chevon Rariy, MD
Chief Health Officer &
Senior VP of Digital Health

David Eagleton
Senior Vice President

David Wikaryasz
VP, Market Development
Patient Care Advisory Council

Sylvia Richey, MD
Chair Medical Oncologist, CMO & Director of Integrated Oncology, West Cancer Center

Carla Balch
CEO and Founder of Spesana

Robert Brooks, MD
Medical Oncologist, Medical Director of OCP Arizona Site

Ira Klein, MD
VP of Medical Affairs & Payer Relations, Tempus

Mark Nelson, Pharm.D.
Chief Executive Officer, Northwest Medical Specialties, PLLC
Board of Directors

Erich Mounce
Chief Executive Officer

David Caluori
General Partner, WCAS

Tracy Bahl
Managing Director, Valtruis

Anna Haghgooie
Managing Director, Valtruis

John Tam, MD
Chief Strategy Officer, Evolent Heath

Dan McCarthy
Chief Executive Officer, New Century Health
Oncology Care Partners provides value-based cancer care that includes more time with our community-based physicians, a dedicated advocate, clear and open communication and 24/7 connectivity. Our medical practice management services in oncology ensure high-touch, whole-person care for every patient.