Senior Leadership Team
-
Wojtek Nowak, MS, MHA
Chief Executive Officer
-
Delfino Flores
Chief Information Officer
-
Mark Sockell, MD
Chief Medical Officer
-
J. David Andrew, MD
UM Medical Director
-
Cathy Prosser
Chief Operating Officer
-
Linda J. Chotkevys
Chief Administrative Officer
-
Beth Mohr
Chief Financial Officer

Wojtek Nowak, MS, MHA
he/him/his
Chief Executive Officer
Wojtek Nowak, MS, MHA, is the Chief Executive Officer for Meritage Medical Network. Mr. Nowak joined Meritage in January of 2016. He brings over 20 years of broad healthcare management experience, encompassing: finance, operations, contracting as well as strategy and business development. He has worked successfully with Medical Groups, IPAs, and large integrated healthcare systems in both southern and northern California.
Prior to Meritage, Mr. Nowak worked with Sutter Health as Chief Financial Officer for East Bay Medical Foundation and Sutter Bay Division Revenue Cycle Leader.
Mr. Nowak earned graduate-level business degrees from the University of Economics in Katowice, Poland and the University of Southern California in Los Angeles, CA.
Prior to Meritage, Mr. Nowak worked with Sutter Health as Chief Financial Officer for East Bay Medical Foundation and Sutter Bay Division Revenue Cycle Leader.
Mr. Nowak earned graduate-level business degrees from the University of Economics in Katowice, Poland and the University of Southern California in Los Angeles, CA.

Delfino Flores
he/him/his
Chief Information Officer
Delfino Flores, MBA holds the position of Chief Information Officer (CIO) at Meritage Medical Network, joining the organization in November 2022. With over 16 years of extensive experience in healthcare Information technology leadership, Mr. Flores has expertise in various areas such as clinical informatics, IT operations, analytics, information security, regulatory and compliance, clinical and financial applications management, as well as IT strategy and planning. He actively contributes to the field of healthcare Information technology and previously held the position of President for the West Texas HIMSS chapter. Additionally, Mr. Flores is a member of the American College of Healthcare Executives and the College of Healthcare Information Management Executives.
Before joining Meritage, Mr. Flores served as the US Director of Clinical Informatics at Babylon Health and as the IT Director of Clinical Informatics at UMC Health System in Lubbock, TX. Additionally, he served as a corporate Director of Advanced Clinical Practice at Methodist Healthcare System - HCA in San Antonio, TX.
Before joining Meritage, Mr. Flores served as the US Director of Clinical Informatics at Babylon Health and as the IT Director of Clinical Informatics at UMC Health System in Lubbock, TX. Additionally, he served as a corporate Director of Advanced Clinical Practice at Methodist Healthcare System - HCA in San Antonio, TX.

Mark Sockell, MD
he/him/his
Chief Medical Officer
Mark Sockell is the Chief Medical Officer (CMO) for Meritage Medical Network. Dr. Sockell is a practicing internist and geriatrician in Novato. He joined Meritage as a physician leader in 2014 and became CMO in 2016. As CMO, Dr. Sockell works with Meritage physicians and administrative leadership on improving quality, documentation, and developing clinical programs to improve patient care.
Prior to Meritage Dr. Sockell spent much of his career in medical education and managing safety net clinics at St. Mary’s Medical Center in San Francisco and Valley Medical Center in San Jose. As Director of Education at St. Mary's Medical Center he founded and directed the Inpatient Hospitalist program. Dr. Sockell earned his Medical Degree from the University of California, San Francisco. He then completed his Internship at the Boston VA, Jamaica Plains Boston, MA, and his Residency at the University of California, San Francisco.
Prior to Meritage Dr. Sockell spent much of his career in medical education and managing safety net clinics at St. Mary’s Medical Center in San Francisco and Valley Medical Center in San Jose. As Director of Education at St. Mary's Medical Center he founded and directed the Inpatient Hospitalist program. Dr. Sockell earned his Medical Degree from the University of California, San Francisco. He then completed his Internship at the Boston VA, Jamaica Plains Boston, MA, and his Residency at the University of California, San Francisco.

J. David Andrew, MD
he/him/his
UM Medical Director
Dr. J. David Andrew is the Medical Director for Meritage Medical Network. Dr. Andrew joined Meritage over twenty years ago, and has held the position of Medical Director for many of those years. His leadership and guidance has been instrumental in company growth and success. Dr. Andrew specializes in family medicine, and has over forty years of experience in his field.
Prior to Meritage, Dr. Andrew served as Medical Director for Ross Valley Medical Clinic from 1984 – 1989. He has been an active staff member with Marin General Hospital since 1977, and received recognition for his outstanding achievements when Marin Magazine awarded him Top Doctor in 2014.
Dr. Andrew earned his medical degree from Dalhousie University, in Canada, and completed his Internship with St. Paul’s Hospital, University of British Columbia, in Vancouver.
Prior to Meritage, Dr. Andrew served as Medical Director for Ross Valley Medical Clinic from 1984 – 1989. He has been an active staff member with Marin General Hospital since 1977, and received recognition for his outstanding achievements when Marin Magazine awarded him Top Doctor in 2014.
Dr. Andrew earned his medical degree from Dalhousie University, in Canada, and completed his Internship with St. Paul’s Hospital, University of British Columbia, in Vancouver.

Cathy Prosser
she/her/hers
Chief Operating Officer
Cathy Prosser is the Chief Operating Officer for Meritage Medical Network joining Meritage in 2021. She has over 25 years of leadership experience in Healthcare, having worked for Medical Groups, Foundations, and a large integrated delivery system in Northern California. Cathy has three decades of experience in Managed Care, Revenue Cycle, and Practice Management. As Chief Operating Officer, she has oversite for all operational aspects of the organization, including Clinical Programs, Claims, Call Center, Eligibility, Credentialing, Analytics, and Performance Improvement.

Linda J. Chotkevys
She/her/hers
Chief Administrative Officer
Linda J. Chotkevys is the Chief Administrative Officer for Meritage Medical Network, having joined Meritage in 2014. She has responsibility for Human Resources, Compliance, Risk Management, Facilities, Safety, Security, and Internal Communications. She has over 25 years of senior leadership experience in Healthcare related organizations, having consulted with and worked for Medical Groups, large integrated healthcare delivery systems, foundations, bio-medical research facilities and now, an independent physician association. In addition to her current areas of responsibility, Ms. Chotkevys previously served as an affirmative action officer and director for employee health services and an Employee Assistance Program, with a behavioral health emphasis. Ms. Chotkevys has a bachelor’s degree in Organizational Psychology, with a minor in Business, from San Diego State University and has completed post-baccalaureate coursework and studies in psychology and business.

Beth Mohr
she/her/hers
Chief Financial Officer
Beth Mohr is the Chief Financial Officer for Meritage Medical Network. Ms. Mohr joined Meritage in 2020 and has over 20 years of senior healthcare financial management experience in large integrated healthcare systems and management service organizations in both southern and northern California and Nebraska.
Prior to Meritage, Ms. Mohr was Divisional Vice President of Finance at CHI Health.
Ms. Mohr earned a bachelor’s degree in Business Administration, Accounting and Management from Union College and holds a California CPA license, inactive.
Prior to Meritage, Ms. Mohr was Divisional Vice President of Finance at CHI Health.
Ms. Mohr earned a bachelor’s degree in Business Administration, Accounting and Management from Union College and holds a California CPA license, inactive.