Office of the CMO

The medical directors at Partnership HealthPlan of California are responsible for rendering clinical judgment in the areas of medical necessity for utilization management, grievances and appeals, quality incentive programs, potential quality issues, and health plan policies and procedures. They are experienced primary care physicians, board certified in either pediatrics, internal medicine or family medicine. 

From the Desk of the CMO

Access newsletters and meeting information developed by Dr. Robert Moore and his team.  


Partnership Primary Care Blog



Partnership Symposium - PCP Medical and Quality Leadership Orientation

PCP medical and quality leadership orientation for PCPs in Partnership’s new counties.

November 2023 Detailed Notes

Tribal Health Engagement

With the support of the California Rural Indian Health Board, Partnership invited 18 Tribal Health Clinics and three Mental Health and Substance Use Disorder treatment facilities to an all-day engagement in Sacramento on
October 16, 2023 in efforts to better the health outcomes of tribal community members. There, tribal health topics and program offerings affecting tribal organizations and members were discussed. The event concluded with a guest speaker, Ms. April Kyle, President and CEO of the renowned Southcentral Foundation, presenting The Nuka System of Care and their journey to improving the quality of health care and lives for Alaskan Natives. The Southcentral Foundation is the only tribal health clinic to-date to win the prestigious Malcolm Baldridge Award for Quality, twice. 

Partnership HealthPlan Presentation

Southcentral Foundation - Nuka System of Care

Engagement Packet Materials

Tribal Health Engagement Meeting Minutes

Spring Regional Medical Directors Forum

New programs · Major Partnership and state policy ·
COVID-19 and vaccinations policy · Medi-Cal Rx · Mental health and substance use disorder treatment · Data review (opioid use, vaccination, readmission, and equity) · PCP-QIP changes · Future quality measures

March 30, 2023 - Fairfield

Detailed notes Leaders | Clinicians PowerPoint

April 7, 2023 - Redding

Detailed notes Leaders | Clinicians PowerPoint

April 14, 2023 - Ukiah

Detailed notes Leaders | Clinicians & PowerPoint

April 21, 2023 - Eureka

Detailed notes Leaders | Clinicians & PowerPoint

County Profiles

Events and Webinars

Stay up to date on the latest events and webinars offered by Partnership.

February 12, 2024 Shuttering of Maternity Care Centers in Northern California:

Understanding underlying causes of the accelerating closures of maternity care and delivery services in and out of the hospital, while exploring solutions to build safe and equitable access to care.

Evaluation - Complete the evaluation ONLY if you attended the event on February 12, 2024 to receive the CME/CE. Please complete evaluation no later than March 25, 2024. 



Optimizing the Configuration of the Electronic Health Record for Quality: 2023 Update

For many measures of quality, performance may be improved through the structure and configuration of the electronic medical record (EMR) system. Partnership HealthPlan of California has released the fourth edition of “Best Practices for EMR Configuration: Meeting New Quality Requirements” with several changes from the 2022 edition.

The Light Under the Door: Anxiety

In light of the recent U.S. Preventive Services Task Force recommendation for the routine screening for anxiety disorders, Partnership invites you to attend this webinar that will review the key components of detection, evaluation, and management of anxiety disorders.

Fentanyl: An old drug creating new problems Understanding the pharmacology, debunking the myths, and considering the treatment options 

Illicit fentanyl and other high potency synthetic opioids (F/HPSO) are a growing public health concern, and are largely responsible for an increasing number of overdose and poisoning deaths in the United States. While F/HPSO are not new, our understanding of F/HPSO is incomplete, and clinical experience has outpaced research.

Contingency Management for Treating Stimulate Use Disorder: Theories, Principles, and Practice

The information contained in the accompanying link represents the medical knowledge and research of Thomas E. Freese, Ph.D, Director, UCLA Integrated Substance Abuse Programs/Adjunct Professor, Dept. of Psychiatry, David Geffen School of Medicine at UCLA. The appearance of Contingency Management for Treating Stimulate Use Disorder: Theories, Principles, and Practice Vimeo video on Partnership’s website does not constitute an endorsement by UCLA or its affiliates, the Opioid Response Network, and Pacific Southwest ATTC. No continuing education credit will be offered for viewing this video.

Medical Directors

The Partnership medical directors are proud of their role in promoting access to high-quality health care for the Medi-Cal population in Partnership's 14 counties. The medical directors are responsive to inquiries from our clinician network, pro-active in addressing quality and systems issues they encounter, and logical and rational in their approach to complex medical scenarios.

Chief Medical Officer:

Robert Moore, MD MPH MBA, Family Medicine

Regional Medical Directors:

Northern Region (Del Norte, Humboldt, Lassen, Modoc, Shasta, Siskiyou, Tehama, and Trinity): 
Jeff Ribordy, MD MPH, Pediatrics

Southeast Region (Napa, Solano, and Yolo): 
Colleen Townsend, MD, Family Medicine

Southwest Region (Lake, Marin, Mendocino, Sonoma):
Marshall Kubota, MD, Family Medicine

Eastern Region (Butte, Colusa, Glenn, Nevada, Placer, Plumas, Sierra, Sutter, and Yuba): 
R. Douglas Matthews, MD, Gastroenterology

Medical Director for Quality:

Mark Netherda, MD, Family Medicine

Associate Medical Directors:

Aaron Thornton, MD, MBA, Internal Medicine

Bettina Spiller, MD, Family Medicine

Bradley Cox, DO, Family Medicine

David Katz, MD, Family Medicine 

James Cotter, MD MPH, Family Medicine 

Mark Glickstein, MD, Internal Medicine 

Teresa Frankovich, MD MPH, Pediatrics 


Access resources Partnership medical directors find valuable for providers.