About

The largest organization of physicians in Colorado, CMS champions health care issues that improve patient care, promote physician professional satisfaction and create healthier communities in Colorado.

The Colorado Medical Society is only as strong as its members. We thank all of our volunteer leaders for their participation on our councils and committees.

CMS Bylaws Committee

This committee periodically reviews the CMS Bylaws and makes recommendations to the CMS Board of Directors for updates.

Lee Morgan, MD (Chair)  
Jeremy Lazarus, MD (Vice-chair)  
Rachelle Klammer, MD  
David Markenson, MD  
Darlene Tad-y, MD  
Lynn Parry, MD  
Brigitta Robinson, MD  

Dean Holzkamp, CMS staff

CMS Executive Committee

The Executive Committee is composed of CMS elective leadership (president, president-elect and immediate past president) plus the chief executive officer.

Sami Diab, MD 
Mark Johnson, MD  
David Markenson, MD  
Brandi Ring, MD  
Kim Warner, MD  
Bryan Campbell, CEO, Ex Officio, non-voting

CEO Evaluation Committee

The CEO Evaluation Committee is composed of CMS elective leadership (president, president-elect and immediate past president) and at least two additional members of the board of directors that do not serve on either the Executive Committee or the Finance Committee and have had at least two years of service on the board of directors.

Sami Diab, MD (Chair) 
Mark Johnson, MD (Vice-chair)  
David Markenson, MD  
Kim Warner, MD  
Edward Norman, MD 

Dean Holzkamp, CMS staff

CMS Finance Committee

This committee reviews the CMS finances and makes recommendations to the CMS Board of Directors.

Patrick Pevoto, MD (Chair)  
Sami Diab, MD  
Mark Johnson, MD  
David Markenson, MD  
Hap Young, MD

Dean Holzkamp, CMS staff


Strategic Planning Committee

This committee meets 3-5 times in the summer or fall to prepare the annual CMS strategic plan.

Mark Johnson, MD (Chair)  
Brad Roberts, MD  
Leto Quarles, MD  
Lesley Brooks, MD  
Evan Manning, MD  
Danielle Coleman, MSC  
Jeremy Lazarus, MD

Chet Seward, CMS staff

COMPAC (Colorado Medical Society Political Action Committee)

COMPAC reviews all candidate endorsements, based on input by local physicians and the CMS Government Affairs division, and decides which candidates to endorse and at what level.

Patrick Pevoto, MD, Treasurer (Chair)
Iris Burgard, DO (Vice-Chair)
Eric Balaban, MD
David Beck, MD
John O. “Jack” Cletcher, MD
Sami Diab, MD
Mark Johnson, MD
Taj Kattapurum, MD
Jibran Khan
Rachel Landin, DO
Lucy Loomis, MD
Katie Lozano, MD, FACR 
David Markenson, MD, MBA
Lee Morgan, MD
Claire Murphy, MD
Edward Norman, MD
Lynn Parry, MD
Sean Pauzauskie, MD
Jim Regan, MD
Carol Stamm, MD
Christopher Unrein, DO
Michael Volz, MD
Kim Warner, MD
Patricia Weber, MD
William Wright, MD
Emily Bishop, CMS staff

CMS-CPMG Governing Council

Kim Warner, MD (Chair) 
Christopher Fellenz, MD
Shannon Jantz, MD
Eleanor Jensen, DO
Nora Reznickova, MD
Alison Sandberg, MD
Ashley Wheeler, MD
Bryan Campbell, CMS staff (lead)
Krystle Medford, CMS staff

CME In-House Advisory Function

Michael J Pramenko, MD (Chair)
Gene Richer, CMS staff

Council on Ethical and Judicial Affairs (CEJA)

This is an active committee that considers any issue under its jurisdiction, often by directive of the CMS Board of Directors.

Lynn Parry, MD (Chair)
Elizabeth Lowdermilk, MD (Vice-Chair)
Paul Anderson, MD 
Elizabeth Grace, MD
Clara Raquel Epstein, MD
Pauline Hoosepian-Mer
Katie Lozano, MD, FACR
Mark Levine, MD
Todd Mydler, MD
Debra Parsons, MD, MACP, Past President 
Christopher Unrein, DO, FACOI, FACP, CMD 
Matthew Wynia, MD, MPH, FACP, Special Advisor
Dean Holzkamp, CMS staff (lead)

Council on Legislation (COL)

This very active committee meets twice a month during the Colorado legislative session (January-May) to determine positions on bills under consideration by the legislature, and between meetings holds discussions and votes on a secure file-sharing platform.

Kim Warner, MD (Chair) 
Taj Kattapuram, MD (Vice Chair)
Deborah Archer, MD
Eric Balaban, MD
Scott Dhupar, MD
Dave Downs, MD
Clara Raquel Epstein, MD
Kristin Freestone, MD
Gary Ghiselli, MD
Rachel Graham
Enno Heuscher, MD 
Nathaniel Hibbs, MD
Jeremy Huff, MD 
Shannon Jantz, MD 
Mark B. Johnson, MD
George Kalousek, MD 
F. Brent Keeler, MD
Alan Kimura, MD, MPH
Terrance L Lakin, DO, MPH
Rachel Landin
Steven Lowenstein, MD, MPH 
Matt Manry, MD
David Markenson, MD, MBA, President
Jason Mayer, MD
Frederick M Miller, MD 
Lee Morgan, MD, CMS Appointee
Carla Murphy, DO
Todd Mydler, MD
Tamaan Osbourne-Roberts, MD
Stacy Parra, MD
Lynn Parry, MD
Debra Parsons, MD, MACP, Past President 
Richard Penaloza, MD
Ian Reynolds, MD 
Brandi Ring, MD 
Allison Sandberg, MD 
Emily N. Schneider, MD
Donna Sullivan, MD 
Lisa Swanson, MD
Darlene Tad-y, MD
Michaela Thurston
Kathleen “Kiki” Traylor, MD
Christopher Unrein, DO
Gary VanderArk, MD
Usha Varma, MD
Michael Volz, MD
Bruce Waring, MD
Emily Bishop, CMS staff (lead)

COL Scope of Practice workgroup

David Markenson, MD, MBA, President
Lee Morgan, MD 
Mark B Johnson, MD
Taj Kattapuram, MD
Glenn Madrid, MD
Lynn Parry, MD
Emily Bishop, CMS staff (lead)

Nominating Committee

This committee examines the process for nominating candidates for CMS leadership positions, encourages future leaders to apply, monitors the notification process for the call for nominations, and screens all nominees.

Bob Yakely, MD (Chair)   
Aaron Jones, MSC  
Brent Keeler, MD   
Jeremy Lazarus, MD   
Chris Linares, MD   
Michael J Pramenko, MD

Dean Holzkamp, CMS staff

Committee on Physician Wellbeing

This committee directs the activities of CMS that pertain to physician wellness and burnout prevention.

Deborah Saint-Phard, MD (Chair)  
Donna Sullivan, MD (Vice-chair)  
Michael Victoroff, MD  
Clara Raquel Epstein, MD  
Lucy Loomis, MD  
Marti Schulte, MD  
Deb Parsons, MD  
Dianne McCalister, MD  
Lise Barbour, MD    

Non-voting members:  
John Domeika (COPIC general counsel)  
Alison Cowan, MD
Grace Cheney, MD

Bryan Campbell, CMS staff

Special Committee on Prescription Drug Abuse

This committee directs the activities of CMS that pertain to prescription drug abuse, the opioid epidemic, and other related topics.

Shannon Jantz, MD (Chair)  
Jonathan Clapp, MD (Vice-chair)  
Ellie Jensen, DO  
John Hughes, MD  
Donald Stader, MD  
J. Scott Bainbridge, MD  
Elizabeth Lowdermilk, MD  
Ken Finn, MD  
Stephanie Stewart, MD 

Amy Goodman, CMS staff (lead)

Task Force on Committee Evaluation

Jeremy Lazarus, MD (Chair)
Mark Johnson, MD
Rachell Klammer, MD
Jacob Leary
Kay Lozano, MD
Robert Yakely, MD 
Bryan Campbell, CMS Staff (lead)
Dean Holzkamp, CMS Staff

Committee on Professional Education and Accreditation (CPEA)

This committee oversees CMS’s ACCME-Recognized Accreditor program.

Joel Dickerman, DO (Chair)   
Brenda Bucklin, MD  
Patrick Pevoto, MD  
Sharisse Rehring-Arnold, MD 
Kristin Wallick, MD

Gene Richer, CMS staff

Workers’ Compensation and Personal Injury Committee (WCPIC)

This committee directs the activities of CMS that pertain to workers’ compensation and any other personal injury-related issues.

Kathryn Mueller, MD (Chair)  
Lynn Parry, MD (Vice-chair)  
Greg Smith, DO  
X.J Ethan (James E.) Moses, MD, MPH, FACOEM   
Tom Denberg, MD   
Rob Kawasaki, MD   
Jashof Bernton, MD   
Gary Zuehlsdorff, DO

Amy Goodman, CMS staff

CMS Foundation

Gary VanderArk, MD (Chair) 
Jack L Berry, MD
John O Cletcher Jr, MD 
Dean Coddington 
Denise Denton
Mark Deutchman, MD 
Brenda Higgins 
Denny O’Malley 
Lowell Palmquist 
Robert B Sawyer, MD 
Edie Sonn
Dianna Fetter, CMS staff

CMS Education Foundation

Jerry J Appelbaum, MD (Chair)
Jack L Berry, MD
Elinor T Christiansen, MD
Mark Deutchman, MD
Dave Downs, MD, FACP
Mark Levine, MD
Patrick Pevoto, MD, RPh, MBA
William G Rainer Jr, MD
James R Regan, MD
David Ross, DO, FACEP
Dianna Fetter, CMS staff

Committee on Value in Health Care

This committee oversees CMS activities that relate to health care costs and quality, including prospective bills, rules and regulations, as well as other initiatives.

David Downs, MD (Chair)  
Joe Forrester, MD, (Vice-chair)  
Alan Kimura, MD, MPH  
Alwin Steinmann, MD  
Christina "Tina" Finlayson, MD   
Jan Gillespie, MD  
Kyle Leggott, MD 
Michael Pramenko, MD  
Darlene Tad-y, MD

Non-voting member:  
Reagan Anderson, MD 

Chet Seward, CMS staff