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 Executive Committee

David Markenson, MD, President
Sami Diab, MD, President-elect
Debra Parsons, MD, FACP, Immediate Past President
Patrick Pevoto, MD, Treasurer
Cory Carroll, MD
Mark B. Johnson, MD
Brandi Ring, MD
Kim Warner, MD
Alfred Gilchrist, 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.

David Markenson, MD, President
​Sami Diab, MD, President-elect
Debra Parsons, MD, FACP, Immediate Past President
Curtis Hagedorn, MD
Patrick Pevoto, MD
Rocky White, MD 

CMS Finance Committee

David Markenson, MD, President
​Sami Diab, MD, President-elect
Debra Parsons, MD, FACP, Immediate Past President
Patrick Pevoto, MD, Treasurer
Jason Kelly, MD
Dean Holzkamp, CMS staff

Committee on Operational Planning

David Markenson, MD, President
Cory Carroll, MD
Rocky White, MD
Chet Seward, CMS staff

COMPAC (Colorado Medical Society Political Action Committee)

Christopher Unrein, DO (Chair)
Patrick Pevoto, MD (Vice-chair)
Kiara Blough
John O. “Jack” Cletcher, MD
Iris Burgard
Mark Johnson, MD
Taj Kattapurum, MD
Jibran Khan
Jan Kief, MD
Rachel Landin
Katie Lozano, MD, FACR
David Markenson, MD
Lee Morgan, MD
Tamaan Osbourne-Roberts, MD
Kurt Papenfus, MD
Lynn Parry, MD
Debra Parsons, MD, FACP
Stephen Sherick, MD
Donna Sullivan, MD
Michael Volz, MD
Patricia Weber, MD
William Wright, MD
M. Robert Yakely, MD
Susan Koontz, CMS staff

CMS-CPMG Governing Council

Kim Warner, MD (Chair)
Christopher Fellenz, MD
Shannon Jantz, MD
Eleanor Jensen, DO
Nora Reznickova, MD
Oscar Sanchez, MD
Alison Sandberg, MD
Ashley Wheeler, MD
Alfred Gilchrist, CMS staff
Dianna Fetter, CMS staff

CME In-House Advisory Function

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

Council on Ethical and Judicial Affairs (CEJA)

Lynn Parry, MD (Chair)
Paul Anderson, MD (Vice-chair)
Elizabeth Grace, MD
Clara Raquel Epstein, MD
Daniel Johnson, MD, special advisor
Katie Lozano, MD, FACR
Mark Levine, MD
Debra Parsons, MD, FACP
Sri Radha
Christopher Unrein, DO, FACOI, FACP, CMD
Matthew Wynia, MD, MPH, FACP, special advisor
M. Robert Yakely, MD
Susan Koontz, CMS staff
Emily Bishop, CMS staff
Dean Holzkamp, CMS staff

Council on Legislation (COL)

Alethia “Lee” Morgan, MD (Chair)
Kim Warner, MD (Vice Chair)
Deborah Archer
William Brandon
Cory Carroll, MD
Dave Downs, MD
Clara Raquel Epstein, MD
Kristin Freestone, MD
Gary Ghiselli, MD
Stuart Gottesfeld, MD
Enno Heuscher, MD
Nathaniel Hibbs, MD
Shannon Jantz, MD
Mark B. Johnson, MD
George Kalousek, MD
Taj Kattapuram, MD
F. Brent Keeler, MD
Alan Kimura, MD
Terrance L Lakin, DO, MPH
Rachel Landin
Steven Lowenstein, MD, MPH
David Markenson, MD
Jason Mayer, MD
Frederick M Miller, MD
Carla Murphy, DO
Todd Mydler, MD
Tamaan Osbourne-Roberts, MD
Stacy Parra, MD
Lynn Parry, MD
Debra Parsons, MD, FACP
Richard Penaloza, MD
Scott Replogle, MD
Ian Reynolds, MD
Brandi Ring, MD
Allison Sandberg, MD
Emily N. Schneider, MD
Luke Selby, MD
Stephen Sherick, MD
Donna Sullivan, MD
Lisa Swanson, MD
Kathleen “Kiki” Traylor, MD
Christopher Unrein, DO
Gary VanderArk, MD
Usha Varma, MD
Michael Volz, MD
Mary Wang
Bruce Waring, MD
M. Robert Yakely, MD
Susan Koontz, CMS staff
Emily Bishop, CMS staff

COL Scope of Practice workgroup

David Markenson, MD
Alethia “Lee” Morgan, MD
Mark B Johnson, MD
Taj Kattapuram, MD
Glenn Madrid, MD
Lynn Parry, MD
Susan Koontz, CMS staff
Emily Bishop, CMS staff

Nominating Committee

Mark B. Johnson, MD (Chair)
Aaron Jones, MSC
Brent Keeler, MD
Jeremy Lazarus, MD
Chris Linares, MD
Hap Young, MD
Dean Holzkamp, CMS staff

Committee on Physician Wellbeing

Martina Schulte, MD (Chair)
Clara Raquel Epstein, MD
Mark Fogg, JD
Doris Gundersen, MD
David Hutchison, MD
Andrew Kamel
F Brent Keeler, MD
Lela Mansoori, MD
Dianne McCallister, MD
William Neff, MD
Debra Parsons, MD, FACP
Patrick Pevoto, MD
Christie Reimer, MD
Deborah Saint-Phard, MD
​Oscar Sanchez, MD
Donna Sullivan, MD
Judy Toney, DO
Michael Victoroff, MD
Jennifer Wood, MD
Alison Yager, MD
Elizabeth Yoder, MD
Alfred Gilchrist, CMS staff
Dianna Fetter, CMS staff

Special Committee on Prescription Drug Abuse

John S Hughes, MD (Chair)
J. Scott Bainbridge, MD
John Clapp, MD
Sami Diab, MD
Tom Denberg, MD
Ken Finn, MD
Brian Flynn, MD
Gary Ghiselli, MD
Jan Gillespie, MD
Elizabeth Grace, MD
Andrew Hall, MD
Jason Hoppe, DO
Shannon Jantz, MD
Ellie Jensen, DO
Robin Johnson, MD
Stuart Kassan, MD
Rebecca Knight, MD
Tom Kurt, MD
Alan Lembitz, MD
Elizabeth Lowdermilk, MD
Richard May, MD
Cyrus Mirshab, MD
Kathryn Mueller, MD
Carla Murphy, MD
Erik Natkin, DO
Lee Newman, MD
Lynn Parry, MD
Jens Peter-Witt, MD
John Sacha, MD
Bob Sammons, MD
Donald Stader, MD
Chris Unrein, DO
Ben Vernon, MD
Steven Wright, MD
Chet Seward, CMS staff

Committee on Professional Education and Accreditation (CPEA)

Joel Dickerman, DO (Chair)
Brenda Bucklin, MD
Lynn Parry, MD
Patrick Pevoto, MD
Sharisse Rehring-Arnold, MD
Jason Tarno, DO
Kristin Wallick, MD
Gene Richer, CMS staff

Workers’ Compensation and Personal Injury Committee (WCPIC)

Greg Smith, DO (Chair)
Jan F Baumgardner, MD
J Tashof Bernton, MD
Andrew Castro, MD
Tom Denberg, MD
Rob Kawasaki, MD
Rick May, MD
James McLaughlin, MD
Kathryn Mueller, MD
Lynn Parry, MD
Joe Ramos, MD, JD
Michael Rauzzino, MD

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
Mike Campo, CMS staff

CMS Education Foundation

Jerry J Appelbaum, MD (Chair)
Jack L Berry, MD
Elinor T Christiansen, MD
Mark Deutchman, MD
William G Rainer Jr, MD
James R Regan, MD
David Ross, DO, FACEP
Mike Campo, CMS staff

WORKGROUPS

Health Care Cost and Quality Work Group

Jeff Donner, MD
Dave Downs, MD
Anne L Fuhlbrigge, MD
Jason Kelly, MD
Alan Kimura, MD
Elizabeth Lowdermilk, MD
Matthew Mahlberg, MD
Heidi Marlin, MD
David Mohlman, MD
Michael Moore, MD
Claire Murphy, MD
William Neff, MD
Tamaan Osbourne-Roberts, MD
Mike Pramenko, MD
Peter Ricci, MD
Al Steinmann, MD
Jamie Surovik, MD
Kim Warner, MD
Kelly Baldessari
John Milewski
Shawn Wotowey

Expert Panel on Professional Review

Jeffrey Bacon, MD
Scott Bentz, MD
James P. Borgstede, MD, FACR
Rachel M. Carpenter, MD
Keith Scott Dickerson, MD, MS
Matthew J. Fleishman, MD, FACR
Brian Harrington, MD, MPH
Jacqueline H. Jamison, MD
Adam Koszowski, MD
Randall Meachum, MD
Neal O'Connor, MD, FACEP
Lynn Parry, MD
Debra Parsons, MD
Surit Sharma, MD
Philip F. Stahel, MD, FACS
Darlene Tady, MD
Tony J. Toloczko. MD
Robert Yakely, MD
Gerald Zarlengo, MD