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

Michael Volz, MD, (Chair) 
Jan Kief, MD
Lee Morgan, MD 
Brigitta Robinson, MD
Dean Holzkamp, CMS staff

CMS Executive Committee

David Markenson, MD, MBA, President
Sami Diab, MD, President-elect
Debra Parsons, MD, FACP, Past President
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, MBA, President
Sami Diab, MD, President-elect
Debra Parsons, MD, MACP, Past President
Patrick Pevoto, MD, Treasurer
Curtis Hagedorn, MD 

CMS Finance Committee

David Markenson, MD, MBA, President
Sami Diab, MD, President-elect
Debra Parsons, MD, MACP, Past President 
Patrick Pevoto, MD, Treasurer (Chair)
Jason Kelly, MD
Dean Holzkamp, CMS staff

Committee on Operational Planning

Sami Diab, MD, President Elect (Chair)
Mark Johnson, MD 
Jason Kelly, MD 
Deb Parsons, MD, MACP
Brad Roberts, MD
Chet Seward, CMS staff

COMPAC (Colorado Medical Society Political Action Committee)

Christopher Unrein, DO (Chair) 
Patrick Pevoto, MD, Treasurer (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, MBA, President
Lee Morgan, MD
Edward Norman, MD
Tamaan Osbourne-Roberts, MD
Kurt Papenfus, MD
Lynn Parry, MD
Debra Parsons, MD, MACP, Past President
Stephen Sherick, MD 
Michael Volz, MD
Patricia Weber, MD
William Wright, MD
Susan Koontz, CMS staff
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
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
Elizabeth Lowdermilk, MD 
Katie Lozano, MD, FACR
Mark Levine, MD
Debra Parsons, MD, MACP, Past President 
Sri Radha
Christopher Unrein, DO, FACOI, FACP, CMD 
Matthew Wynia, MD, MPH, FACP, Special Advisor
Dean Holzkamp, CMS staff
Susan Koontz, CMS staff
Emily Bishop, CMS staff

Council on Legislation (COL)

Kim Warner, MD (Chair) 
Mark B. Johnson, MD (Vice Chair)
Deborah Archer, MD
Cory Carroll, MD
Dave Downs, MD
Clara Raquel Epstein, MD
Kristin Freestone, MD
Gary Ghiselli, MD
Stuart Gottesfeld, MD
Rachel Graham
Enno Heuscher, MD 
Nathaniel Hibbs, MD
Jeremy Huff, MD 
Shannon Jantz, MD 
George Kalousek, MD 
Taj Kattapuram, MD
F. Brent Keeler, MD
Alan Kimura, MD, MPH
Terrance L Lakin, DO, MPH
Rachel Landin
Steven Lowenstein, MD, MPH 
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
Scott Replogle, MD
Ian Reynolds, MD 
Brandi Ring, MD 
Allison Sandberg, MD 
Emily N. Schneider, MD
Stephen Sherick, MD 
Donna Sullivan, MD 
Lisa Swanson, MD
Michaela Thurston
Kathleen “Kiki” Traylor, MD
Christopher Unrein, DO
Gary VanderArk, MD
Usha Varma, MD
Michael Volz, MD
Bruce Waring, MD
Anna Weyand, MD
Susan Koontz, CMS staff
Emily Bishop, CMS staff

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
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 
Michael J Pramenko, 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, MACP, Past President
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 
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 
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
Sami Diab, MD, President-elect
Rob Kawasaki, MD
David Markenson, MD, MBA, President
Rick May, MD
James McLaughlin, MD
X.J Ethan Moses, MD, MPH, FACOEM
Kathryn Mueller, MD
Lynn Parry, MD
Deb Parsons, MD, MACP, Past President 
Joe Ramos, MD, JD
Michael Rauzzino, MD
Gary Zuehlsdorff, MD
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
Mike Campo, 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
Mike Campo, CMS staff

WORKGROUPS

Health Care Cost and Quality Work Group

Dave Downs, MD, (Chair) 
Raj Bazaz, MD
Jeff Donner, MD
Joseph M. Forrester, MD, FACP, FCCP
Anne L Fuhlbrigge, MD
Gary Ghiselli, MD
Jan Gillespie, MD
Jeremy Huff, MD
Jason Kelly, MD
Alan Kimura, MD, MPH
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
Amy Goodman, CMS staff
Chet Seward, CMS staff

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 MACP, Past President
Surit Sharma, MD
Philip F. Stahel, MD, FACS
Darlene Tady, MD
Tony J. Toloczko, MD
Gerald Zarlengo, MD
Chet Seward, CMS staff