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Marshall R. Thomas, MD


Contact Info:

Phone:  303-724-4985
EmailDr. Thomas

Clinical/Research Interests:
Dr. Thomas is interested in health services research and integrated care.

University of Texas (Austin)  BA  1972-1976

Baylor College of Medicine  MD  1976-1980

American Psychiatric Association, 1984-present  

Colorado Psychiatric Association, 1984-present

American Psychoanalytic Association, 1990-2005  

American Society of Clinical Psychopharmacology, 1990-2000

Board Examiner, American Board of Psychiatry and Neurology, 1995-present

Fellow, American Psychiatric Association, 1996

International Society for the Study of Bipolar Disorder, 2006-Present​

Selected Peer-Reviewed Publications:

1.     Barry CL, Thomas MR. Economic grand rounds: improving the quality of depression care in Medicaid. Psychiatr ServOct 2005;56(10):1193-1195.

2.     Dubovsky SL, Buzan R, Thomas M, Kassner C, Cullum CM. Nicardipine improves the antidepressant action of ECT but does not improve cognition. J EctMar 2001;17(1):3-10.

3.     Dubovsky SL, Thomas M. Psychotic depression: advances in conceptualization and treatment. Hosp Community PsychiatryDec 1992;43(12):1189-1198.

4.     Dubovsky SL, Thomas M. Beyond specificity: effects of serotonin and serotonergic treatments on psychobiological dysfunction. J Psychosom ResMay 1995;39(4):429-444.

5.     Dubovsky SL, Thomas M. Tardive dyskinesia associated with fluoxetine. Psychiatr ServSep 1996;47(9):991-993.

6.     Dubovsky SLM, Thomas MM. Approaches to the Treatment of Refractory Depression. Journal of Practical Psychiatry & Behavioral Health. 1996;2(1):14-22.

7.     Frances A, Thomas MR, Thompson TL, 2nd. A quadriplegic patient with borderline personality disorder. Hosp Community PsychiatryMay 1985;36(5):463-464, 474.

8.     Giese AA, Thomas MR. Dissociative symptoms in psychotic mood disorders: An example of symptom nonspecificity. Psychiatry: Interpersonal & Biological ProcessesSpring 1997;60(1):60.

9.     Kilbourne AM, McGinnis GF, Belnap BH, Klinkman M, Thomas M. The role of clinical information technology in depression care management. Adm Policy Ment Health. Jan 2006;33(1):54-64.

10.   Kilbourne AM, McGinnis GF, Belnap BH, Klinkman M, Thomas M. The role of clinical information technology in depression care management. Adm Policy Ment HealthJan 2006;33(1):54-64.

11.   Morris CD, Miklowitz DJ, Wisniewski SR, Giese AA, Thomas MR, Allen MH. Care satisfaction, hope, and life functioning among adults with bipolar disorder: data from the first 1000 participants in the Systematic Treatment Enhancement Program. Comprehensive Psychiatry2005;46(2):98-104.

12.   Schneck CD, Miklowitz DJ, Calabrese JR, et al. Phenomenology of rapid-cycling bipolar disorder: data from the first 500 participants in the Systematic Treatment Enhancement Program. Am J PsychiatryOct 2004;161(10):1902-1908.

13.   Schneck CD, Thomas MR, Gundersen D. Sexual side effects associated with valproate. J Clin PsychopharmacolOct 2002;22(5):532-534.

14.   Thomas MR, Dubovsky SL, Cox-Young B. Impact of external versus internal case managers on hospital utilization. Psychiatr Serv. Jun 1996;47(6):593-595.

15.   Thomas MR, Fryer GE, Rosenberg SA, Kassner C, Dubovsky SL, Shore JH. Examining the link between high-volume providers and shorter inpatient stays. Psychiatr ServNovember 1, 1997 1997;48(11):1396-1398.

16.   Thomas MR, Kassner CT, Fryer GE, Giese AA, Rosenberg SA, Dubovsky SL. Impact of shorter lengths of stay on status at discharge in bipolar mania. Ann Clin PsychiatrySep 1997;9(3):139-143.

17.   Thomas MR, Rosenberg SA, Giese AA, Fryer GE, Dubovsky SL, Shore JH. Shortening length of stay without increasing recidivism on a university- affiliated inpatient unit. Psychiatr Serv. September 1, 1996 1996;47(9):996-998.

18.   Thomas MR, Stoyva J, Rosenberg SA, et al. Selection bias in an inpatient outcomes monitoring project. Gen Hosp PsychiatryJan 1997;19(1):56-61.

19.   Thomas MR, Waxmonsky JA, Gabow PA, Flanders-McGinnis G, Socherman R, Rost K. Prevalence of Psychiatric Disorders and Costs of Care Among Adult Enrollees in a Medicaid HMO. Psychiatr ServNovember 1, 2005 2005;56(11):1394-1401.

20.   Thomas MR, Waxmonsky JA, McGinnis GF, Barry CL. Realigning clinical and economic incentives to support depression management within a medicaid population: the Colorado access experience. Adm Policy Ment HealthJan 2006;33(1):26-33.

21.   Thompson TL, 2nd, Thomas MR. Teaching psychiatry to primary care internists. Gen Hosp PsychiatryJul 1985;7(3):210-213.

22.   Thompson TL, 2nd, Thomas MR. Depression: medical interface with psychiatry and treatment advances. J Clin PsychiatryOct 1986;47 Suppl:31-38.

23.   Waxmonsky JA, Thomas MR, Miklowitz DJ, et al. Prevalence and correlates of tobacco use in bipolar disorder: data from the first 2000 participants in the Systematic Treatment Enhancement Program. General Hospital Psychiatry2005;27(5):321-328.

24.  Thomas, MR, Waxmonsky J, McGinnis MSPH GF, Barry CL: Making the Business Care for Depression Care Management within a Medicaid Population: The Colorado Access Experience. APMH  Vol 33(1) Jan 2006, 26-33


National Institute of Mental Health: R01 MH 079994-01 (Amy Kilbourne, Ph.D., MPH), 10/1/08-9/30/13 

Implementing Chronic Care Management for Bipolar Disorder. ($656,000)

This 5 year study will investigate the impact of tailoring the Life Goals Collaborative Care Program on implementation in community mental health centers.

Role: Site Principle Investigator


The Colorado Health Foundation, 12/08-12/11

 Promoting Resources for Integrated Care and Recovery ($750,684).

Role: Primary Investigator


National Cancer Institute: 3U01CA114604-03S2, 5/1/08-ongoing

Targeting Tobacco Cessation Interventions for Latinos/as with Depression. ($77,000)

This pilot study under a Community Network Partners Grant (Paula Espinoza, PI) will develop smoking cessation strategies for Latinos/as with depression served in primary care clinics.

  Role: Co-Investigator, Mentor


The Colorado Health Foundation, 7/08-7/11

Colorado Access/Health Care Policy and Finance Collaborative Care Management Pilot Program Grant:   ($1,800,000)

 Role: Primary Investigator



Caring for Colorado Foundation, 2003 – 2006

Marshall Thomas M.D., Principal Investigator

Colorado Partnership for Integrated Care- Integration of Diabetes and Depression Care Management in Federally Qualified Community Health Clinic.

The major goal of this project was to implement and demonstrate the economic sustainability of integrated depression and diabetes care management in a Federally Qualified Health Clinic (Pueblo Community Health Center). 

Dr. Thomas was the principal investigator on this project.


Robert Wood Johnson Foundation (045030), 2002 – 2006

Harold Pincus M.D., National Principal Investigator

Marshall Thomas M.D., Colorado Site Principal Investigator                                    

Depression in Primary Care: Linking Clinical and Systems Strategies

The major goal of this project was to demonstrate the feasibility and effectiveness of combining best practice treatment of depression in primary care with financial and non-financial incentives for changing systems of care.

Dr. Thomas was the Colorado site principal investigator on this project.


National Institute of Mental Health (NIMH), 9/1999 – 9/2005

The Systematic Treatment Enhancement Program for Bipolar Disorder (STEP) ($1,440,000)

Dr. Thomas was the principal investigator on this project.