Christopher M. Callahan, MD
Professor of Medicine
Address
1101 West Tenth St.
Indianapolis , IN 46202
Indianapolis , IN 46202
Bio
Christopher Callahan, MD, is a geriatric medicine physician researcher with more than 30 years of experience in conducting research to improve the care of older adults. He is the founding Director of the Indiana University Center for Aging Research and served in this role for more than 20 years. He continues to provide clinical care for older adults at the Sandra Eskenazi Center for Brain Care Innovation at Eskenazi Health where he also serves as the Chief Research and Development Officer.
Titles & Appointments
- Professor of Medicine
- Chief Research and Development Officer, Eskenazi Health
- Investigator, Center for Aging Research, Regenstrief Institute, Inc.
- Director, Sandra Eskenazi Center for Brain Care Innovation
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Education1991 FEL Fellowship: Health Services Research, Indiana Unviersity School of Medicine, Indianapolis, IN1988 RES Residency: Internal Medicine, Baylor College of Medicine, Houston, TX1985 MD Saint Louis University1981 BA University of Missouri
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Research
Dr. Callahan's major research interest is improving the care of older adults with late life depression, dementia, and related conditions. His studies seek ways to enable primary care physicians to deliver excellent care to older adults.
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PublicationsCommunication Quality Predicts Psychological Well-Being and Satisfaction in Family Surrogates of Hospitalized Older Adults: An Observational Study.
Torke AM; Callahan CM; Sachs GA; Wocial LD; Helft PR; Monahan PO; Slaven JE; Montz K; Burke ES; Inger L; Journal of general internal medicine 2017 Nov 28Alzheimer's Disease: Individuals, Dyads, Communities, and Costs.
Callahan CM; Journal of the American Geriatrics Society 2017 May 5Adherence and Tolerability of Alzheimer's Disease Medications: A Pragmatic Randomized Trial.
Campbell NL; Perkins AJ; Gao S; Skaar TC; Li L; Hendrie HC; Fowler N; Callahan CM; Boustani MA; Journal of the American Geriatrics Society 2017 Mar 14Variation in Hospice Services by Location of Care: Nursing Home Versus Assisted Living Facility Versus Home.
Unroe KT; Bernard B; Stump TE; Tu W; Callahan CM; Journal of the American Geriatrics Society 2017 Mar 14Transitions From Skilled Nursing Facility to Home: The Relationship of Early Outpatient Care to Hospital Readmission.
Carnahan JL; Slaven JE; Callahan CM; Tu W; Torke AM; Journal of the American Medical Directors Association 2017 Jun 21Response to John E. Morley about "The Future Role of Geriatrics".
Callahan CM; Journal of the American Geriatrics Society 2017 Feb 8The Future Role of Geriatrics: Building Local Coalitions to Demonstrate Value.
Callahan CM; Journal of the American Geriatrics Society 2017 Feb 8Categorizing Health Outcomes and Efficacy of mHealth Apps for Persons With Cognitive Impairment: A Systematic Review.
Bateman DR; Srinivas B; Emmett TW; Schleyer TK; Holden RJ; Hendrie HC; Callahan CM; Journal of medical Internet research 2017 Aug 30Comparing Crowdsourcing and Friendsourcing: A Social Media-Based Feasibility Study to Support Alzheimer Disease Caregivers.
Bateman DR; Brady E; Wilkerson D; Yi EH; Karanam Y; Callahan CM; JMIR research protocols 2017 Apr 10Depression and Anxiety Screens as Simultaneous Predictors of 10-Year Incidence of Diabetes Mellitus in Older Adults in Primary Care.
Khambaty T; Callahan CM; Perkins AJ; Stewart JC; Journal of the American Geriatrics Society 2016 Sep 19Validation of the Family Inpatient Communication Survey.
Torke AM; Monahan P; Callahan CM; Helft PR; Sachs GA; Wocial LD; Slaven JE; Montz K; Inger L; Burke ES; Journal of pain and symptom management 2016 Oct 5Glucose level decline precedes dementia in elderly African Americans with diabetes.
Hendrie HC; Zheng M; Li W; Lane K; Ambuehl R; Purnell C; Unverzagt FW; Torke A; Balasubramanyam A; Callahan CM; Gao S; Alzheimer's & dementia : the journal of the Alzheimer's Association 2016 Oct 25Targeting Functional Decline in Alzheimer Disease: A Randomized Trial.
Callahan CM; Boustani MA; Schmid AA; LaMantia MA; Austrom MG; Miller DK; Gao S; Ferguson DY; Lane KA; Hendrie HC; Annals of internal medicine 2016 Nov 22The Family Navigator: A Pilot Intervention to Support Intensive Care Unit Family Surrogates.
Torke AM; Wocial LD; Johns SA; Sachs GA; Callahan CM; Bosslet GT; Slaven JE; Perkins SM; Hickman SE; Montz K; Burke ES; American journal of critical care : an official publication, American Association of Critical-Care Nurses 2016 NovDoes Body Mass Index Modify Memory, Reasoning, and Speed of Processing Training Effects in Older Adults.
Clark DO; Xu H; Callahan CM; Unverzagt FW; Obesity (Silver Spring, Md.) 2016 NovDepression and Anxiety Screens as Predictors of 8-Year Incidence of Myocardial Infarction and Stroke in Primary Care Patients.
Stewart JC; Hawkins MA; Khambaty T; Perkins AJ; Callahan CM; Psychosomatic medicine 2016 JunMarketing Geriatrics.
Kane RL; Callahan CM; Morley J; Pacala JT; Journal of the American Geriatrics Society 2016 JulEffect of Hospice Use on Costs of Care for Long-Stay Nursing Home Decedents.
Unroe KT; Sachs GA; Dennis ME; Hickman SE; Stump TE; Tu W; Callahan CM; Journal of the American Geriatrics Society 2016 Apr 5Sex and Race Differences in the Relationship between Obesity and C-Reactive Protein.
Clark DO; Unroe KT; Xu H; Keith NR; Callahan CM; Tu W; Ethnicity & disease 2016 Apr 21Controversies Regarding Comprehensive Chronic Care: Coordinated Care: The Drug-Free Wonder Drug.
Callahan CM; Journal of the American Geriatrics Society 2015 Sep 4Emergency Department Use Among Older Adults With Dementia.
LaMantia MA; Stump TE; Messina FC; Miller DK; Callahan CM; Alzheimer disease and associated disorders 2015 Oct 29Are There Differences in Treatment and Survival Between Poor, Older Black and White Women with Breast Cancer?
Aggarwal H; Callahan CM; Miller KD; Tu W; Loehrer PJ Sr; Journal of the American Geriatrics Society 2015 Oct 12Transitions in Care in a Nationally Representative Sample of Older Americans with Dementia.
Callahan CM; Tu W; Unroe KT; LaMantia MA; Stump TE; Clark DO; Journal of the American Geriatrics Society 2015 Jul 22Errors in self-reports of health services use: impact on Alzheimer disease clinical trial designs.
Callahan CM; Tu W; Stump TE; Clark DO; Unroe KT; Hendrie HC; Alzheimer disease and associated disorders 2015 JanComprehensive Gene- and Pathway-Based Analysis of Depressive Symptoms in Older Adults.
Nho K; Ramanan VK; Horgusluoglu E; Kim S; Inlow MH; Risacher SL; McDonald BC; Farlow MR; Foroud TM; Gao S; Callahan CM; Hendrie HC; Niculescu AB; Saykin AJ; Journal of Alzheimer's disease : JAD 2015 Feb 17Antidepressant Use in the Elderly Is Associated With an Increased Risk of Dementia.
Wang C; Gao S; Hendrie HC; Kesterson J; Campbell NL; Shekhar A; Callahan CM; Alzheimer disease and associated disorders 2015 Aug 19Hospice in the nursing home: perspectives of front line nursing home staff.
Unroe KT; Cagle JG; Dennis ME; Lane KA; Callahan CM; Miller SC; Journal of the American Medical Directors Association 2014 Sep 18Hospice use among nursing home and non-nursing home patients.
Unroe KT; Sachs GA; Dennis ME; Hickman SE; Stump TE; Tu W; Callahan CM; Journal of general internal medicine 2014 Nov 6Redefined blood pressure variability measure and its association with mortality in elderly primary care patients.
Gao S; Hendrie HC; Wang C; Stump TE; Stewart JC; Kesterson J; Clark DO; Callahan CM; Hypertension 2014 May 5Dementia: The complexities of comorbidity in dementia.
Callahan CM; Schubert CC; Nature reviews. Neurology 2014 Mar 18Scope and outcomes of surrogate decision making among hospitalized older adults.
Torke AM; Sachs GA; Helft PR; Montz K; Hui SL; Slaven JE; Callahan CM; JAMA internal medicine 2014 MarUse of a multiparty web based videoconference support group for family caregivers.
Austrom MG; Geros KN; Hemmerlein K; McGuire SM; Gao S; Brown SA; Callahan CM; Clark DO; Dementia (London, England) 2014 Jul 25Impact of Noncaregiving-Related Stressors on Informal Caregiver Outcomes.
Austrom MG; Lu YY; Perkins AJ; Boustani M; Callahan CM; Hendrie HC; American journal of Alzheimer's disease and other dementias 2014 Jan 9APOE e4 and the risk for Alzheimer disease and cognitive decline in African Americans and Yoruba.
Hendrie HC; Murrell J; Baiyewu O; Lane KA; Purnell C; Ogunniyi A; Unverzagt FW; Hall K; Callahan CM; Saykin AJ; Gureje O; Hake A; Foroud T; Gao S; International psychogeriatrics 2014 Feb 24Obesity and 10-year mortality in very old African Americans and Yoruba-Nigerians: exploring the obesity paradox.
Clark DO; Gao S; Lane KA; Callahan CM; Baiyewu O; Ogunniyi A; Hendrie HC; The journals of gerontology. Series A, Biological sciences and medical sciences 2014 Apr 2Translational research on aging: clinical epidemiology as a bridge between the sciences.
Callahan CM; Foroud T; Saykin AJ; Shekhar A; Hendrie HC; Translational research : the journal of laboratory and clinical medicine 2013 Sep 30Increase in blood pressure precedes clinical depression in elderly primary care patients.
Gao S; Hendrie HC; Yang L; Stump TE; Stewart JC; Kesterson J; Clark DO; Callahan CM; International journal of geriatric psychiatry 2013 OctHospital and nursing home use from 2002 to 2008 among U.S. older adults with cognitive impairment, not dementia in 2002.
Clark DO; Stump TE; Tu W; Miller DK; Langa KM; Unverzagt FW; Callahan CM; Alzheimer disease and associated disorders 2013 OctOptimal blood pressure for cognitive function: findings from an elderly African-American cohort study.
Liu H; Gao S; Hall KS; Unverzagt FW; Lane KA; Callahan CM; Hendrie HC; Journal of the American Geriatrics Society 2013 May 6Validity and reliability of the Self-Reported Physical Fitness (SRFit) survey.
Keith NR; Clark DO; Stump TE; Miller DK; Callahan CM; Journal of physical activity & health 2013 May 10Impact of dementia on payments for long-term and acute care in an elderly cohort.
Arling G; Tu W; Stump TE; Rosenman MB; Counsell SR; Callahan CM; Medical care 2013 JulComorbidity profile and healthcare utilization in elderly patients with serious mental illnesses.
Hendrie HC; Lindgren D; Hay DP; Lane KA; Gao S; Purnell C; Munger S; Smith F; Dickens J; Boustani MA; Callahan CM; The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry 2013 Feb 6Effect of collaborative care for depression on risk of cardiovascular events: data from the IMPACT randomized controlled trial.
Stewart JC; Perkins AJ; Callahan CM; Psychosomatic medicine 2013 Dec 23Depressive symptom clusters as predictors of incident coronary artery disease: a 15-year prospective study.
Hawkins MA; Callahan CM; Stump TE; Stewart JC; Psychosomatic medicine 2013 Dec 23Health outcomes and cost of care among older adults with schizophrenia: a 10-year study using medical records across the continuum of care.
Hendrie HC; Tu W; Tabbey R; Purnell CE; Ambuehl RJ; Callahan CM; The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry 2013 Apr 6Systematic review of non-pharmacologic interventions to delay functional decline in community-dwelling patients with dementia.
McLaren AN; Lamantia MA; Callahan CM; Aging & mental health 2013 Apr 23Hospice use among nursing home patients.
Unroe KT; Sachs GA; Hickman SE; Stump TE; Tu W; Callahan CM; Journal of the American Medical Directors Association 2012 Nov 20Transitions in care for older adults with and without dementia.
Callahan CM; Arling G; Tu W; Rosenman MB; Counsell SR; Stump TE; Hendrie HC; Journal of the American Geriatrics Society 2012 MayEnhancing care for hospitalized older adults with cognitive impairment: a randomized controlled trial.
Boustani MA; Campbell NL; Khan BA; Abernathy G; Zawahiri M; Campbell T; Tricker J; Hui SL; Buckley JD; Perkins AJ; Farber MO; Callahan CM; Journal of general internal medicine 2012 MayAlzheimer's disease multiple intervention trial (ADMIT): study protocol for a randomized controlled clinical trial.
Callahan CM; Boustani MA; Schmid AA; Austrom MG; Miller DK; Gao S; Morris CS; Vogel M; Hendrie HC; Trials 2012 Jun 27Communicating with clinicians: the experiences of surrogate decision-makers for hospitalized older adults.
Torke AM; Petronio S; Purnell CE; Sachs GA; Helft PR; Callahan CM; Journal of the American Geriatrics Society 2012 Aug 6Cognitive impairment: an independent predictor of excess mortality: a cohort study.
Sachs GA; Carter R; Holtz LR; Smith F; Stump TE; Tu W; Callahan CM; Annals of internal medicine 2011 Sep 6Implementing innovative models of dementia care: The Healthy Aging Brain Center.
Boustani MA; Sachs GA; Alder CA; Munger S; Schubert CC; Guerriero Austrom M; Hake AM; Unverzagt FW; Farlow M; Matthews BR; Perkins AJ; Beck RA; Callahan CM; Aging & mental health 2011 JanImplementing dementia care models in primary care settings: The Aging Brain Care Medical Home.
Callahan CM; Boustani MA; Weiner M; Beck RA; Livin LR; Kellams JJ; Willis DR; Hendrie HC; Aging & mental health 2011 JanRisk of coronary heart disease events over 15 years among older adults with depressive symptoms.
Brown JM; Stewart JC; Stump TE; Callahan CM; The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry 2011 AugSelecting a change and evaluating its impact on the performance of a complex adaptive health care delivery system.
Boustani MA; Munger S; Gulati R; Vogel M; Beck RA; Callahan CM; Clinical interventions in aging 2010 May 25Computerized decision support for medication dosing in renal insufficiency: a randomized, controlled trial.
Terrell KM; Perkins AJ; Hui SL; Callahan CM; Dexter PR; Miller DK; Annals of emergency medicine 2010 May 10Errors in completion of referrals among older urban adults in ambulatory care.
Weiner M; Perkins AJ; Callahan CM; Journal of evaluation in clinical practice 2010 FebComputerized decision support to reduce potentially inappropriate prescribing to older emergency department patients: a randomized, controlled trial.
Terrell KM; Perkins AJ; Dexter PR; Hui SL; Callahan CM; Miller DK; Journal of the American Geriatrics Society 2009 Jun 22Patients' attitudes of dementia screening across the Atlantic.
Justiss MD; Boustani M; Fox C; Katona C; Perkins AJ; Healey PJ; Sachs G; Hui S; Callahan CM; Hendrie HC; Scott E; International journal of geriatric psychiatry 2009 JunCardiovascular risk factors and incident Alzheimer disease: a systematic review of the literature.
Purnell C; Gao S; Callahan CM; Hendrie HC; Alzheimer disease and associated disorders 2009 JanCost analysis of the Geriatric Resources for Assessment and Care of Elders care management intervention.
Counsell SR; Callahan CM; Tu W; Stump TE; Arling GW; Journal of the American Geriatrics Society 2009 AugIntegrating care for older adults with cognitive impairment.
Callahan CM; Boustani M; Sachs GA; Hendrie HC; Current Alzheimer research 2009 AugHouse calls for seniors: building and sustaining a model of care for homebound seniors.
Beck RA; Arizmendi A; Purnell C; Fultz BA; Callahan CM; Journal of the American Geriatrics Society 2009 Apr 27The meaning and significance of self-management among socioeconomically vulnerable older adults.
Clark DO; Frankel RM; Morgan DL; Ricketts G; Bair MJ; Nyland KA; Callahan CM; The journals of gerontology. Series B, Psychological sciences and social sciences 2008 SepDefining the domain of geriatric medicine in an urban public health system affiliated with an academic medical center.
Callahan CM; Weiner M; Counsell SR; Journal of the American Geriatrics Society 2008 OctAcute care utilization by dementia caregivers within urban primary care practices.
Schubert CC; Boustani M; Callahan CM; Perkins AJ; Hui S; Hendrie HC; Journal of general internal medicine 2008 Aug 9Measuring primary care patients' attitudes about dementia screening.
Boustani M; Perkins AJ; Monahan P; Fox C; Watson L; Hopkins J; Fultz B; Hui S; Unverzagt FW; Callahan CM; Hendrie HC; International journal of geriatric psychiatry 2008 AugGeriatric care management for low-income seniors: a randomized controlled trial.
Counsell SR; Callahan CM; Clark DO; Tu W; Buttar AB; Stump TE; Ricketts GD; JAMA 2007 Dec 12Effectiveness of collaborative care for older adults with Alzheimer disease in primary care: a randomized controlled trial.
Callahan CM; Boustani MA; Unverzagt FW; Austrom MG; Damush TM; Perkins AJ; Fultz BA; Hui SL; Counsell SR; Hendrie HC; JAMA 2006 May 10Who refuses the diagnostic assessment for dementia in primary care?
Boustani M; Perkins AJ; Fox C; Unverzagt F; Austrom MG; Fultz B; Hui S; Callahan CM; Hendrie HC; International journal of geriatric psychiatry 2006 JunGeriatric Resources for Assessment and Care of Elders (GRACE): a new model of primary care for low-income seniors.
Counsell SR; Callahan CM; Buttar AB; Clark DO; Frank KI; Journal of the American Geriatrics Society 2006 JulComorbidity profile of dementia patients in primary care: are they sicker?
Schubert CC; Boustani M; Callahan CM; Perkins AJ; Carney CP; Fox C; Unverzagt F; Hui S; Hendrie HC; Journal of the American Geriatrics Society 2006 JanLimitation of a single clinical data source for measuring physicians' performance on quality indicators.
Weiner M; Quwatli Z; Perkins AJ; Lewis JN; Callahan CM; Journal of the American Geriatrics Society 2006 AugReliability and validity of a steadiness score.
Clark DO; Callahan CM; Counsell SR; Journal of the American Geriatrics Society 2005 SepHealth services use by older adults in an urban public health system.
Terrell KM; Chisholm CD; McGrath RB; Perkins AJ; Buttar AB; Callahan CM; The American journal of emergency medicine 2005 MarImplementing a screening and diagnosis program for dementia in primary care.
Boustani M; Callahan CM; Unverzagt FW; Austrom MG; Perkins AJ; Fultz BA; Hui SL; Hendrie HC; Journal of general internal medicine 2005 JulPursuing integration of performance measures into electronic medical records: beta-adrenergic receptor antagonist medications.
Weiner M; Stump TE; Callahan CM; Lewis JN; McDonald CJ; Quality & safety in health care 2005 AprFeeding tubes, slippery slopes, and physician-assisted suicide.
Orentlicher D; Callahan CM; The Journal of legal medicine 2004 Dec -
Board CertificationsAmerican Board of Internal Medicine - Internal MedicineAmerican Board of Internal Medicine - Geriatric Medicine
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Clinical Interests
Alzheimer's disease and related dementias
Late Life Depression
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AwardsOrg: American Geriatrics Society
Desc: Edward Henderson Award
Scope: National
Date:
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