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photo of Amol Karmarkar, PhD

Amol Karmarkar, PhD, OT

Assistant Professor

Division of Rehabilitation Sciences
University of Texas Medical Branch


Phone: (409) 772-9446

Lead Mentor

K. Ottenbacher, PhD, OTR

Research Areas

Health services research using administrative claims data for investigating utilization of rehabilitation services and associated outcomes

  • 2000 BS, Occupational Therapy, Government Medical College, Nagpur University, India
  • 2005 MS, Rehabilitation Science, University at Buffalo
  • 2009 PhD, Rehabilitation Science, University of Pittsburgh
  • 2013 MPH, Epidemiology, University of Texas Medical Branch

Research Funding

Grant #K01HD086290 4/15/16 - 3/31/21 National Center for Medical Rehabilitation Research at NICHD, NIH Comparing Access and Effectiveness of Post-Acute Care Settings among Medicare Beneficiaries Goal: Explore the variation in access to post-acute care settings in patients discharged from acute hospitals after stroke, lower extremity fracture, and lower extremity joint replacement. Role: PI

Grant# 90IF0071 (Ottenbacher) 10/01/14 - 09/30/17 National Institute on Disability, Independent Living and Rehabilitation Research, ACL Readmission and Disability Outcomes Related to Post Acute Care Goal: Examine hospital readmission for persons in high volume, high cost impairment groups who receive post-acute care services including inpatient rehabilitation, skilled nursing facilities, and care from home health agencies. Role: Co-Investigator

Grant# R01 HD069443 (Ottenbacher) 07/05/12 - 04/30/18 National Center for Medical Rehabilitation Research (NCMRR), National Institutes of Health (NIH) Hospital Readmission and Inpatient Medical Rehabilitation Goal: Examine rates and reasons for hospital readmission in high volume and high cost patients, such as those with stroke or hip fracture, who receive inpatient medical rehabilitation Role: Co-Investigator

Grant# K12 HD055929 (Ottenbacher) 09/25/07 - 08/31/17 National Center for Medical Rehabilitation Research at NICHD, NIH, DHHS Rehabilitation Research Career Development Program Goal: Recruit and train junior faculty in rehabilitation research Role: Scholar (2014-present)

Grant# P2CHD065702 (Ottenbacher) 09/08/15 - 06/30/20 National Center for Medical Rehabilitation Research at NICHD, NIH Center for Large Data Research and Data Sharing in Rehabilitation Goal: To build research capacity in rehabilitation and disability outcomes research through the use Role: Co-Investigator

Grant# R24 HD065702 (Ottenbacher) 07/03/10 - 05/31/15 National Center for Medical Rehabilitation Research at NICHD, NIH Center for Rehabilitation Research using Large Datasets Goal: Provide training and funding opportunities in the use of large administrative and research datasets, in order to increase the quantity and quality of rehabilitation research. Role: Co-Investigator (2010-2015)

Grant# P30-AG024832 (Volpi) 06/15/15 - 04/30/16 National Institute on Aging (NIA), NIH, DHHS UTMB Claude Pepper Older Americans Independence Center Goal: Risk of Hospital Readmission in Patients after Hip Fracture with Sarcopenia. Role: Pilot PI

Publications (past 5 years)

Kumar A, Graham JE, Resnik L, Karmarkar AM, Tan A, et al. Comparing Comorbidity Indices to Predict Post- Acute Rehabilitation Outcomes in Older Adults. Am J Phys Med Rehabil. 2016 Dec;95(12):889-898. PMCID: PMC5097024.

Lewis ZH, Hay CC, Graham JE, Lin YL, Karmarkar AM, et al. Social Support and Actual Versus Expected Length of Stay in Inpatient Rehabilitation Facilities. Arch Phys Med Rehabil. 2016 Dec;97(12):2068- 2075. PMCID: PMC5124404.

Kumar A, Karmarkar AM, Graham JE, Resnik L, Tan A, et al. Comorbidity Indices Versus Function as Potential Predictors of 30-Day Readmission in Older Patients Following Postacute Rehabilitation. J Gerontol A Biol Sci Med Sci. 2016 Aug 4.

Graham JE, Prvu Bettger J, Fisher SR, Karmarkar AM, Kumar A, et al. Duration to Admission and Hospital Transfers Affect Facility Rankings from the Postacute 30-Day Rehospitalization Quality Measure. Health Serv Res. 2016 Jun 28.

Kumar A, Graham JE, Resnik L, Karmarkar AM, Deutsch A, et al. Examining the Association Between Comorbidity Indexes and Functional Status in Hospitalized Medicare Fee-for-Service Beneficiaries. Phys Ther. 2016 Feb;96(2):232-40.

Galloway RV, Karmarkar AM, Graham JE, Tan A, Raji M, et al. Hospital Readmission Following Discharge From Inpatient Rehabilitation for Older Adults With Debility. Phys Ther. 2016 Feb;96(2):241-51. PMCID: PMC4752681.

Reistetter TA, Kuo YF, Karmarkar AM, Eschbach K, Teppala S, et al. Geographic and facility variation in inpatient stroke rehabilitation: multilevel analysis of functional status. Arch Phys Med Rehabil. 2015 Jul;96(7):1248-54. Central PMCID: PMC4599713.

Kumar A, Karmarkar AM, Tan A, Graham JE, Arcari CM, et al. The effect of obesity on incidence of disability and mortality in Mexicans aged 50 years and older. Salud Publica Mex. 2015;57 Suppl 1:S31-8. PMCID: PMC4503366.

Wang CY, Graham JE, Karmarkar AM, Reistetter TA, Protas EJ, et al. FIM motor scores for classifying community discharge after inpatient rehabilitation for hip fracture. PM R. 2014 Jun;6(6):493-7. PMCID: PMC4065818.

Bindawas SM, Graham JE, Karmarkar AM, Chen NW, Granger CV, et al. Trajectories in functional recovery for patients receiving inpatient rehabilitation for unilateral hip or knee replacement. Arch Gerontol Geriatr. 2014 May-Jun;58(3):344-9. PMCID: PMC3949164.

Graham JE, Granger CV, Karmarkar AM, Deutsch A, Niewczyk P, et al. The Uniform Data System for Medical Rehabilitation: report of follow-up information on patients discharged from inpatient rehabilitation programs in 2002-2010. Am J Phys Med Rehabil. 2014 Mar;93(3):231-44. PMCID: PMC3944381.

Reistetter TA, Karmarkar AM, Graham JE, Eschbach K, Kuo YF, et al. Regional variation in stroke rehabilitation outcomes. Arch Phys Med Rehabil. 2014 Jan;95(1):29-38. PMCID: PMC4006274.

Karmarkar AM, Graham JE, Reistetter TA, Kumar A, Mix JM, et al. Association between Functional Severity and Amputation Type with Rehabilitation Outcomes in Patients with Lower Limb Amputation. Rehabil Res Pract. 2014;2014:961798. PMCID: PMC4221898.

Kumar A, Schmeler MR, Karmarkar AM, Collins DM, Cooper R, et al. Test-retest reliability of the functional mobility assessment (FMA): a pilot study. Disabil Rehabil Assist Technol. 2013 May;8(3):213-9.

Graham JE, Deutsch A, O'Connell AA, Karmarkar AM, Granger CV, et al. Inpatient rehabilitation volume and functional outcomes in stroke, lower extremity fracture, and lower extremity joint replacement. Med Care. 2013 May;51(5):404-12. PMCID: PMC3625251.

Ahmed I, Graham JE, Karmarkar AM, Granger CV, Ottenbacher KJ. In-patient rehabilitation outcomes following lower extremity fracture in patients with pneumonia. Respir Care. 2013 Apr;58(4):601-6. PMCID: PMC3570602.

Galloway RV, Granger CV, Karmarkar AM, Graham JE, Deutsch A, et al. The Uniform Data System for Medical Rehabilitation: report of patients with debility discharged from inpatient rehabilitation programs in 2000- 2010. Am J Phys Med Rehabil. 2013 Jan;92(1):14-27. PMCID: PMC3652310.

Karmarkar AM, Dicianno BE, Graham JE, Cooper R, Kelleher A, et al. Factors associated with provision of wheelchairs in older adults. Assist Technol. 2012 Fall;24(3):155-67.

Graham JE, Karmarkar AM, Ottenbacher KJ. Small sample research designs for evidence-based rehabilitation: issues and methods. Arch Phys Med Rehabil. 2012 Aug;93(8 Suppl):S111-6. PMCID: PMC3413737.

Granger CV, Karmarkar AM, Graham JE, Deutsch A, Niewczyk P, et al. The uniform data system for medical rehabilitation: report of patients with traumatic spinal cord injury discharged from rehabilitation programs in 2002-2010. Am J Phys Med Rehabil. 2012 Apr;91(4):289-99. PMCID: PMC3392040.

Kumar A, Karmarkar AM, Collins DM, Souza A, Oyster ML, et al. Pilot study for quantifying driving characteristics during power wheelchair soccer. J Rehabil Res Dev. 2012;49(1):75-82.

Oyster ML, Karmarkar AM, Patrick M, Read MS, Nicolini L, et al. Investigation of factors associated with manual wheelchair mobility in persons with spinal cord injury. Arch Phys Med Rehabil. 2011 Mar;92(3):484-90.

Karmarkar AM, Dicianno BE, Cooper R, Collins DM, Matthews JT, et al. Demographic profile of older adults using wheeled mobility devices. J Aging Res. 2011;2011:560358. PMCID: PMC3124894.

Karmarkar AM, Cooper RA, Wang H, Kelleher A, Cooper R. Analyzing wheelchair mobility patterns of community-dwelling older adults. J Rehabil Res Dev. 2011;48(9):1077-86.

Karmarkar AM, Collins DM, Kelleher A, Ding D, Oyster M, et al. Manual wheelchair-related mobility characteristics of older adults in nursing homes. Disabil Rehabil Assist Technol. 2010;5(6):428-37

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