Scholar Bios


J. Addie Middleton, PhD, DPT

Assistant Professor

Division of Physical Therapy
Medical University of South Carolina

Phone: 843-792-0235

Lead Mentors
K. Ottenbacher, PhD, OTR

Research Areas

Rehabilitation outcomes


  • 2003 BA, Economics, University of North Carolina
  • 2007 DPT, Physical Therapy, University of South Carolina
  • 2015 PhD, Exercise Science, University of South Carolina
  • 2016 Postdoc, Rehabilitation Sciences, University of Texas Medical Branch

Current Research Funding

Grant# N/A (Middleton) 07/01/17 - 06/30/19 Center on Health Services Training and Research: Faculty fellowship. Goal: Support research in health services.

Recent Publications

Middleton A, Kuo YF, Graham JE, Karmarkar A, Lin YL, Goodwin JS, Haas A, Ottenbacher KJ. Readmission Patterns Over 90-Day Episodes of Care Among Medicare Fee-for-Service Beneficiaries Discharged to Post-acute Care. J Am Med Dir Assoc. 2018 Apr 21. pii: S1525-8610(18)30130-0. [Epub ahead of print]

Goodwin JS, Li S, Middleton A, Ottenbacher K, Kuo YF. Differences between Skilled Nursing Facilities in Risk of Subsequent Long-Term Care Placement. J Am Geriatr Soc. 2018 Apr 14. [Epub ahead of print]

Fisher SR, Middleton A, Graham JE, Ottenbacher KJ. Same But Different: FIM Summary Scores May Mask Variability in Physical Functioning Profiles. Arch Phys Med Rehabil. 2018 Feb 8. pii: S0003-9993(18)30090-X. [Epub ahead of print]

Middleton A, Downer B, Haas A, Lin YL, Graham JE, Ottenbacher KJ. Functional Status Is Associated With 30-Day Potentially Preventable Readmissions Following Skilled Nursing Facility Discharge Among Medicare Beneficiaries. J Am Med Dir Assoc. 2018 Apr;19(4):348-354.e4. PMCID: PMC5911157.

Li S, Middleton A, Ottenbacher KJ, Goodwin JS. Trajectories over the First Year of Long-Term Care Nursing Home Residence. J Am Med Dir Assoc. 2018 Apr;19(4):333-341.

Graham JE, Middleton A, Roberts P, Mallinson T, Prvu-Bettger J. Health Services Research in Rehabilitation and Disability-The Time is Now. Arch Phys Med Rehabil. 2018 Jan;99(1):198-203. PMCID: PMC5748255.

Middleton A, Graham JE, Deutsch A, Ottenbacher KJ. Potentially Preventable within-Stay Readmissions among Medicare Fee-for-Service Beneficiaries Receiving Inpatient Rehabilitation. PM R. 2017 Nov;9(11):1095-1105. PMCID: PMC5670018.

Middleton A, Lin YL, Graham JE, Ottenbacher KJ. Outcomes over 90-Day Episodes of Care in Medicare Fee-for-Service Beneficiaries Receiving Joint Arthroplasty. J Arthroplasty. 2017 Sep;32(9):2639-2647.e1. PMCID: PMC5572486.

Middleton A, Zhou J, Ottenbacher KJ, Goodwin JS. Hospital Variation in Rates of New Institutionalizations within 6 Months of Discharge. J Am Geriatr Soc. 2017 Jun;65(6):1206-1213. PMCID: PMC5478433.

Graham JE, Prvu Bettger J, Middleton A, Spratt H, Sharma G, Ottenbacher KJ. Effects of Acute-Postacute Continuity on Community Discharge and 30-Day Rehospitalization Following Inpatient Rehabilitation. Health Serv Res. 2017 Oct;52(5):1631-1646. PMCID: PMC5583304.

Pretz CR, Graham JE, Middleton A, Karmarkar AM, Ottenbacher KJ. Longitudinal Investigation of Rehospitalization Patterns in Spinal Cord Injury and Traumatic Brain Injury among Medicare Beneficiaries. Arch Phys Med Rehabil. 2017 May;98(5):997-1003. PMCID: PMC5403607.

Complete list of published work in MyBibliography

University of Florida website
University of Souther California website
University of Texas Medical Branch website


Contact Us: The RRCD is supported by the Division of Rehabilitation Sciences at UTMB
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