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Blog: An Ounce of Evidence | Health Policy


  • M.P.H., 2004, Harvard School of Public Health
  • M.D., 1997, Harvard Medical School
  • A.B., 1992, Columbia College


  • Fellow, Brigham & Women’s Hospital, Harvard Medical School, 2002-04
  • Chief Resident, University of California, San Francisco, 2000-01
  • Resident, University of California, San Francisco, 1997-2000


Ashish K. Jha, M.D., MPH, is Adjunct Professor of Global Health at Harvard T.H. Chan School of Public Health.  He is a practicing General Internist and also Professor of Medicine at Harvard Medical School.

Dr. Jha received his M.D. from Harvard Medical School and then trained in Internal Medicine at the University of California in San Francisco.  He completed his General Medicine fellowship at Brigham & Women’s Hospital at Harvard Medical School and received his M.P.H. from Harvard T.H. Chan School of Public Health.

His research endeavors focus on improving the quality and costs of healthcare systems with a specialized focus on the impact of policies. Dr. Jha has published over two hundred various papers in prestigious journals and heads a personal blog which focuses on using statistical data research to improve health quality.  Dr. Jha is a member of the Institute of Medicine at the National Academies of Sciences, Engineering, and Medicine.

Course Offerings

Social Media

In August of 2012 Ashish launched a blog: ‘An Ounce of Evidence, ’ with the aim of creating a forum for debate, discussion, and spirited but ultimately respectful airing of the issues involved in fixing the healthcare system. He also operates a professional twitter account, @ashishkjha where he posts articles, opinions and contributes to debates relevant to health policy.

Select Publications

Schoenenberger RA, Tanasijevic MJ, Jha AK, Bates DW. Appropriateness of Antiepileptic Drug Level Monitoring. JAMA 1995;274(20):1622-6.

Jha AK, Shlipak MG, Hosmer W, Frances CD, Browner WS. Racial Differences in Mortality among Men Hospitalized in the Veterans Affairs Health Care System. JAMA 2001;285(3):297-303.

Jha AK, Collard HR, Tierney LM. Clinical Problem-Solving. Diagnosis Still in Question. N Engl J Med 2002;346(23):1813-6.

Jha AK, Perlin JB, Kizer KW, Dudley RA. Effect of the Transformation of the Veterans Affairs Health Care System on the Quality of Care. N Engl J Med 2003;348(22):2218-27.

Jha AK, Shojania KG, Saint S. Clinical Problem-Solving. Forgotten but Not Gone. N Engl J Med 2004;350(23):2399-404.

Jha AK, Li Z, Orav EJ, Epstein AM. Care in U.S. Hospitals–the Hospital Quality Alliance Program. N Engl J Med 2005;353(3):265-74.

Kaushal R, Bates DW, Poon EG, Jha AK, Blumenthal D. Functional Gaps in Attaining a National Health Information Network. Health Aff (Millwood) 2005;24(5):1281-9.

Jha AK, Fisher ES, Li Z, Orav EJ, Epstein AM. Racial Trends in the Use of Major Procedures among the Elderly. N Engl J Med 2005;353(7):683-91.

Jha AK, Epstein AM. The Predictive Accuracy of the New York State Coronary Artery Bypass Surgery Report-Card System. Health Aff (Millwood) 2006;25(3):844-55.

Jha AK, Ferris TG, Donelan K, DesRoches C, Shields A, Rosenbaum S, Blumenthal D. How Common Are Electronic Health Records in the United States? A Summary of the Evidence. Health Aff (Millwood) 2006;25(6):w496-507.

Jha AK, Orav EJ, Li Z, Epstein AM. The Inverse Relationship between Mortality Rates and Performance in the Hospital Quality Alliance Measures. Health Aff (Millwood) 2007;26(4):1104-10.

Adler-Milstein J, McAfee AP, Bates DW, Jha AK. The State of Regional Health Information Organizations: Current Activities and Financing. Health Aff (Millwood) 2008;27(1):w60-9.

DesRoches CM, Campbell EG, Rao SR, Donelan K, Ferris TG, Jha AK, Kaushal R, Levy DE, Rosenbaum S, Shields AE, Blumenthal D. Electronic Health Records in Ambulatory Care — a National Survey of Physicians. N Engl J Med 2008;359(1):50-60.

Jha AK, Orav EJ, Zheng J, Epstein AM. The Characteristics and Performance of Hospitals That Care for Elderly Hispanic Americans. Health Aff (Millwood) 2008;27(2):528-37.

Jha AK, Orav EJ, Zheng J, Epstein AM. Patients’ Perception of Hospital Care in the United States. N Engl J Med 2008;359(18):1921-31.

Bates DW, Larizgoitia I, Prasopa-Plaizier N, Jha AK. Global Priorities for Patient Safety Research. BMJ 2009;338:b1775.

Adler-Milstein J, Bates DW, Jha AK. U.S. Regional Health Information Organizations: Progress and Challenges. Health Aff (Millwood) 2009;28(2):483-92.

Jha AK, Orav EJ, Dobson A, Book RA, Epstein AM. Measuring Efficiency: The Association of Hospital Costs and Quality of Care. Health Aff (Millwood) 2009;28(3):897-906.

Jha AK, Chan DC, Ridgway AB, Franz C, Bates DW. Improving Safety and Eliminating Redundant Tests: Cutting Costs in U.S. Hospitals. Health Aff (Millwood) 2009;28(5):1475-84.

Jha AK, DesRoches CM, Shields AE, Miralles PD, Zheng J, Rosenbaum S, Campbell EG. Evidence of an Emerging Digital Divide among Hospitals That Care for the Poor. Health Aff (Millwood) 2009;28(6):w1160-70.

Jha AK, DesRoches CM, Campbell EG, Donelan K, Rao SR, Ferris TG, Shields A, Rosenbaum S, Blumenthal D. Use of Electronic Health Records in U.S. Hospitals. N Engl J Med 2009;360(16):1628-38.

Jha AK, Orav EJ, Epstein AM. Public Reporting of Discharge Planning and Rates of Readmissions. N Engl J Med 2009;361(27):2637-45.

Jha AK, Epstein A. Hospital Governance and the Quality of Care. Health Aff (Millwood) 2010; 29(1):182-7.

DesRoches CM, Campbell EG, Vogeli C, Zheng J, Rao SR, Shields AE, Donelan K, Rosenbaum S, Bristol SJ, Jha AK. Electronic Health Records’ Limited Successes Suggest More Targeted Uses. Health Aff (Millwood) 2010;29(4):639-46.

Jha AK, DesRoches CM, Kralovec PD, Joshi MS. A Progress Report on Electronic Health Records in U.S. Hospitals. Health Aff (Millwood) 2010;29(10):1951-7.

Joynt KE, Harris Y, Orav EJ, Jha AK. Quality of Care and Patient Outcomes in Critical Access Rural Hospitals. JAMA 2011;306(1):45-52.

Elnahal SM, Joynt KE, Bristol SJ, Jha AK. Electronic Health Record Functions Differ between Best and Worst Hospitals. The Am Journal of Managed Care 2011;17(4):e121-47.

Gao J, Moran E, Almenoff PL, Render ML, Campbell J, Jha AK. Variations in Efficiency and the Relationship to Quality of Care in the Veterans Health System. Health Aff (Millwood) 2011;30(4):655-63.

Joynt KE, Orav EJ, Jha AK. Thirty-Day Readmission Rates for Medicare Beneficiaries by Race and Site of Care. JAMA 2011;305(7):675-81.

Jha AK, Orav EJ, Epstein AM. Low-Quality, High-Cost Hospitals, Mainly in South, Care for Sharply Higher Shares of Elderly Black, Hispanic, and Medicaid Patients. Health Aff (Millwood) 2011;30(10):1904-11.

Kwok AC, Semel ME, Lipsitz SR, Bader AM, Barnato AE, Gawande AA, Jha AK. The Intensity and Variation of Surgical Care at the End of Life: A Retrospective Cohort Study. Lancet 2011;378(9800):1408-13.

Adler-Milstein J, DesRoches CM, Jha AK. Health Information Exchange among U.S. Hospitals. Am J Manag Care 2011;17(11):761-8.

Epstein AM, Jha AK, Orav EJ. The Relationship between Hospital Admission Rates and Re-Hospitalization. N Eng J Med 2011;365(24):2287-95

Wolf L, Harvell J, Jha AK. Use of Electronic Records among Hospitals Ineligible for Meaningful Use. Health Aff (Milwood) 2012;31(3):505-513.

Jha AK, Joynt KE, Orav EJ, and Epstein, AM. The long-term impact of Premier pay-for-performance on patient outcomes. N Eng J Med 2012;366:1606-1615.

DesRoches CM, Joshi MS, Kralovec PD, Worzala C, and Jha AK. Small, Non-Teaching, And Rural Hospitals Continue To Be Slow In Adopting Electronic Health Record Systems. Health Aff (Millwood) 2012;31(5):1092-1099.

Jha AK, Aubert R, Yao J, Teagarden R, and Epstein R. Greater adherence to diabetes drugs is linked to less hospital use and could save nearly $5 billion annually. Health Aff (Millwood) 2012; 31(8):1836-1846.

Lee GM, Kleinman K, Soumerai SB, Tse A, Cole D, Fridkin SK, Horan T, Platt R, Gay C, Kassler W, Goldmann DA, Jernigan J, and Jha AK. Effect of Non-Payment for Preventable Infections in U.S. Hospitals. N Eng J Med 2012;367(15): 428-1437.

Joynt KE, Blumenthal DM, Orav EJ, Resnic FS and Jha AK. Association of Public Reporting for Percutaneous Coronary Intervention With Utilization and Outcomes Among Medicare Beneficiaries With Acute Myocardial Infarction. JAMA 2012; 308 (14):1460-1468.

Joynt KE, Chan DC, Orav EJ, and Jha AK. Insurance Expansion in Massachusetts did not reduce access among previously insured Medicare patients. Health Aff (Millwood) 2013; 32(3):571-578.

Jha AK, Epstein AM. A Survey of Board Chairs of English Hospitals Shows Greater Attention to Quality of Care Than Among their US Counterparts. Health Aff (Millwood) 2013; 32(4):677-685.

Joynt KE, Gawande AA, Orav EJ, and Jha AK. Contribution of Preventable Acute Care Spending to Total Spending for High-Cost Medicare Patients. JAMA 2013; 309(24)2572-2578.

Alder-Milstein J, Furukawa MF, King J, and Jha AK. Early Results from the Hospital Electronic Health Record Incentive Programs. Am J Managed Care 2013, 19(7) 537-539.

Hsiao CJ, Jha AK, King J, Patel V, Furukawa MF, and Mostashari F. Office-Based Physicians are Responding to Incentives and Assistance by Adopting and Using Electronic Health Records. Health Aff (Millwood) 2013; 32(8):140-1477.

Adler-Milstein J, Bates DW, and Jha AK. Operational Health Information Exchange Shows Substantial Growth, But Long-Term Funding Remains a Concern. Health Aff (Millwood) 2013; 32(8):140-1477.

DesRouches CM, Charles D, Furukawa MF, Joshi MS, Kralovec P, Mostashari C, Jha AK, Worzala C. Adoption of Electronic Health Records Grows Rapidly, but Fewer than Half of US Hospitals Had at Least a Basic System in 2012. Health Aff (Millwood) 2013; 32(8):1486-1492.

McCrum ML, Joynt KE, Orav EJ, Gawande AA, and Jha AK. Mortality for Publicly Reported Conditions and Overall Hospital Mortality Rates. JAMA. 2013; 173(14): 1351-1357.

Tsai T, Gawande A, Orav EJ, and Jha AK. Variation in Surgical Readmissions and Relationship to Quality of Hospital Care. N Eng J Med 2013; 369(12):1134-1142.

Jha AK, Larizgoitia I, Audera-Lopez C, Prasopa-Plaizier N, Waters H, and Bates DW. The Global Burden of Unsafe Medical Care: Analytic Modeling of Observational Studies. BMJ 2013;(10):809-15.

Epstein AM, Jha AK, Orav EJ, Liebman DL, Audet AM, Zessa MA, Guterman S. Analysis of Early Accountable Care Organizations Defines Patient, Structural, Cost, and Quality-of-Care Characteristics. Health Aff (Millwood) 2014; 33(1)95-102.

Adler-Milstein J, Orav EJ, and Jha AK. EHR Adoption and Costs of Hospital Care. Health Aff (Millwood) 2014; 33(7):1271-7.

Sheikh A, Cresswell C, Greaves F, Bates DW and Jha AK. Adoption of Electronic Health Records in UK Hospitals: Lessons from the USA. Lancet 2014; 384(9937):8-9.

Adler-Milstein J, Jha AK. No Evidence Found that Hospitals are Using New Electronic Health Records to Increase Medicare Reimbursements. Health Aff (Millwood) 2014; 33(7):1271-1277.

Adler-Milstein J, Woskie L, Sarma N, Jha AK. Using Health Information Technology to Improve Care for People with Chronic Conditions: An International Comparison. Health Aff (Millwood) 2014; 33(9):1559-66.

Adler-Milstein J, DesRoches CM, Worzala C, Furukawa M, Kralovec P, Charles D, Jha AK. More Than Half of US Hospitals Had At Least A Basic EHR But Stage 2 Criteria Remain Challenging for Most. Health Aff (Millwood) 2014; 33(9):1664-71.

Furukawa M, King J, Patel V, Hsiao J, Adler-Milstein J, Jha AK. Despite Substantial Progress in EHR Adoption, Health Information Exchange And Patient Engagement Remain Low. Health Aff (Millwood) 2014; 33:1672-1679.

Joynt KE, Orav EJ, Jha AK. Association Between Hospital Conversions to For-Profit Status and Clinical Economic Outcomes. JAMA. 2014; 312(16):1644-52.

Epstein AM, Jha AK, Orav EJ. The Impact of Pay for Performance on Quality of Care for Minority Patients. Am J Managed Care. 2014; 20(10):e479-86.

Tsai TC, Orav EJ, Jha AK. Care Fragmentation in the Post-Discharge Period: Surgical Readmissions, Distance of Travel, and Postoperative Mortality. JAMA Surgery. 2015; 150(1):59-64.

Adler-Milstein J, Scott KW, Jha AK. Leveraging Electronic Health Records to Improve Hospital Performance: The Role of Management. Am J Managed Care. 2014; 20(11):511-9.

Cassel CK, Conway PH, Delbanco SF, Jha AK, Sanders RS, Lee TH. Getting More Performance from Performance Measurement. N Eng J Med. 2014; 371(23): 2145-7.

Austin JM, Jha AK, Romano PS, Singer SJ, Vogus TJ, Wachter RM, Pronovost PJ. National Hospital Ratings Systems Share Few Common Scores and May Generate Confusion Instead of Clarity. Health Aff (Millwood) 2015; 34(3):423-30.

Tsai TC, Joynt KE, Wild RC, Orav EJ, Jha AK. Medicare’s Bundled Payment Initiative: Most Hospitals are Focused on a Few High-Volume Conditions. Health Aff (Millwood) 2015; 34(3):371-80.

Joynt KE, Chatterjee P, Orav EJ, Jha AK. Hospital Closures Had No Measurable Impact on Local Hospitalization Rates or Mortality Rates. Health Aff (Millwood) 2015; 34(5):355-362.

Frandsen BR, Joynt KE, Rebitzer JB, Jha AK. Care Fragmentation, Quality and Costs Among Chronically Ill Patients. Am J Managed Care 2015; 21(5):355-362.

Blumenthal DM, Orav EJ, Jena AB, Dudzinski DM, Le ST, Jha AK. Access, Quality and Costs of Care at Physician Owned Hospitals in the United States: Observational Study. BMJ 2015; 351:h4466.

Hogan DR, Danaei G, Ezzati M, Clarke PM, Jha AK, Salomon JA. Estimating the Potential Impact of Insurance Expansion on Undiagnosed and Uncontrolled Chronic Conditions. Health Aff (Millwood) 2015; 34(9): 1554-62.

Tsai TC, Jha AK, Gawande AA, Huckman RS, Bloom N, Sadun R. Hospital Board and Management Practices are Strongly Related to Hospital Performance on Clinical Quality Metrics. Health Aff (Millwood) 2015; 34(8): 1304-11.

Moon S, Sridhar D, Pate MA, Jha AK, Clinton C, Piot P et al. Will Ebola Change the Game? Ten Essential Reforms Before the Next Pandemic. The Report of the Harvard-LSHTM Independent Panel on the Global Response to Ebola. Lancet. 2015; 386(10009):2204-21.

Adler-Milstein J, DesRoches CM, Kralovec P, Foster G, Worzala C, Charles D, Searcy T, Jha AK. Electronic Health Record Adoption in US Hospitals: Progress Continues, But Challenges Persist. Health Aff (Millwood) 2015; 34(12):2174-80.