Ashish P Thakrar, MD
Assistant Professor of Medicine (General Internal Medicine)
Department: Medicine
Contact information
3600 Civic Center Boulevard
7th Floor CHT07-100B
Philadelphia, PA 19104
7th Floor CHT07-100B
Philadelphia, PA 19104
Publications
Education
BS (Economics)
Carnegie Mellon University, 2012.
BFA (Piano Performance)
Carnegie Mellon University, 2012.
MD (Medicine)
University of Pennsylvania School of Medicine, 2017.
MS (Health Policy Research)
University of Pennsylvania, 2023.
BS (Economics)
Carnegie Mellon University, 2012.
BFA (Piano Performance)
Carnegie Mellon University, 2012.
MD (Medicine)
University of Pennsylvania School of Medicine, 2017.
MS (Health Policy Research)
University of Pennsylvania, 2023.
Post-Graduate Training
Post-Baccalaureate Premedical Program, Johns Hopkins University, Baltimore, MD, 2012-2013.
Resident, Internal Medicine, Johns Hopkins Hospital Osler Medical Residency, 2017-2020.
Fellow, Addiction Medicine, Johns Hopkins Bayview Medical Center, Baltimore, MD, 2020-2021.
National Clinical Scholar Program, University of Pennsylvania, 2021-Present.
MSc, Health Policy Research, University of Pennsylvania, 2021-Present.
Post-Baccalaureate Premedical Program, Johns Hopkins University, Baltimore, MD, 2012-2013.
Resident, Internal Medicine, Johns Hopkins Hospital Osler Medical Residency, 2017-2020.
Fellow, Addiction Medicine, Johns Hopkins Bayview Medical Center, Baltimore, MD, 2020-2021.
National Clinical Scholar Program, University of Pennsylvania, 2021-Present.
MSc, Health Policy Research, University of Pennsylvania, 2021-Present.
Certifications
American Board of Internal Medicine Certified, 2020.
Addiction Medicine Certified from the American Board of Preventive Medicine, 2021.
Permanent linkAmerican Board of Internal Medicine Certified, 2020.
Addiction Medicine Certified from the American Board of Preventive Medicine, 2021.
ORCID identifier 
0000-0002-4406-6752
Selected Publications
Kee DP, Buyske JJ, Thakrar AP.: Closing the Interpretive Gap in Urine Drug Testing: A Call for Education and Assay Modernization. Journal of General Internal Medicine In Press, October 2026.Wang JZ, Dennis B, Thakrar AP, Klaire S, Bach P: Safety and effectiveness of rapid methadone titration protocols in opioid use disorder: A systematic review. Addiction In press, September 2026.
Boyce TG (co-first), Thakrar AP (co-first), Durkin BR, Casey ER, Xu L, Lowenstein M: Dexmedetomidine Use and Intensive Care Unit Admissions for Patients With Medetomidine Withdrawal. JAMA Internal Medicine Epub ahead of print, September 2026.
Thakrar AP, Torres-Lockhart KE, Suen LW: Chapter 7: Opioid Use Disorder Management. The Hospital Addiction Medicine Handbook, 1st Edition. Melissa Wiemer & Susan Calcaterra (eds.). Wolters Kluwer, July 2026 Notes: ISBN/ISSN:9781975254476.
Casey ER, Uritsky T, Soyfer L, Xu L, Lynch KG, Zwiebel S, Lowenstein M, Thakrar A.: RAMP-UP: Pharmacist-Led Methadone Titration for Hospitalized Patients With Opioid Use Disorder. Subst Use Addctn J April 2026.
Lowenstein M, Thakrar A.: Integrating Methadone Into Primary Care: Lessons From Ukraine. Ann Intern Med February 2026.
Davis MH, Tolbert J, Nessen S, Perez A, Henderson K, Durkin B, Chertok J, Perrone J, French R, McFadden R, Thakrar A, Huo S, Wilson JD, Aronowitz S, Lowenstein M.: Multidisciplinary Perspectives on a New Hospital Addiction Consult Service: A Mixed- Methods Study. Res Sq Dec 2025.
Zhang A, Barnes J, Sherman J, O'Donnell N, Velez R, Huo S, Thakrar A, Lowenstein M, Perrone J, Kilaru AS.: Linkage to Outpatient Methadone Treatment From the Emergency Department and Hospital. Acad Emerg Med November 2025.
Zhang A, Barnes J, Sherman J, O'Donnell N, Velez R, Huo S, Thakrar AP, Lowenstein P, Perrone J, Kilaru AS: Linkage to Outpatient Methadone Treatment from the Emergency Department and Hospital. Academic Emergency Medicine 32(11): 1251-1254, Nov 2025.
Yu-Chia H, Thakrar AP, Leonard CE, Lowenstein M, Brensinger CM, Bilker WB, Bogar KF, Hennessy S: Trends in Methadone Use for Pain and Opioid Use Disorder Among Medicaid Enrollees. JAMA Health Forum 6(11): e255023, Nov 2025.