Rebecca Arden Harris, MD, MSc

Family Medicine
Sees patients of all ages
Penn Family Care
Make an appointmentCall 215-662-8777
Penn Medicine Provider

About me

  • Assistant Professor of Family Medicine and Community Health
  • Senior Fellow, Leonard Davis Institute of Health Economics
  • Senior Scholar, Penn Injury Science Center
  • Assistant Professor of Family Medicine and Community Health at the Hospital of the University of Pennsylvania

Rebecca Arden Harris ("Arden"), MD, MSc, is an Assistant Professor, primary care physician, and addiction medicine researcher in the Penn Department of Family Medicine and Community Health. After graduating from Haverford College with a BSc in Biology, she attended Thomas Jefferson University for medical school and completed residency training at Montefiore Medical Center in New York. She has also earned a Master of Science in Health Policy Research from Penn. Dr. Harris is board certified in both family medicine and addiction medicine.

Dr. Harris' research centers on substance use disorders, treatment delivery and innovation, and population-level modeling of the drug overdose mortality crisis. Her research has been published in leading medical journals and is supported through an NIH career-development grant.

My education and training

  • Medical School: Thomas Jefferson University

Spoken languages

English
English
Español
Spanish

Reviews

Average Rating

88 reviews

Comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Penn Medicine.

Anonymous
May 2026
she was a very good listener and provided me with other services or images that l could do with my issue!!
Anonymous
February 2026
made the visit comfortable
Anonymous
February 2026
very attentive & knowledgeable & listened to me
Anonymous
July 2025
this is helping me i finally feel heard

Insurance accepted

Please contact the practice and/or the member services department of your insurance company for specific details before receiving services. Providers may participate in some, but not all, products offered by a health plan; providers may also accept plans at some practice locations but not others.

Locations

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Pennsylvania Hospital: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
Dr. Harris is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions

Research

Publications

Harris RA, Long JA, Bao Y, Kranzler HR, Perrone J, and Mandell DS Methadone-involved overdose deaths in urban and rural communities before and after the public health emergency flexibilities for methadone take-home doses , Drug and Alcohol Dependence Reports, 15: 2025

Harris RA, Khatana SAM, Long JA Cardiometabolic deaths in black and white men: Tracing the risks from early- to mid-adulthood , Preventive Medicine Reports, 51(102997): 2025

Harris, RA Illicit stimulants and rising cardiovascular mortality: Action required , PSAM Review: 2025

Harris RA Sex and drug overdose mortality trends, 1999-2020 , JAMA Psychiatry, 79(8): 2022,833-834

Harris RA, Khatana SAM, Glei DA, Long JA Stimulant-Involved Cardiovascular Disease Mortality and Life Years Lost, 2014 to 2023 , Substance Use: Research and Treatment, 19: 2025

Harris RA, Long JA, Bao Y, Mandell DS Racial, Ethnic, and Sex Differences in Methadone-Involved Overdose Deaths Before and After the US Federal Policy Change Expanding Take-home Methadone Doses , JAMA Health Forum, 4(6): 2023

Harris RA Drug overdose deaths among non-Hispanic Black men in the US: Age-specific projections through 2025 , AJPM Focus, 2(1): 2023

Harris RA, Mandell DS Fatal drug overdose among middle-aged Black men: A life table analysis. , Addictive Behaviors, 144: 2023

Harris RA Race, overdose deaths, and years of lost life , JAMA Pediatrics, 176(7): 2022,729

Harris RA, Mandell DS, Kampman KM, Bao Y, Campbell K, Cidav Z, Coviello DM, French R, Livesey C, Lowenstein M, Lynch KG, McKay JR, Oslin DW, Wolk CB, Bogner HR Collaborative care in the treatment of opioid use disorder and mental health conditions in primary care: A clinical study protocol , Contemporary Clinical Trials, 103(106325): 2021