Margaret Lowenstein, MD, MPhil, MSHP

Internal Medicine
Accepting new patients
Sees patients age 18 and up
Penn Center for Primary Care
Make an appointmentCall 215-662-9990
Penn Medicine Provider

About me

  • Research Director, Penn Center for Addiction Medicine and Policy
  • Assistant Professor of Medicine (General Internal Medicine) at the Hospital of the University of Pennsylvania

My education and training

  • Medical School: University of Pennsylvania School of Medicine
  • Residency: University of California San Francisco

Spoken languages

English
English

Reviews

Average Rating

82 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
i've recommended dr lowenstein to many people. she really listens to her patients and does her very best to address any issues or questions you have. i've never had a doctor i've felt this comfortable with or had such complete faith in.
Anonymous
February 2026
she saved my life. i will forever be grateful for her and her care.
Anonymous
November 2025
i can't say enough good things about doctor lowenstein. she is the absolute best!!
Anonymous
October 2025
i received courteous and professional care in a timely manner, as i always receive.

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.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
Dr. Lowenstein is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions

Research

Publications

Lowenstein Margaret, Kilaru Austin, Perrone Jeanmarie, Hemmons Jessica, Abdel-Rahman Dina, Meisel Zachary F, Delgado M Kit Barriers and facilitators for emergency department initiation of buprenorphine: A physician survey. , The American Journal of Emergency Medicine, 37(9): 2019,1787-1790

Lowenstein Margaret, Grande David, Delgado M Kit Opioid Prescribing Limits for Acute Pain - Striking the Right Balance. , The New England Journal of Medicine, 379(6): 2018,504-506

Lowenstein Margaret, Hossain Erik, Yang Wei, Grande David, Perrone Jeanmarie, Neuman Mark D, Ashburn Michael, Delgado M Kit Impact of a State Opioid Prescribing Limit and Electronic Medical Record Alert on Opioid Prescriptions: a Difference-in-Differences Analysis. , Journal of General Internal Medicine, 35(3): 2020,662-671

Austin S Kilaru, Aria Xiong, Margaret Lowenstein, Zachary F Meisel, Jeanmarie Perrone, Utsha Khatri, Nandita Mitra, M Kit Delgado Incidence of Treatment for Opioid Use Disorder Following Nonfatal Overdose in Commercially Insured Patients , JAMA Network Open, 3(5): 2020,e205852

Lowenstein Margaret, Bamgbose Olusinmi, Gleason Nathaniel, Feldman Mitchell D Psychiatric Consultation at Your Fingertips: Descriptive Analysis of Electronic Consultation From Primary Care to Psychiatry. , Journal of Medical Internet Research, 19(8): 2017,e279