Jonathan Arend, MD

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Practice Philosophy

Internal Medicine at Lankenau Medical Center welcomes patients age 18 to seniors. We manage the variety of medical conditions that commonly affect adults and tailor treatment plans to meet the unique needs of each patient. For specialized care, we will help you select the right Main Line Health physician.

This doctor is employed by Main Line HealthCare, the multispecialty physician network of Main Line Health, including more than 350 community and hospital-based physicians.

Locations and Appointments

Lankenau Med Office Bldg West, Suite 330
100 East Lancaster Avenue
Wynnewood, PA 19096
  • Phone: 610.645.6555
  • Fax: 610.649.4744
  • Accessibility: Public Transportation

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Provider and location information

Provider Name: Jonathan Arend, MD
Location: Lankenau Med Office Bldg West, Suite 330
100 East Lancaster Avenue
Wynnewood, PA 19096

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Our apologies. This doctor is not seeing new patients from this location this week. The next available time for appointment at this location is:
2021-02-15 03:00 PM
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Lankenau Medical Center
100 E. Lancaster Ave., Ground FL, B-11
Wynnewood, PA 19096

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Call 1.866.CALL.MLH (1.866.225.5654), Monday through Friday between 8:00 am–6:00 pm ET, to speak with a member of our referral staff who can help find the doctor who is right for you.

About Jonathan Arend, MD

Dr. Arend joined Main Line HealthCare in 2020 as Medical Director for Primary Care and Population Health. He works closely with the President of Main Line HealthCare to guide the services of primary care physicians across the Main Line HealthCare Physician Network. His areas of focus include clinical operations, clinical quality, patient safety, resource utilization, and transformation of care delivery. Dr. Arend is also a member of the teaching faculty of the Internal Medicine Residency Program at Lankenau Medical Center. He practices internal medicine at Main Line HealthCare Internal Medicine at Lankenau Medical Center, where he cares for a socioeconomically and culturally diverse panel of patients residing in West Philadelphia and the surrounding areas.

Prior to his position at Main Line HealthCare, Dr. Arend served as Medical Director for Population Health for the Mount Sinai Health System and a clinician educator in the Internal Medicine Residency Program at the Icahn School of Medicine at Mount Sinai in New York City, where he held the rank of Associate Professor of Medicine. His scholarly contributions focused on chronic disease management, health care delivery innovation, quality improvement, and population health management.

Dr. Arend also co-founded the New York Local Action Network of the National Physicians Alliance, now Doctors for America, a multispecialty physician advocacy organization promoting high quality, affordable health care for all.

Dr. Arend received his undergraduate degree from the University of Puget Sound and his MD from Louisiana State University School of Medicine in New Orleans. He completed his residency training in the Primary Care/Social Internal Medicine Residency Program at Albert Einstein College of Medicine/Montefiore Medical Center in New York City. Dr. Arend is also an alumnus of the Clinical Quality Fellowship Program sponsored by the Greater New York Hospital Association and the United Hospital Fund.

  • Gender: Male
  • Years of Experience: 14
  • Language: English, Spanish
Specialties Accepting New Patients
Internal Medicine Board certified since 2007
Primary Affiliation
Clinical Titles
  • Medical Director, Primary Care Services - Main Line HealthCare physician network


Medical school
  • Louisiana State University School of Medicine in New Orleans, New Orleans LA
  • Montefiore Medical Center – Albert Einstein College of Medicine, Bronx, NY

*Members of the Main Line Health medical staff are affiliated with Bryn Mawr Hospital, Lankenau Medical Center, Paoli Hospital and Riddle Hospital. Membership on the medical staff of any of our hospitals does not constitute an employment or agency relationship.

Awards & Memberships

Current Membership & Activities
  • Society for General Internal Medicine
  • National Physicians Alliance
  • Physicians for Human Rights
  • Doctors for Global Health

Patient Satisfaction Ratings and Comments