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Jonathan D. Packer, MD

Academic Title:

Associate Professor

Primary Appointment:


Phone (Primary):

To make an appointment: 410-448-6400

Phone (Secondary):

Secretary: 667-214-2738

Education and Training

Columbia University College of Physicians and Surgeons, MD

Yale-New Haven Hospital, Internship in Orthopaedic Surgery

Yale-New Haven Hospital, Residency in Orthopaedic Surgery

Stanford University Medical Center, Fellowship in Sports Medicine


Dr. Packer is an expert in surgical and non-surgical treatment of cartilage, meniscus, labrum, ligament and tendon injuries with the most advanced and minimally invasive techniques, including regenerative medicine such as platelet-rich plasma (PRP).

He treats patients of all ages and activity levels, from the elite athlete to the weekend warrior and believes in individualizing treatment based on each patient’s personal goals.

Baltimore Magazine has recognized Dr. Packer as a “Top Doctor” in Sports Medicine and General Orthopaedic Surgery.

Dr. Packer received an undergraduate degree in biomedical engineering from Johns Hopkins University and a Doctor of Medicine from Columbia University. He completed an orthopedic surgery residency at Yale New Haven Hospital and a sports medicine fellowship at Stanford University.

Currently, Dr. Packer is a Team Physician for the University of Maryland Terrapins and the UMBC Retrievers. He has previously served as an Assistant Team Physician for the Golden State Warriors professional basketball team and Stanford University football team.

Dr. Packer is an active member of many national societies, including the American Academy of Orthopaedic Surgeons (AAOS) and the American Orthopaedic Society for Sports Medicine (AOSSM). He serves on several leadership committees, including the AAOS Sports Medicine Content Committee and Chair of the AAOS Sports Medicine Evaluation Committee.

Dr. Packer is an accomplished basic science and clinical researcher and has lectured at many national and international meetings. He has received several research awards, including the Achilles Sports Medicine Research Award by the International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine. He has published numerous scientific manuscripts in prestigious orthopedic journals such as The Journal of Bone & Joint Surgery and The American Journal of Sports Medicine. His research interests include soft-tissue healing, stem cells and cartilage restoration.

Research/Clinical Keywords

Cartilage restoration, soft-tissue healing, stem cells

Highlighted Publications

Packer JD, Bedi A, Fox AJ, Fasinu S, Imhauser CW, Stasiak M, Deng X, Rodeo SA. Effect of immediate and delayed high strain loading on tendon-to-bone healing after anterior cruciate ligament reconstruction. J Bone Joint Surg Am. 2014:7;96(9):770-777. [May] PMID: 24806014

Packer JD, Chang WT, Dragoo JL. The use of vibrational energy to isolate adipose-derived stem cells. Plast Reconstr Surg Glob Open. 2018;11:6(1):e1623. [January] PMID: 29464159.

Packer JD, Varthi AG, Zhu DS, Javier FG, Young JD, Garver JV, Henry H, Tommasini SM, Blaine TA. Ibuprofen impairs capsulolabral healing in a rat model of anterior glenohumeral instability. J Shoulder Elbow Surg, 2018;27(2):315-324 [February] PMID:29195899.

Guo T, Noshin M, Baker HB, Taskoy E, Meredith SJ, Tang Q, Ringel JP, Lerman MJ, Chen Y, Packer JD, Fisher JP. 3D printed biofuntionalized scaffolds for microfracture repair of cartilage defects. Biomaterials, 2018;185:219-231. [December] PMID: 30248646.

Jauregui JJ, Wu ZD, Meredith S, Griffith C, Packer JD, Henn RF III. How should we secure our transplanted meniscus? A meta-analysis. Am J Sports Med 2017 [Epub ahead of print, August 1].