NicholasMaassenMD

Elbow Surgery, Orthopedic Sports Medicine, Shoulder Surgery

Assistant Professor University of Chicago

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Office
5841 S Maryland Ave
Chicago, IL 60637
Phone+1 888-824-0200

Fax+1 713-492-2440

Dr. Nicholas Maassen, currently based in Chicago, specializes in Orthopaedic Surgery with an emphasis on Elbow Surgery, Orthopedic Sports Medicine, and Shoulder Surgery. He completed his Fellowship in Shoulder and Elbow Orthopaedic Surgery at the Icahn School of Medicine at Mount Sinai in 2014, after his Orthopaedic Surgery Residency at the University of Wisconsin Hospitals and Clinics. His employment history includes roles at the University of Chicago Medical Center, Inov8 Orthopedics, and UTMB Orthopaedic Department. His experience includes treating sports medicine cases, rotator cuff tears and injuries, arthritis, and he also has extensive knowledge in shoulder surgery. Dr. Maassen has authored several studies published in various medical periodicals such as Journal of Clinical Medicine, Arthroscopy, and the Journal of the American Academy of Orthopaedic Surgeons.

Icahn School of Medicine at Mount SinaiFellowship, Shoulder & Elbow Orthopaedic Surgery, 2013 - 2014
University of Wisconsin Hospitals and ClinicsResidency, Orthopaedic Surgery, 2008 - 2013
University of Wisconsin School of Medicine & Public HealthClass of 2008

PubMed

Patient-reported upper extremity impairment following mastectomy with breast reconstruction: A systematic review.
Hannah Carr, Miguel Gonzalez, Sarah Shubeck, Maureen R Beederman, Nicholas H Maassen
Journal of Plastic, Reconstructive & Aesthetic Surgery. 2025-01-26
Utility of radiographs for asymptomatic patients following primary anatomic and reverse total shoulder arthroplasty.
David H Jung, Vincent Buckman, Nicholas A Carola, Darlington Nwaudo, Nicholas H Maassen
Journal of Shoulder and Elbow Surgery. 2025-01-03
Bone Marrow Aspirate Concentrate May Improve Healing and Function in Rotator Cuff Repair: A Systematic Review.
Nicholas Carola, Jordan Cook Serotte, David Jung, Nicholas H Maassen, Lewis Shi
Arthroscopy. 2024-11-22

Journal Articles

Conservative and Operative Treatment in the Setting of Simultaneous Bilateral Humerus Fractures
Chen J, Osadebey EN, Maassen NH, Current Orthopedic Practice, 11/1/2018

Books/Book Chapters

Decision Support in Medicine: Shoulder and Elbow
Chapter: Adhesive Capsulitis - Evaluation and Management
Maassen NH, McCann PDEditors: Decision Support in Medicine.
Mesenchymal Stromal Cells - Biology and Clinical Applications
Chapter: MSCs in Orthopedic Surgery
Page 655 - 662Maassen NH, Hanson SEEditors: Hematti P, Keating A.Humana PressEdition 1,2013