
Paul M. Lombardi, M.D., President, Tri County Orthopedics, Fellowship Co-Director
John Dundon, M.D., Fellowship Co-Director
Duration: 1 year (August 1 – July 31)
Stipend: $95,000 per annum/benefits
Positions: 2 AAHKS-Accredited
Location: Tri-County Orthopedics, The Joint Replacement Institute, Morristown Medical Center
Contact: Gabrielle Marrazzo, fellowship@tri-countyortho.com
The Tri-County Orthopedics Adult Joint Reconstruction Fellowship offers comprehensive, hands-on training in joint replacement surgery under the mentorship of fellowship-trained surgeons at one of New Jersey's leading private orthopedic practices. Fellows are immersed in all aspects of joint reconstruction care, gaining exposure to state-of-the-art surgical techniques, advanced technology, and the operational expertise of a thriving private practice. Our program is designed to develop the next generation of orthopedic leaders, surgeons who are technically exceptional, clinically astute, and prepared for the realities of modern practice.
Curriculum & Expectations
Fellows at Tri-County Orthopedics receive extensive exposure to the full spectrum of adult joint reconstruction, working alongside our surgeons in a high-volume, state-of-the-art private practice setting. Through direct participation in surgical cases, outpatient clinics, and practice operations, fellows develop the clinical excellence and professional foundation needed to become leaders in the field.
Surgical Exposure & Techniques
- Direct anterior hip replacement (DAA) — on and off table, including revision cases
- Traditional posterior approach—primary and revision hip replacement
- Total knee replacement with and without robotics
- Mechanical and kinematic alignment techniques
- Subvastus, midvastus, and traditional medial parapatellar knee approaches
- Bilateral and unilateral primary and revision hip and knee replacements
Program Opportunities & Objectives
- Extensive exposure to performing state-of-the-art outpatient joint reconstruction at a private ambulatory surgery center (ASC)
- Opportunity to learn how to develop and manage an outpatient ASC program
- Understanding the business of orthopedic private practice—operations, strategy, and growth
- Exposure to all aspects of joint reconstruction care, including the latest techniques and technology offered by Tri-County Orthopedics' surgeons
- Mentorship aimed at preparing young surgeons for clinical and leadership roles in the field
Program Opportunities & Objectives
- Extensive exposure to performing state-of-the-art outpatient joint reconstruction at a private ambulatory surgery center (ASC)
- Opportunity to learn how to develop and manage an outpatient ASC program
- Understanding the business of orthopedic private practice — operations, strategy, and growth
- Exposure to all aspects of joint reconstruction care, including the latest techniques and technology offered by Tri-County Orthopedics' surgeons
- Mentorship aimed at preparing young surgeons for clinical and leadership roles in the field
Meet the Team
Our Faculty
Fellowship-trained doctors bringing world-class orthopedic expertise to our patients.
Paul M. Lombardi, M.D.
President, Tri-County Orthopedics, Fellowship Co-Director
Adult Joint Reconstruction Fellowship: Hospital for Special Surgery, New York, NY
John Dundon, M.D.
Fellowship Co-Director
Adult Reconstruction Fellowship: Insall Scott Kelly Institute/NYU Langone Orthopedic Hospital, New York, NY
Robert T. Goldman, M.D.
Faculty
Sports Medicine & Reconstructive Knee & Hip Surgery: Insall Scott Kelly Institute for Orthopaedics and Sports Medicine, New York, NY
Aaron L. Forbes, M.D.
Faculty
Adult Reconstruction & Joint Replacement Surgery Fellowship: Hoag Orthopedic Institute, Irvine, CA
David S. Klein, D.O.
Faculty
Orthopedic Sports Medicine Fellowship: NYU Langone Orthopedic Hospital, New York, NY
Harpal Singh Khanuja, M.D.
Chairman of Orthopedics, Morristown Medical Center
Adult Reconstruction Fellowship: Johns Hopkins, Baltimore, MD
Inaugural Class
Current Fellows
We are proud to welcome our first fellow, beginning July 1, 2027, marking the official launch of the Tri-County Orthopedics Adult Joint Reconstruction Fellowship.

Timothy Maurer, D.O.
Inaugural Fellow—Class of 2027 – 2028
Medical School
Philadelphia College of Osteopathic Medicine
Residency
UPMC Harrisburg – Expected Graduation June 30, 2027
Fellowship Start
July 1, 2027 – Tri-County Orthopedics Adult Joint Reconstruction Fellowship
Fellowship Alumni
Alan Lee, M.D., 2023 – 2024 • Jill B. Doe, D.O., 2023 – 2024 • Aaron I. Goodman, M.D., 2023 – 2024
Application Information
Tri-County Orthopedics will participate in the San Francisco Matching Program (SF Match).
Application Deadline: November 1
For questions regarding the application process, interview dates, etc., please email our program coordinator at: fellowship@tri-countyortho.com








