Steven M. Dellose, M.D.

Delaware Orthopaedic Specialists Dr Dellose
Top Doctor 2025 Badge
Patient Ratings
4.9 of 5 stars from 673 reviews
 
Here's What Patients Say About Us
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    INSPIRATIONAL, INNOVATIVE SURGEON

    Dr. Steve Dellose is a most inspirational, innovative surgeon. He is always confident, comforting and compassionate with a smile. He took that extra moment to share additional insight or calm my anxieties as I approached the next stage of the healing process. I was fortunate and honored to be i...

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    Joe A.
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    A Long Active Life

    I recently had my right knee replaced by Dr. Steven Dellose. I also had my left knee replaced in 2008 after many years of being in pain. My knee problems stemmed from my athletics when I began contact sports around 10 years of age until I ended my contact sports around 35 years of age. Prior t...

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    William C.

Dr. Dellose is a board-certified orthopedic surgeon specializing in adult hip and knee joint replacement. He has extensive experience in both primary and complex revision joint arthroplasty, with a focus on restoring mobility, reducing pain, and improving long-term function for patients with degenerative joint disease. His primary focus involves outpatient surgery and techniques to reduce pain.

Dr. Dellose, At a Glance

  • Board-certified orthopedic surgeon
  • Fellowship-trained in Joint Replacement
  • Robotic-assisted surgery
  • High-volume joint replacement surgeon (over 700 per year)
  • Delaware Today Top Doctor Multiple Years

Specialties

My Locations
Chadds Ford Location
Chadds Ford, PA
Newark Metro
Newark Metro
North Wilmington
North Wilmington

Dr. Dellose's Staff
Delaware Orthopaedic Specialists Cassidy MS PA-C
Joseph Cassidy, MS, PA-C
Delaware Orthopaedic Specialists Catherine Frescoln PA-C
Catherine Frescoln, PA-C
 
Dr. Dellose's Approach to Care

Specialty Focus

In addition to his clinical expertise, he has held multiple leadership roles and remains actively involved in advancing joint replacement care in the region through surgical innovation, education, and collaboration. He serves as the current Vice President for Delaware Society of Orthopedic Surgeons, and is the Medical Director for Restore Orthopedic Surgical Institute.  He also was the former Medical Director for the Center for Advanced Joint Replacement at Christiana Care Health Services.

He also served as an Executive Committee Member for Delaware Orthopaedic Specialists for many years.

Clinical Areas of Expertise:

  • Primary total hip replacement 
  • Primary total knee replacement 
  • Complex and revision joint arthroplasty 
  • Outpatient and minimally invasive joint replacement techniques 
  • Enhanced recovery and post-operative rehabilitation pathways
  • Techniques for reducing pain after surgery to allow for better rehabilitation

Advanced Joint Replacement Techniques

Dr. Dellose is a leader in total joint replacement and outpatient surgical innovation, with extensive experience developing and implementing advanced care pathways to improve patient recovery and outcomes. He continues to collaborate on the advancement of joint replacement techniques, outpatient surgery protocols, and implant design.

Care Philosophy & Surgical Innovation:

  • Focus on high-volume, low complication total joint replacement surgery 
  • Development of enhanced recovery protocols and advanced outpatient joint replacement pathways 
  • Leadership in establishing and directing outpatient surgical centers for orthopedic care 
  • Emphasis on minimally invasive techniques and efficient recovery models 
  • Collaboration on joint implant design and orthopedic surgical innovation 
  • Commitment to improving patient outcomes through evidence-based care pathways 
  • Integration of coordinated, team-based surgical and rehabilitation approaches

Why Patients Choose Dr. Dellose

Patients choose Dr. Dellose for:

  • Fellowship-trained specialist
  • High procedure volume
  • Outpatient Surgery performed at Restore Orthopedic Surgical Institute
  • Personalized care plans
  • Advanced surgical techniques
  • Collaborative care approach

Conditions Treated

Dr. Dellose treats a wide range of conditions including:

  • Knee Pain
  • Knee arthritis
  • Hip pain
  • Hip Arthritis

Procedures Performed

  • Total Hip Replacement 
  • Revision Hip Replacement
  • Total Knee replacement
  • Revision Knee Replacement
  • Arthroscopy

Steven M. Dellose's Curriculum Vitae (CV)

Education

Dr. Dellose attended AI DuPont HS and after finishing his undergraduate studies at the University of Delaware with honors, Dr. Dellose earned his medical degree from Thomas Jefferson Medical College in Philadelphia, PA. He completed an internship in general surgery at Temple University Hospital in Philadelphia and finished a four-year residency with the Department of Orthopedic Surgery earning multiple awards and recommendations. He concluded his advanced specialty studies completing an Adult Joint Reconstruction Fellowship at the University of Pittsburgh Medical Center in 2002. Dr. Dellose has collaborated and contributed to medical textbooks and performs speaking engagements and lectures to professionals and other medical doctors and students.

  • Fellowship – University of Pittsburgh Medical Center
  • Residency – Temple University
  • Medical school – Thomas Jefferson Medical College
  • Undergraduate – University of Delaware
Awards & Research
  • Top Doctor by Delaware Today: 2005, 2009, 2010, 2011, 2012, 2013, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
  • Large Volume Joint Replacement Surgeon in Tri-State Area
Certifications

Board certifications: 

  • American Board of Orthopaedic Surgery

Professional memberships:

  • American Medical Association 
  • American Academy of Orthopaedic Surgeons 
  • Delaware Society of Orthopaedic Society  
  • Pennsylvania Orthopaedic Society 
  • Section of Orthopaedic Surgery, State of Delaware 
  • Eastern Orthopaedic Association 
  • ICJR 
  • AAHKS (American Academy of Hip and Knee Surgeons)
  • Temple Orthopaedic Alumni Association
Personal Interests

Born and raised in Wilmington, Delaware, Dr. Dellose is proud to serve the community he has called home since beginning his practice in 2002. He continues to provide expert, high-volume total joint replacement care as a partner at Delaware Orthopaedic Specialists, and remains dedicated to helping patients improve mobility and quality of life. At ROSI, Dr. Dellose works in a hyperspecialized outpatient environment designed for same-day discharge, often at a significantly lower cost than hospital-based procedures. Patients frequently highlight his thoroughness and the supportive role of his team, including PA Joe Cassidy and PA Catherine Frescoln.

 He has been consistently named a "Top Doctor" by Delaware Today every year from 2016 through 2025.

Outside of work, he enjoys spending time with his wife, Jayne, and their children, Meghan and Jack.

Media Center

Related Media

  November 3rd, 2025
ROSI — Home of the DOS Joint Replacement Team — Ranks Among Philly’s Top ASCs and #1 in Growth

Restore Orthopedic Surgical Institute in Chadds Ford has grown quickly since opening in March 2023 to become one of the top joint replacement destinations in Southeastern Pennsylvania.

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  September 29th, 2025
2025 Delaware Top Doctors

Delaware Today Magazine recently released its annual Top Doctor list. The survey asked other Delaware physicians who they would most recommend to care for their patients, friends and family. The top vote-getters are listed in their annual Top Doctor magazine. Congratulations to our 2025 Delaware Top Doctors!

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  October 1st, 2024
2024 Delaware Top Doctors

Delaware Today Magazine recently released its annual Top Doctor list. The survey asked other Delaware physicians who they would most recommend to care for their patients, friends and family. The top vote-getters are listed in their annual Top Doctor magazine. Congratulations to our 2024 Delaware Top Doctors!

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  December 29th, 2023
2023 Delaware Top Doctors

Delaware Today Magazine recently released it’s “2023 Top Doctor” list. The survey asked other Delaware physicians who they would most recommend to care for their patients, friends and family. The top vote-getters are listed in their annual Top Doctor magazine issue each year. Congratulations to our 2023 Delaware Top Doctors!

Continue Reading