Dr. Stephen Koss, MD
5.0(61 reviews)
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Office Hours at Orthopedic Institute of New Jersey

  • Mon:8:00am - 5:00pm
  • Tue:8:00am - 5:00pm
  • Wed:8:00am - 5:00pm
  • Thu:8:00am - 5:00pm
  • Fri:8:00am - 5:00pm

Dr. Stephen Koss, MD
Orthopaedic Surgeon - General

Highlights

  • Board Certified

Biography

Board Certified by the American Board of Orthopaedic Surgery, Dr. Koss is an attending physician at Newton Medical Center, where he previously served as the Chief of Surgery in the Department of Surge… Read more ›

Featured Review See More Reviews

Dr, Koss was very kind and explained everything in detail. I also liked his kindness and care for my long term recovery. I would recommend him in a heart beat. Side note, Wanda was great to work with, too!…

Victoria C.

Summary

Provider Training

UniversityDegreeFocusGraduated
University of Va School of Medicine, Charlottesville VaOther Degree1989
University of Virginia Medical SchoolMedical Degree1989

InstitutionFocusYear
Residency - New England Medical Center Hosps, Sports Medicine-Orthopedic Surgery; University Ma Mem Hlthcare-University Campus, Orthopedic SurgeryNot Specified
Residency - UMass Memorial Medical Center Not Specified
Fellowship - New England Medical Center / Tufts UniversityNot Specified
Residency - Tufts Medical Center (New England) Program Not Specified

CertificationCert. BodyYear
Orthopaedic SurgeryOrthopaedic SurgeryNot Specified
Orthopaedic SurgeryOrthopaedic SurgeryNot Specified

Experience & Accolades

RoleOrganizationTime
Fellow American Academy of Orthopaedic Surgeons
Present

Photos

Provider Profile 0

Specialties

Languages Spoken
English
Medical Specialties
  • Orthopaedic Surgeon

Orthopaedic Surgery

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 5.0
Number of Reviews: 61
Most Recent Review: 08/11/2026
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Office & Staff Evaluation 5.0

Ease of Getting an Appointment 5.0
Courtesy of Practice Staff 5.0
Office Appearance & Atmosphere 5.0
Handling of Billing Matters 5.0
Average Wait Time Less than 5 minutes

Provider Evaluation 5.0

Willingness to Spend Time with You 5.0
Accuracy of Diagnosis 5.0
Listening Skills 5.0
Clear Explanations 5.0
Trust in Decision Making 5.0
Post Visit Follow-up 5.0
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Verified Patient

“Dr. Koss is very personable and professional.”

Dr, Koss was very kind and explained everything in detail. I also liked his kindness and care for my long term recovery. I would recommend him in a heart beat.
Side note, Wanda was great to work with, too!

Victoria C. 08/11/2026
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Verified Patient

“Everything was great, I felt like I knew what was going on the whole time and knew what to look for through the entire recovery.. Dr. Koss was very communicative and personable.”

It was great, Dr. Koss was very clear with everything and always was honest with what to expect with surgery through recovery

Jax W. 08/03/2026
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Verified Patient

“ACL reconstruction surgery”

Dr Koss was amazing! He explained everything so well before and after surgery and I was 100% comfortable with him.

Morgan H. 07/22/2026
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Verified Patient

“Very happy with Dr Koss and his staff”

Excellent

Joseph S. 04/15/2026
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Verified Patient

“absolutely tremendous experience from day 1 to post surgery”

very professional and helped me leave with zero pain.
couldn't be happier

Josh K. 04/22/2025
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Verified Patient

“Amazing Care!”

Dr. Koss was very thorough in his diagnosis of my injury. He also explained the surgery in detail. He listened to my concerns and went over what needed to be done to make sure that it healed the way it needed to. I was very impressed by him and his staff.

Kenneth O. 08/11/2026
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Verified Patient

“Dr. Koss took the time to listen to me and design a plan that turned out fantastic”

i've seen Dr. Koss for 3 rotator cuff surgeries and he has always taken the time to listen to my symptoms and pain and has always fixed the issues. this last time i am beyond happy with the entire process and can finally say i am pain free!

Suzanne S. 07/29/2026
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Verified Patient

“very proffesional.”

very happy with outcome of surgery.

Anonymous 05/27/2026
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Verified Patient

“I could not ask for more.”

I came to Dr. Koss for a second opinion and stuck around. He was very clear about my diagnosis and surgical options as well as non surgical options. My procedure was uneventful and I'm two months post op and soooo extremely glad I moved forward. I will be back for any future knee issues.

Pamela A. 12/09/2025
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Verified Patient

“Outstanding care! Second to none...”

Always felt I was treated with compassionate concern as an individual, not as "patient". My entire experience from diagnosis to outpatient surgery to recovery to follow up was outstanding. As one who has many procedures, I am speaking from 20 years of experience with lower extremity trauma with 26 prior procedures. Dr. Koss and his staff went above and beyond to help. Thank You!

Bill R. 03/31/2025
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Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    Dr. Stephen Koss, MD has not yet listed the medications that he commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    Dr. Stephen Koss, MD has not yet specified the insurance plans he accepts.