Summary

Dr. Stephen Koss is an orthopedic surgeon who earned his medical degree from the University of Virginia Medical School. He completed his residency training at Tufts Medical Center and UMass Memorial Medical Center, followed by specialized fellowship training in sports medicine orthopedic surgery at New England Medical Center and Tufts University. With 37 years of experience in orthopedic surgery, Dr. Koss is board certified in orthopedic surgery by the American Board of Orthopaedic Surgery. He provides care in English.

Dr. Koss practices at multiple locations throughout New Jersey, including Sparta, Morristown, Hackettstown, and Randolph, with hospital privileges at Hackettstown Medical Center. He specializes in treating joint pain, shoulder discomfort, and knee problems. His treatment approach includes physical therapy guidance, strength training programs, and hands-on manual therapy techniques. Patients rate Dr. Koss 4.7 out of 5 stars for his care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.7
  • 37 years of experience
  • 45 insurance plans accepted
  • speaks English
  • New England Medical Center / Tufts University
  • 82 written reviews
  • 1 award
  • 1 specialty
  • 7 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 5 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Awards

  • Vitals Preferred Provider

    • Vitals Preferred Provider Award
      • Preferred Provider badge recognizes providers that are committed to transparency, responsiveness and great service to patients, and have earned a high patient satisfaction rating.

  • Click for our Methodology

Office Locations

Dr Stephen Koss has 5 locations

Orthopedic Institute of New Jersey

376 Lafayette Rd Ste 202Sparta, NJ 07871
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Orthopedic Instiute of New Jersey

95 Madison Ave Ste 101Morristown, NJ 07960
Mon10:00 am - 8:00 pm
Tue8:00 am - 5:00 pm
Wed9:00 am - 8:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Orthopedic Institute of New Jersey - Hackettstown Urgent Care

108 Bilby Rd Ste 201Hackettstown, NJ 07840
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Orthopedic Institute of New Jersey

254B Mountain Ave Ste 201Hackettstown, NJ 07840
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Orthopedic Institute of New Jersey

711 Route 10 E Ste 100Randolph, NJ 07869
Mon8:00 am - 8:00 pm
Tue8:00 am - 8:00 pm
Wed8:00 am - 8:00 pm
Thu8:00 am - 8:00 pm
Fri8:00 am - 8:00 pm
SatClosed
SunClosed

Compare with Similar Doctors

Dr Stephen Koss, MD
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Dr Stephen Koss, MDDr. Samuel Jonathan Hess, MDPeter DeNoble, MD, FAAOSDavid Fred Ratliff, MD, FAAOS
Orthopedic SurgeryOrthopedic SurgeryOrthopedic SurgeryOrthopedic Surgery
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.7 
4.6 
4.8 
37 Years of Experience 27 Years of Experience 21 Years of Experience 21 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish Speaks English, Spanish Speaks English
Sparta , NJClifton , NJParamus , NJParsippany , NJ
Med School: University of Virginia Medical School Med School: Temple School of Medicine, Philadelphia, PA Med School: University Of Massachusetts Medical School Med School: Albert Einstein College Of Medicine Of Yeshiva University
Current Profile
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Insurance Plans Accepted by Dr Stephen Koss

  • 1199SEIU
  • AARP
  • Aetna
  • Aetna - HMO
  • Aetna - Medicare
  • Aetna - POS
  • Aetna - PPO
  • AmeriHealth
  • AmeriHealth - PPO
  • Blue Cross Blue Shield
  • Braven Health (Horizon Blue Cross Blue Shield of New Jersey)
  • CHAMPVA
  • CHAMPVA - HMO
  • Cigna
  • Cigna - HMO
  • Cigna - POS
  • Cofinity
  • EmblemHealth
  • EmblemHealth - HMO
  • First Health (Coventry Health Care)
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • Independence Blue Cross
  • Integra - Workers’ Compensation
  • Liberty Mutual - Workers’ Compensation
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicaid (Managed)
  • Medicare - Medicare
  • Meritain Health
  • MVP Health Care
  • Nationwide - Workers’ Compensation
  • Oscar Health Insurance
  • Palmetto GBA
  • Palmetto GBA - Medicare
  • STLDentalPlan| LLC
  • Travelers - Workers’ Compensation
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - Medicare
  • UnitedHealthcare Community Plan
  • UnitedHealthcare Oxford
  • US Family Health Plan

Medical Specialties

Dr Stephen Koss has the following specialty

Specialty Expertise

Dr Stephen Koss has the following 7 areas of expertise

  • Arthritis
  • Bunions (Hallux Valgus)
  • Carpal Tunnel Syndrome
  • Knee Osteoarthritis
  • Neck Pain
  • Osteoarthritis (Hand and Wrist)
  • Sports Injuries

Certifications, License, & Education

37 Years Experience

Dr Stephen Koss holds an active medical license in the state of New Jersey. They are board certified in Orthopaedic Surgery by the American Board of Orthopaedic Surgery.

Board Certifications

Board certified in Orthopaedic Surgery by the American Board of Orthopaedic Surgery.

Medical License

Medical Doctor with an active medical license in the state of New Jersey that expires in 2027.

Education & Training

Fellowship

Completed their fellowship at New England Medical Center / Tufts University.

Residency

Completed their residency at Tufts Medical Center (New England) Program, New England Med Ctr Hosps, Sports Medicine-Orthopedic Surgery; U Ma Mem Hlthcare-Univ Campus, Orthopedic Surgery, and UMass Memorial Medical Center.

Medical School

Graduated from University of Virginia Medical School in 1989 and University of Va Sch of Med, Charlottesville Va in 1989.

NPI Number

Dr Koss' NPI number is 1265482897.

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Frequently Asked Questions

How can I make an appointment with Dr Stephen Koss?
You can find contact information for Dr Stephen Koss here on Vitals.
Which hospitals is Dr Stephen Koss affiliated with?
Dr Stephen Koss is affiliated with Hackettstown Medical Center.
Does Dr Stephen Koss accept my insurance?
You can see the insurance plans that Dr Stephen Koss accepts on their Vitals profile.
What languages does Dr Stephen Koss speak?
Dr Stephen Koss speaks English.
Where is Dr Stephen Koss's office located?
Dr Stephen Koss's office is located at 376 Lafayette Rd Ste 202, Sparta, NJ, 07871.

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