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Dr. Stephen Koss, MD

Dr. Stephen Koss, MD

Family Sports Medicine*
35+ years of experience

Dr. Stephen Koss, MD is a sports family medicine physician in Sparta, NJ and has over 35 years of experience in the medical field. Dr. Koss has extensive experience in Shoulder & Upper Arm Surgery. He graduated from University of Virginia School of Medicine in 1989. He is affiliated with medical facilities such as Morristown Medical Center and St. Luke's Hospital-Warren Campus. He is accepting new patients.

4.6 Star Rating
Based on 162 reviews 4.6 Star Rating (162 reviews)

Orthopedic Institute of New Jersey

376 Lafayette Rd Ste 202 Sparta, NJ 07871

At a Glance

  • Area of Expertise
    Dr. Koss specializes in the area of Orthopedic Surgery. See board certifications
  • Explains Conditions Well
    Patients said this doctor explains conditions well. See reviews
  • Practices at Top Hospital
    America's 100 Best Hospitals Award™ See hospitals
  • Recent Reviews
    Reviews made in the last 30 days. See reviews
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Dr. Koss' Reviews

Likelihood to recommend Dr. Koss

4.6

162 ratings, 126 with a written review
5 Star
88%
88%
4 Star
1%
1%
3 Star
0%
0%
2 Star
1%
1%
1 Star
10%
10%

Your trust is our top concern. Learn more.

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RecentHighestLowestMost Helpful
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Josh K. – Apr 22, 2025
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What went well
  • Appointment scheduling
  • Explained conditions well
  • Wait times
What could be improved
  • I didn't feel respected
  • Didn't listen or answer questions
  • Staff wasn't friendly
  • Appointment was rushed
  • Didn't trust the provider's decisions
Helpful
Feb 04, 2025
×Post a ResponseAre you Dr. Stephen Koss, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Jayne C. – Jan 28, 2025
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Robert B. – Jan 14, 2025
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What went well
  • Appointment scheduling
  • Staff friendliness
What could be improved
  • I didn't feel respected
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Didn't trust the provider's decisions
Helpful
Jan 11, 2025
×Post a ResponseAre you Dr. Stephen Koss, MD?
What went well
  • Listened & answered questions
  • Explained conditions well
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Andrea C. – Aug 14, 2024
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Janet D. – Aug 13, 2024
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What went well
  • Appointment scheduling
  • Staff friendliness
  • Wait times
What could be improved
  • I didn't feel respected
  • Didn't listen or answer questions
  • Didn't trust the provider's decisions
Helpful
Aug 07, 2024
×Post a ResponseAre you Dr. Stephen Koss, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Patricia T. – Jul 31, 2024
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Denise O. – Jun 19, 2024
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
1 person found this helpful
Helpful
Michael W. – Jun 11, 2024
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Alexander H. – Apr 02, 2024
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Dan L. – Dec 19, 2023
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Sean W. – Dec 12, 2023
×Post a ResponseAre you Dr. Stephen Koss, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Douglas M. – Nov 07, 2023
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Alison P. – Oct 17, 2023
×Post a ResponseAre you Dr. Stephen Koss, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Thane B. – Sep 05, 2023
×Post a ResponseAre you Dr. Stephen Koss, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Joyce F. – Aug 29, 2023
×Post a ResponseAre you Dr. Stephen Koss, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Angela T. – Aug 22, 2023
Angela, we appreciate your feedback. Thank you...Read More
×Post a ResponseAre you Dr. Stephen Koss, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
John C. – Jul 25, 2023
John, we appreciate your feedback. Thank you for...Read More
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Leave a review

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About Me

care philosophy

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 Surgery.\n\nDr Koss has been recognized as America's...read more

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 Surgery.\n\nDr. Koss has been recognized as America's...read more
  • Family Sports Medicine

  • Orthopedic Surgery

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • New England Medical Center Hosps

    Residency Hospital
  • University Ma Mem Hlthcare University Campus

    Residency Hospital
  • New England Med Ctr/tufts University

    Fellowship Hospital, 1996
  • New England Medical Center

    Fellowship Hospital, 1996
  • University Mass Medical Center

    Residency Hospital, 1995
  • University Mass Medical Center

    Internship Hospital, 1990
  • University Of Virginia School Of Medicine

    Medical School, 1989
American Board of Medical Specialties®
American Board of Orthopaedic Surgery®
Orthopedic Surgery
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.
  • Rated Top Doctor 2012-2013, 2012-2013

Locations

Orthopedic Institute of New Jersey

Orthopedic Institute of New Jersey376 Lafayette Rd Ste 202 Sparta, NJ 07871
1
  • Call
  • Fax
  • Hours
    • 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
    • Sat: closed
    • Sun: closed
  • Directions
Orthopedic Institute of New Jersey222 High St Ste 202 Newton, NJ 07860
2
  • Call
  • Fax
  • Hours
    • Mon: 10:00am - 8:00pm
    • Tue: 9:00am - 5:00pm
    • Wed: 9:00am - 5:00pm
    • Thu: 9:00am - 5:00pm
    • Fri: 9:00am - 5:00pm
    • Sat: closed
    • Sun: closed
  • Directions
Orthopedic Institute of New Jersey218 Ridgedale Ave Ste 202 Cedar Knolls, NJ 07927
3
  • Call
  • Fax
  • Hours
    • Mon: 10:00am - 8:00pm
    • Tue: 9:00am - 5:00pm
    • Wed: 8:00am - 5:00pm
    • Thu: 12:00pm - 8:00pm
    • Fri: 9:00am - 5:00pm
    • Sat: closed
    • Sun: closed
  • Directions
Orthopedic Institute of New Jersey254B Mountain Ave Ste 201 Hackettstown, NJ 07840
4
Orthopedic Institute of New Jersey711 Route 10 E Ste 100 Randolph, NJ 07869
5
  • Call
  • Fax
  • Hours
    • 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
    • Sat: closed
    • Sun: closed
  • Directions

Orthopedic Institute of New Jersey - Hackettstown Urgent Care

Orthopedic Institute of New Jersey - Hackettstown Urgent Care108 Bilby Rd Ste 201 Hackettstown, NJ 07840
6
  • Call
  • Fax
  • Hours
    • Mon: 8:00am - 8:00pm
    • Tue: 8:00am - 5:00pm
    • Wed: 8:00am - 5:00pm
    • Thu: 8:00am - 5:00pm
    • Fri: 8:00am - 5:00pm
    • Sat: closed
    • Sun: closed
  • Directions

Orthopedic Instiute of New Jersey

Orthopedic Instiute of New Jersey95 Madison Ave Ste 101 Morristown, NJ 07960
7
  • Call
  • Fax
  • Hours
    • 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
    • Sat: closed
    • Sun: closed
  • Directions

Affiliated Hospitals

  • Morristown Medical Center

    100 Madison Ave
    Morristown, NJ 07960
    Recipient of 55
    hospital awards

    America's 100 Best Hospitals Award™ (2025, 2024, 2023)

    Top 5% in the nation for consistently delivering clinical quality

    America's 250 Best Hospitals Award™ (2025, 2024, 2023)

    Top 5% in the nation for consistently delivering clinical quality

    View all awards

    How patients felt about the care they received at this hospital.

    87%
    Patients said they were given information about recovering at home

    3% higher than the national average

    80%
    Patients would recommend the hospital to friends and family

    15% higher than the national average

    View all patient feedback
  • St. Luke's Hospital-Warren Campus

    185 Roseberry St
    Phillipsburg, NJ 08865
    Recipient of 4
    hospital awards

    Patient Safety Excellence Award™ (2025, 2024, 2023)

    Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

    Outstanding Patient Experience Award™ (2024)

    Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

    View all awards

    How patients felt about the care they received at this hospital.

    90%
    Patients said they were given information about recovering at home

    6% higher than the national average

    84%
    Patients said that nurses always listened to them and explained things well

    9% higher than the national average

    View all patient feedback
  • Newton Medical Center

    175 High St
    Newton, NJ 07860
    Recipient of 14
    hospital awards

    Patient Safety Excellence Award™ (2024, 2023)

    Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

    View all awards

    How patients felt about the care they received at this hospital.

    85%
    Patients said they were given information about recovering at home

    1% higher than the national average

    75%
    Patients said that nurses always listened to them and explained things well
    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality