Physician Profile
Unclaimed ProfileAbout KOSS
Based in Hackettstown, NJ, Stephen D Koss, MD is listed in the NPI registry under orthopedic surgery. Stephen graduated from University of Virginia School of Medicine in 1989. Stephen is also listed as specializing in orthopaedic sports medicine. Medicare claims data shows Stephen provided 2,489 services to 404 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Koss specialize in?
Dr. Koss is an orthopedic surgeon in Hackettstown, NJ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ORTHOPEDIC SURGERY”.
NPI registry
Where is Dr. Koss located?
Dr. Koss is listed at 108 BILBY RD STE 201, Hackettstown, NJ 07840. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Koss's phone number?
The number on file is (908) 684-3005. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Koss?
Dr. Koss's National Provider Identifier is 1265482897. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Koss go to medical school?
Dr. Koss attended University of Virginia School of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Koss have?
Dr. Koss has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Koss do most often?
According to Medicare billing data, Dr. Koss performs procedures including aspiration and/or injection of fluid from large joint and prosthetic repair of shoulder joint, total shoulder; reads or performs imaging such as x-ray of shoulder, minimum of 2 views and x-ray of knee, 3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Koss's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Koss. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (908) 684-3005
- Email not available
Practice Locations
108 BILBY RD STE 201
Hackettstown, NJ 07840
Procedures Most Often Billed to Medicare
2,489 services · 404 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
83 |
| Prosthetic repair of shoulder joint, total shoulder | Procedure | 23472 |
15 |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
31 |
| X-ray of knee, 3 views | Imaging | 73562 |
19 |
| X-ray of knee, 4 or more views | Imaging | 73564 |
17 |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
2,040 |
| Injection, methylprednisolone acetate, 40 mg | Drug given | J1030 |
32 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
147 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
80 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other orthopedic surgeons at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 26 related providers in 4 groups
Other orthopedic surgeons in Hackettstown 2
Same specialty, same city.
Trained at University of Virginia School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at University of Virginia School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in NJ who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.