David J Greifinger, M.D. practises orthopedic surgery in Belleville, NJ. David is a 1973 graduate of University of Maryland School of Medicine. David is also listed as specialising in orthopaedic surgery.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Greifinger is an orthopedic surgeon in Belleville, NJ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ORTHOPEDIC SURGERY”.
NPI registry
Dr. Greifinger is listed at 36 NEWARK AVE STE 220, Belleville, NJ 07109. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (973) 759-8284. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Greifinger's National Provider Identifier is 1043213499. 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
Dr. Greifinger attended University of Maryland School of Medicine, graduating in 1973. This comes from the CMS National Downloadable File.
CMS public data
Dr. Greifinger has 53 years experience. Calculated from a graduation year of 1973, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Greifinger the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Greifinger. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
36 NEWARK AVE STE 220
Belleville, NJ 07109
36 services · 24 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
24 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Clinically related specialties at the same address — the people this provider most likely works alongside.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.