Physician Profile
Joseph A. Karam, MD practices trauma surgery in Northridge, CA. Joseph is a 1987 graduate of Jefferson Medical College of Thomas Jefferson University. Joseph is also listed as specializing in surgery. According to Medicare claims data, Joseph cared for 72 Medicare patients across 75 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, and critical care, first 30-74 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
18300 ROSCOE BLVD
Northridge, CA 91325
75 services · 72 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
33 | As often as other peers in Trauma Surgery |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
27 | As often as other peers in Trauma Surgery |
| Critical care, first 30-74 minutes | Office visit | 99291 |
15 | Less often than most peers in Trauma Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Karam is a trauma surgeon in Northridge, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Trauma Surgery”.
NPI registry
Dr. Karam is listed at 18300 Roscoe Blvd, Northridge, CA 91325. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (818) 825-8500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Karam's National Provider Identifier is 1922097054. 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. Karam attended Jefferson Medical College of Thomas Jefferson University, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
Dr. Karam has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Karam 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. Karam. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.