Physician Profile
Justin P. McWilliams, MD is a healthcare provider in Los Angeles, CA specializing in vascular & interventional radiology. Justin trained at University of California, Geffen School of Medicine, graduating in 2003. Justin is also listed as specializing in diagnostic radiology. Medicare claims data shows Justin provided 1,187 services to 856 patients. The services billed most often include review by radiologist of additional artery image, insertion of tube into abdominal, pelvic, or leg artery, initial third order branch, and review by radiologist of pelvis artery image.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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.
757 WESTWOOD PLZ 2ND FLOOR, SUITE 2125C
Los Angeles, CA 90095
2200 N Sepulveda Blvd
Manhattan Beach, CA 90266
100 Ucla Medical Plz Ste 100
Los Angeles, CA 90024
1245 16th St Ste 110
Santa Monica, CA 90404
Within Interventional Radiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Bone & Joint
Brain & Spine
Cancer
Digestive
Emergency vascular
Endocrine
Joint & bone pain
Kidney
Men's health
Pain
Respiratory
Vascular
Women's health
Most searched procedures
Bone & Joint
Brain & Spine
Cancer
Diagnostic
Digestive
Drainage
Emergency vascular
Endocrine
Joint & bone pain
Kidney
Kidney & Urinary
Men's health
Pain
Vascular
Vascular access
Women's health
1,187 services · 856 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch | Procedure | 36247 |
107 | More than most peers in Vascular & Interventional… |
| Insertion of tube into abdominal, pelvic, or leg artery, additional second, third, and beyond | Procedure | 36248 |
84 | More often than most peers in Vascular & Interventional… |
| Occlusion of growths or obstructed vessels with review by radiologist | Procedure | 37243 |
54 | More often than most peers in Vascular & Interventional… |
| Needle biopsy of kidney | Procedure | 50200 |
24 | More often than most peers in Vascular & Interventional… |
| Destruction of growth of liver through skin using radiofrequency | Procedure | 47382 |
15 | Too few peers to compare |
| Needle biopsy of liver through skin | Procedure | 47000 |
14 | As often as other peers in Vascular & Interventional… |
| Review by radiologist of additional artery image | Imaging | 75774 |
210 | More than most peers in Vascular & Interventional… |
| Review by radiologist of pelvis artery image | Imaging | 75736 |
100 | More than most peers in Vascular & Interventional… |
| Limited or follow-up ct scan | Imaging | 76380 |
49 | More than most peers in Vascular & Interventional… |
| 3d radiographic procedure with computerized image postprocessing | Imaging | 76377 |
49 | More often than most peers in Vascular & Interventional… |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. McWilliams is an interventional radiologist in Los Angeles, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Vascular & Interventional Radiology”.
NPI registry
Dr. McWilliams is listed at 757 Westwood Plz 2Nd Floor, Suite 2125C, Los Angeles, CA 90095. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (310) 301-6800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. McWilliams's National Provider Identifier is 1437292331. 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. McWilliams attended University of California, Geffen School of Medicine, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
Dr. McWilliams has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. McWilliams performs procedures including insertion of tube into abdominal, pelvic, or leg artery, initial third order branch, insertion of tube into abdominal, pelvic, or leg artery, additional second, third, and beyond and occlusion of growths or obstructed vessels with review by radiologist; reads or performs imaging such as review by radiologist of additional artery image and review by radiologist of pelvis artery image; provides treatments such as use of a drug to induce depression of consciousness by physician performing a procedure , initial 15 minutes, alongside routine visits and testing. 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. McWilliams. 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.