Physician Profile
Walter A. Osias, M.D. practices diagnostic radiology in Los Angeles, CA. Walter is also listed as specializing in student in an organized health care education program. Medicare claims data shows Walter provided 51,245 services to 2,549 patients. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, injection, gadoterate meglumine, 0.1 ml, and injection, bupivicaine, not otherwise specified, 0.5 mg.
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.
11800 WILSHIRE BLVD
Los Angeles, CA 90025
399 E 21ST ST
San Bernardino, CA 92404
Within Diagnostic 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.
Abdomen & Pelvis
Bone & Joint
Brain & Head
Brain & nerves
Breast
Chest & Heart
General
Heart & blood vessels
Joint & bone
Liver & digestion
Lungs & breathing
Men's health
Neck & Thyroid
Nerve pain
Pelvic health
Spine
Spine & back
Vascular
Women's health
Abdominal imaging
Biopsies
Bone Density
Breast Imaging
CT Scan
Digestive & liver
Fluoroscopy
General imaging
Heart & blood vessels
Joint & bone
MRI
Nuclear Medicine
Pelvic imaging
Screening & Prevention
Spine & back
Ultrasound
Urinary & kidney
Women's health
X-Ray
51,245 services · 2,549 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Drainage of fluid from abdominal cavity using imaging guidance | Procedure | 49083 |
139 | More than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis before and after contrast | Imaging | 74178 |
228 | More than most peers in Diagnostic Radiology |
| Ct scan of chest before and after contrast | Imaging | 71270 |
203 | More than most peers in Diagnostic Radiology |
| Mri scan of leg joint without contrast | Imaging | 73721 |
164 | More often than most peers in Diagnostic Radiology |
| Nuclear medicine study from skull base to mid-thigh with ct scan | Imaging | 78815 |
155 | More often than most peers in Diagnostic Radiology |
| Ct scan of chest with contrast | Imaging | 71260 |
148 | More often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
147 | As often as other peers in Diagnostic Radiology |
| Ct scan of soft tissue of neck before and after contrast | Imaging | 70492 |
138 | More than most peers in Diagnostic Radiology |
| Mri scan of brain before and after contrast | Imaging | 70553 |
112 | More often than most peers in Diagnostic Radiology |
| Mri scan of abdomen before and after contrast | Imaging | 74183 |
93 | More often than most peers in Diagnostic Radiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Walter A. Osias is a radiologist in Los Angeles, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Walter A. Osias is listed at 11800 Wilshire Blvd, Los Angeles, CA 90025. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (310) 582-7900. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Walter A. Osias's National Provider Identifier is 1841576097. 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
Walter A. Osias attended Other, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
Walter A. Osias has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Walter A. Osias performs procedures including drainage of fluid from abdominal cavity using imaging guidance; reads or performs imaging such as ct scan of abdomen and pelvis before and after contrast and ct scan of chest before and after contrast. 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 Walter A. Osias. 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.