Physician Profile
Sean L. Johnston, M.D., PhD is a healthcare provider in Santa Ana, CA specializing in vascular & interventional radiology. Sean trained at Mayo Medical School, graduating in 1998. Sean is also listed as specializing in therapeutic radiology, diagnostic radiology, and radiology. According to Medicare claims data, Sean cared for 4,703 Medicare patients across 6,620 services. The services billed most often include injection, gadoteridol, (prohance multipack), per ml, x-ray of chest, 1 view, and dxa bone density measurement of hip, pelvis, spine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
2414 S FAIRVIEW ST STE 202B
Santa Ana, CA 92704
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
6,620 services · 4,703 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
1,267 |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
673 |
| X-ray of chest, 2 views | Imaging | 71046 |
343 |
| Ct scan head or brain without contrast | Imaging | 70450 |
252 |
| X-ray of hip, 2-3 views | Imaging | 73502 |
179 |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
178 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
158 |
| Ct scan of chest without contrast | Imaging | 71250 |
158 |
| X-ray of knee, 3 views | Imaging | 73562 |
157 |
| Complete ultrasound scan behind abdominal cavity | Imaging | 76770 |
156 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Sean L. Johnston, M.D. is an interventional radiologist in Santa Ana, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Vascular & Interventional Radiology”.
NPI registry
Sean L. Johnston, M.D. is listed at 2414 S Fairview St Ste 202B, Santa Ana, CA 92704. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (805) 300-6761. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Sean L. Johnston, M.D.'s National Provider Identifier is 1477581866. 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
Sean L. Johnston, M.D. attended Mayo Medical School, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
Sean L. Johnston, M.D. has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Sean L. Johnston, M.D. performs imaging including x-ray of chest, 1 view and dxa bone density measurement of hip, pelvis, spine; provides treatments such as ultrasound study of one arm or leg veins with compression and maneuvers. 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 Sean L. Johnston, M.D.. 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.