Physician Profile
John X. Nguyen, M.D. practices diagnostic radiology in Sacramento, CA. Medicare claims data shows John provided 7,952 services to 2,917 patients. The services billed most often include injection, gadobutrol, 0.1 ml, screening 3d breast mammography, and screening mammography.
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.
3161 L ST
Sacramento, CA 95816
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
7,952 services · 2,917 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of breast and placement of locating device using ultrasound, first growth | Procedure | 19083 |
37 | More often than most peers in Diagnostic Radiology |
| Biopsy of breast and placement of locating device using x-ray with needle, first growth | Procedure | 19081 |
18 | As often as other peers in Diagnostic Radiology |
| Placement of soft tissue locating device using x-ray, first growth | Procedure | 10035 |
12 | |
| Screening 3d breast mammography | Imaging | 77063 |
916 | More often than most peers in Diagnostic Radiology |
| Screening mammography | Imaging | 77067 |
915 | More often than most peers in Diagnostic Radiology |
| Diagnostic mammography of 1 breast | Imaging | 77065 |
147 | More often than most peers in Diagnostic Radiology |
| X-ray of chest, 1 view | Imaging | 71045 |
137 | |
| Limited ultrasound scan of 1 breast | Imaging | 76642 |
128 | More often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
90 | As often as other peers in Diagnostic Radiology |
| Diagnostic mammography of both breasts | Imaging | 77066 |
73 | As often as other peers in Diagnostic Radiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
John X. Nguyen is a radiologist in Sacramento, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
John X. Nguyen is listed at 3161 L St, Sacramento, CA 95816. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (185) 577-1033. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
John X. Nguyen's National Provider Identifier is 1679958953. 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
John X. Nguyen attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
John X. Nguyen has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, John X. Nguyen performs procedures including biopsy of breast and placement of locating device using ultrasound, first growth, biopsy of breast and placement of locating device using x-ray with needle, first growth and placement of soft tissue locating device using x-ray, first growth; reads or performs imaging such as screening 3d breast mammography and screening mammography. 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 John X. Nguyen. 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.