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Edit this profileBased in Vallejo, CA, Hillary B. Ryan, MD is listed in the NPI registry under diagnostic radiology. Hillary graduated from University of Texas Medical Branch at Galveston in 2008. Medicare claims data shows Hillary provided 89 services to 82 patients. The services billed most often include x-ray of chest, 1 view, ct scan head or brain without contrast, and screening mammography. NPI 1245491349 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
975 SERENO DR DEPARTMENT OF RADIOLOGY
Vallejo, CA 94589
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
89 services · 82 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
35 | Less often than most peers in Diagnostic Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
33 | Less often than most peers in Diagnostic Radiology |
| Screening mammography | Imaging | 77067 |
21 | Less 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.
Dr. Ryan is a radiologist in Vallejo, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Dr. Ryan is listed at 975 Sereno Dr Department of Radiology, Vallejo, CA 94589. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (707) 651-1400. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Ryan's National Provider Identifier is 1245491349. 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. Ryan attended University of Texas Medical Branch at Galveston, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
Dr. Ryan has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Ryan performs imaging including x-ray of chest, 1 view and ct scan head or brain without 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 Dr. Ryan. If this is you, claiming it is free.
Guide.md
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