Physician Profile
Unclaimed ProfileAbout RYAN
Based in Vallejo, CA, Hillary Boortz Ryan, MD is listed in the NPI registry under diagnostic radiology. Hillary graduated from University of Texas Medical Branch at Galveston in 2008.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Ryan's specialty?
Dr. Ryan is a diagnostic radiology in Vallejo, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
Where can I find Dr. Ryan?
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
How do I contact Dr. Ryan?
The number on file is (707) 651-1400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Ryan?
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
What is Dr. Ryan's medical education?
Dr. Ryan attended University of Texas Medical Branch at Galveston, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Ryan have?
Dr. Ryan has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Ryan known for?
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
Is Dr. Ryan's profile verified?
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (707) 651-1400
- Email not available
Practice Locations
975 SERENO DR DEPARTMENT OF RADIOLOGY
Vallejo, CA 94589
Procedures Most Often Billed to Medicare
89 services · 82 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
35 |
| Ct scan head or brain without contrast | Imaging | 70450 |
33 |
| Screening mammography | Imaging | 77067 |
21 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other diagnostic radiology specialists in Vallejo 8
Same specialty, same city.
Trained at University of Texas Medical Branch at Galveston 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2008 at University of Texas Medical Branch at Galveston 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 1 view 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.