Physician Profile
Unclaimed ProfileAbout RUIZ
Based in Palo Alto, CA, Diego Ruiz, MD is listed in the NPI registry under diagnostic radiology. Diego graduated from University of California, San Francisco School of Medicine in 1999. Medicare claims data shows Diego provided 17,637 services to 951 patients.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (650) 321-4121
- Email not available
Practice Locations
795 EL CAMINO REAL DEPARTMENT OF RADIOLOGY
Palo Alto, CA 94301
Procedures Most Often Billed to Medicare
17,637 services · 951 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ct scan of chest without contrast | Imaging | 71250 |
113 |
| X-ray of chest, 2 views | Imaging | 71046 |
92 |
| Mri scan of leg joint without contrast | Imaging | 73721 |
60 |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
55 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
52 |
| Mri scan of arm joint without contrast | Imaging | 73221 |
47 |
| Ct scan of chest with contrast | Imaging | 71260 |
47 |
| Ct scan of heart with evaluation of blood vessel calcium | Imaging | 75571 |
36 |
| Mri scan of brain without contrast | Imaging | 70551 |
35 |
| X-ray of knee, 4 or more views | Imaging | 73564 |
33 |
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 Palo Alto 8
Same specialty, same city.
Trained at University of California, San Francisco School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1999 at University of California, San Francisco School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Ct scan of chest without contrast 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Ruiz specialize in?
Dr. Ruiz is a diagnostic radiology in Palo Alto, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
Where is Dr. Ruiz located?
Dr. Ruiz is listed at 795 EL CAMINO REAL DEPARTMENT OF RADIOLOGY, Palo Alto, CA 94301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Ruiz's phone number?
The number on file is (650) 321-4121. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Ruiz?
Dr. Ruiz's National Provider Identifier is 1790727097. 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
Where did Dr. Ruiz go to medical school?
Dr. Ruiz attended University of California, San Francisco School of Medicine, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Ruiz have?
Dr. Ruiz has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Ruiz do most often?
According to Medicare billing data, Dr. Ruiz performs imaging including ct scan of chest without contrast and x-ray of chest, 2 views. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Ruiz's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ruiz. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.