Diego Ruiz, MD
NPI 1790727097 · Diagnostic Radiology Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diego Ruiz, MD is a Diagnostic Radiology Physician provider in Palo Alto, CA (NPI 1790727097).
Provider details
- NPI number
- 1790727097
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A73489 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
877 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Scan of Chest Without Contrast71250 | 113 | $176 |
| X-Ray of Chest, 2 Views71046 | 92 | $44 |
| Mri Scan of Leg Joint Without Contrast73721 | 60 | $267 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 55 | $250 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 52 | $413 |
| Ct Scan of Chest With Contrast71260 | 47 | $162 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-12
- Last updated
- 2020-07-15
- Certified
- 2020-07-15
Frequently asked questions
- What is Diego Ruiz's NPI number?
- Diego Ruiz's National Provider Identifier (NPI) is 1790727097, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diego Ruiz's specialty?
- Diego Ruiz is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Diego Ruiz located?
- Diego Ruiz's practice location on file with NPPES is 795 El Camino Real, Palo Alto, CA 94301-2302.
- What is Diego Ruiz's phone number?
- The practice phone number listed in the NPPES registry for Diego Ruiz is (650) 321-4121.
- Does Diego Ruiz accept Medicare?
- Diego Ruiz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diego Ruiz's NPI active?
- Yes — Diego Ruiz's NPI (1790727097) is active in the NPPES registry as of the last update on 2020-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.