Diego Ruiz, MD
Diagnostic Radiology Physician · Palo Alto, CA
Diego Ruiz, MD is a diagnostic radiology physician with a practice address in Palo Alto, California, and NPI 1790727097, issued on Jun 12, 2006. Check the license (California A73489, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Diego Ruiz
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- A73489 CA
Self-reported in NPPES; status is on the state search - Practice location
- 795 EL Camino Real, Palo Alto, CA 94301
- Phone
- (650) 321-4121
- Enumerated
- Jun 12, 2006
- Record last updated
- Jul 15, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040330001871); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 795 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hamza AbbasiInternal Medicine Physician1821545484
- Arman Abdalkhani, MDOtolaryngology Physician1356536130
- Sara AbrahamsInternal Medicine Physician1952988354
- Nana Efua Adabie, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1437647732
- Amy Adams, M.D.Dermatology Physician1679643928
- William Adams, DPMFoot & Ankle Surgery Podiatrist1447487830
Verify Diego Ruiz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A73489Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Sutter Bay Medical FoundationPalo Alto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diego Ruiz among 4,500 diagnostic radiology physician records in California
Diego Ruiz, MD is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1999 · median 2004 among the 3,130 with a school on file
- Record last updated2020 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in California
There are 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Palo Alto → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Recha Bergstrom, MDPalo Alto, CA 943011821000456
- Julie Buckley, MDPalo Alto, CA 943011609887611
- Vida Campbell, M.D.Palo Alto, CA 943011912983735
- Tracey Dellaripa, MDPalo Alto, CA 943011093888133
- Cheryl Futerman, M.D.Palo Alto, CA 943011699709014
- Chris Goumas, MDPalo Alto, CA 943011710999693
- Alexander Habibian, MDPalo Alto, CA 943011073525978
- Robert Lamm, M.D.Palo Alto, CA 943011215949995
Common questions
What is Diego Ruiz, MD's NPI number?
Diego Ruiz, MD's National Provider Identifier (NPI) is 1790727097, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diego Ruiz, MD located?
The NPPES record lists a practice address at 795 EL Camino Real, Palo Alto, CA, 94301. Phone: (650) 321-4121. Providers update this record themselves, so call before visiting.
How can I verify Diego Ruiz, MD's license?
NPPES lists California license number A73489, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.