Ray George Diaz, CERTIFIED ORTHOTIST
Specialist · Pleasanton, CA
Ray George Diaz, CERTIFIED ORTHOTIST is a specialist with a practice address in Pleasanton, California, and NPI 1245655588, issued on Feb 24, 2014. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ray George Diaz
- Credential
- CERTIFIED ORTHOTIST
- Primary taxonomy
- Specialist 174400000X
- Practice location
- 4479 Stoneridge Dr, Pleasanton, CA 94588
- Phone
- (925) 484-6400
- Enumerated
- Feb 24, 2014
- Record last updated
- Feb 24, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 4479 Stoneridge Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leslie Cole, COFOrthotic Fitter1518156306
- Richard Nguyen, C.P.O.Orthotist1578841607
- Richard Sire, C.P.OProsthetist1245429976
- Kyle Sullivan, C.OOrthotist1669661641
Verify Ray George Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24 specialist records list a practice address in Pleasanton
They are 24 of the 2,213 NPPES records with a practice address in Pleasanton, and 5,749 specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 24 in Pleasanton → All 5,749 in California → Every provider in Pleasanton →
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Common questions
What is Ray George Diaz, CERTIFIED ORTHOTIST's NPI number?
Ray George Diaz, CERTIFIED ORTHOTIST's National Provider Identifier (NPI) is 1245655588, issued on Feb 24, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Ray George Diaz, CERTIFIED ORTHOTIST located?
The NPPES record lists a practice address at 4479 Stoneridge Dr, Pleasanton, CA, 94588. Phone: (925) 484-6400. Providers update this record themselves, so call before visiting.
How can I verify Ray George Diaz, CERTIFIED ORTHOTIST's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.