Robert Diaz, M.D.
Student in an Organized Health Care Education/Training Program · San Jose, CA
Robert Diaz, M.D. is a student in an organized health care education/training program with a practice address in San Jose, California, and NPI 1912240946, issued on Mar 27, 2013. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert Diaz
- Credential
- M.D.
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 751 S Bascom Ave, San Jose, CA 95128
- Phone
- (408) 885-6300
- Enumerated
- Mar 27, 2013
- Record last updated
- Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20181205002715); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 40,652 in California → Look up another NPI →
Also registered at 751 S Bascom Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cherine Abu-Eid, MDAnesthesiology Physician1033173307
- Pallavi AcharyaClinical Social Worker1154807873
Verify Robert 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
55% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
84 Medicare Part D claims for 58 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Meloxicam43 claims
- Celecoxib20 claims
- Naproxen11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Permanente Medical Group IncSanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Diaz among 40,652 student in an organized health care education/training program records in California
Robert Diaz, M.D. is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 7% of them.
- NPI issued2013 · 7% of these records are older, 91% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileYes · 6% of these records are
- Graduated2013 · median 2017 among the 2,409 with a school on file
- Record last updated2021 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
687 student in an organized health care education/training program records list a practice address in San Jose
They are 687 of the 20,925 NPPES records with a practice address in San Jose, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in San Jose → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Yoko Barraca, M.A.San Jose, CA 951281922333533
- John BarretoSan Jose, CA 951281720223985
- Tony Chen, M.D.San Jose, CA 951281063688372
- Solomon EnowSan Jose, CA 951281518299221
- Lynn Hwu, M.A.San Jose, CA 951281346379690
- Djana Celine Jose Reloba, M.D.San Jose, CA 951281598909806
- Melissa Lee, M.D.San Jose, CA 951281649420068
- Helen Liu, M.D.San Jose, CA 951281801022876
Common questions
What is Robert Diaz, M.D.'s NPI number?
Robert Diaz, M.D.'s National Provider Identifier (NPI) is 1912240946, issued on Mar 27, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Robert Diaz, M.D. located?
The NPPES record lists a practice address at 751 S Bascom Ave, San Jose, CA, 95128. Phone: (408) 885-6300. Providers update this record themselves, so call before visiting.
How can I verify Robert Diaz, M.D.'s license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Robert Diaz, M.D. prescribe under Medicare Part D?
In 2024, Robert Diaz, M.D. had 84 Medicare Part D claims for 58 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. Part D covers Medicare prescriptions 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. 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.