Olga Yashira Diaz
Emergency Medicine Physician · San Diego, CA
Olga Yashira Diaz is an emergency medicine physician with a practice address in San Diego, California, and NPI 1598128217, issued on Mar 30, 2016. Check the license (California A156210, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Olga Yashira Diaz
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A156210 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2004 Burroughs St, San Diego, CA 92111
- Phone
- (619) 787-2699
- Enumerated
- Mar 30, 2016
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190805000519); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Verify Olga Yashira Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A156210Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% more Medicare Part D claims than the average emergency medicine physician in 2024
395 Medicare Part D claims for 225 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 22 claims were for opioids.
Most prescribed
- Ondansetron Odt85 claims
- Cefuroxime53 claims
- Famotidine29 claims
- Dexamethasone20 claims
- Hydrocodone-Acetaminophen19 claims
- Doxycycline Hyclate16 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Cep America - CaliforniaBrawley, CA
- Team Physicians OF Northern California Medical Group IncLa Mesa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Olga Yashira Diaz among 7,751 emergency medicine physician records in California
Olga Yashira Diaz is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 75% of them.
- NPI issued2016 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2016 · median 2011 among the 4,560 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in San Diego → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Kevin Cabrera, DOSan Diego, CA 921111396464301
- Samer MetriSan Diego, CA 921111568116325
- Patrick Sheedy, MDSan Diego, CA 921111568164861
- Rodney Sidransky, MDSan Diego, CA 921111417212739
- Timothy Cannis, M.D.San Diego, CA 921101659373652
- Robert Curran, M.D.San Diego, CA 921101063414753
- Katrina John, M.B.B.CH.San Diego, CA 921101255569786
- Richard Prince, M.D.San Diego, CA 921101740282672
Common questions
What is Olga Yashira Diaz's NPI number?
Olga Yashira Diaz's National Provider Identifier (NPI) is 1598128217, issued on Mar 30, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Olga Yashira Diaz located?
The NPPES record lists a practice address at 2004 Burroughs St, San Diego, CA, 92111. Phone: (619) 787-2699. Providers update this record themselves, so call before visiting.
How can I verify Olga Yashira Diaz's license?
NPPES lists California license number A156210, 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.
How much does Olga Yashira Diaz prescribe under Medicare Part D?
In 2024, Olga Yashira Diaz had 395 Medicare Part D claims for 225 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Olga Yashira Diaz's MIPS final score?
The 2023 MIPS final score is 94.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.