Ricardo Alonso Diaz, PHARMD
Pharmacist · Los Angeles, CA
Ricardo Alonso Diaz, PHARMD is a pharmacist with a practice address in Los Angeles, California, and NPI 1932953718, issued on Apr 16, 2024. Check the license (California 87049, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ricardo Alonso Diaz
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 87049 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4650 W Sunset Blvd, Los Angeles, CA 90027
- Phone
- (323) 660-2450
- Enumerated
- Apr 16, 2024
- Record last updated
- Apr 16, 2024
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 4650 W Sunset Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ricardo Alonso Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 87049Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average pharmacist in 2024
68 Medicare Part D claims for 38 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Ondansetron Hcl40 claims
- Olanzapine18 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.
Ricardo Alonso Diaz among 32,533 pharmacist records in California
Ricardo Alonso Diaz, PHARMD is one of 32,533 pharmacist records with a practice address in California. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 92% of them.
- NPI issued2024 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2024 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,765 pharmacist records list a practice address in Los Angeles
They are 1,765 of the 69,537 NPPES records with a practice address in Los Angeles, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Los Angeles → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Joseph AmeduriLos Angeles, CA 900271851486252
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- Timothy Casebeer, PHARM.DLos Angeles, CA 900271053406918
- May ChanLos Angeles, CA 900271578658415
- Helen Chun, PHARM.D.Los Angeles, CA 900271982798617
- Elaine Fujimoto, PHARMDLos Angeles, CA 900271578657060
- Sorin Kazangian, PHARM.D.Los Angeles, CA 900271306939889
- Alice Kislik, PHARM.DLos Angeles, CA 900271376637363
Common questions
What is Ricardo Alonso Diaz, PHARMD's NPI number?
Ricardo Alonso Diaz, PHARMD's National Provider Identifier (NPI) is 1932953718, issued on Apr 16, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Ricardo Alonso Diaz, PHARMD located?
The NPPES record lists a practice address at 4650 W Sunset Blvd, Los Angeles, CA, 90027. Phone: (323) 660-2450. Providers update this record themselves, so call before visiting.
How can I verify Ricardo Alonso Diaz, PHARMD's license?
NPPES lists California license number 87049, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ricardo Alonso Diaz, PHARMD prescribe under Medicare Part D?
In 2024, Ricardo Alonso Diaz, PHARMD had 68 Medicare Part D claims for 38 beneficiaries; the average among pharmacist prescribers was 119. 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.