Daniel Koretsky, RPH
Pharmacist · Los Angeles, CA
Daniel Koretsky, RPH is a pharmacist with a practice address in Los Angeles, California, and NPI 1063732279, issued on Jun 10, 2010. Check the license (California 57356, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Daniel Koretsky
- Credential
- RPH
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 57356 CA
Self-reported in NPPES; status is on the state search - Practice location
- 226 N. Larchmont Blvd., Los Angeles, CA 90004
- Phone
- (323) 467-1366
- Enumerated
- Jun 10, 2010
- Record last updated
- Jun 10, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Verify Daniel Koretsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 57356Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 75% of the cost of the top drugs
79 Medicare Part D claims for 66 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 62% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Naloxone Hcl30 claims
- Shingrix25 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.
Daniel Koretsky among 32,533 pharmacist records in California
Daniel Koretsky, RPH 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 2010, is newer than 12% of them.
- NPI issued2010 · 12% of these records are older, 82% 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 updated2010 · 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 →
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Common questions
What is Daniel Koretsky, RPH's NPI number?
Daniel Koretsky, RPH's National Provider Identifier (NPI) is 1063732279, issued on Jun 10, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Koretsky, RPH located?
The NPPES record lists a practice address at 226 N. Larchmont Blvd., Los Angeles, CA, 90004. Phone: (323) 467-1366. Providers update this record themselves, so call before visiting.
How can I verify Daniel Koretsky, RPH's license?
NPPES lists California license number 57356, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Daniel Koretsky, RPH prescribe under Medicare Part D?
In 2024, Daniel Koretsky, RPH had 79 Medicare Part D claims for 66 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.