Simon Ahn
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Cudahy, CA
Simon Ahn is a pharmacist clinician (phc)/ clinical pharmacy specialist with a practice address in Cudahy, California, and NPI 1891074738, issued on Aug 9, 2011. Check the license (California 64331, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Simon Ahn
- Primary taxonomy
- Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist 1835P0018X
- License number
- 64331 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7825 Atlantic Ave, Cudahy, CA 90201
- Phone
- (323) 562-6567
- Enumerated
- Aug 9, 2011
- Record last updated
- Aug 9, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist clinician (phc)/ clinical pharmacy specialist records → All 1,593 in California → Look up another NPI →
Also registered at 7825 Atlantic Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paola Case, M.D.Family Medicine Physician1255647889
- Rodrigo Cifuentes, MDObstetrics & Gynecology Physician1417174988
- George FongPharmacist1205374436
- Sara Han, PHARM,D.Pharmacist1811434749
- Jeffrey Lee, M.D.Pediatrics Physician1831402833
- Jenny Lin, O.D.Optometrist1235368424
Verify Simon Ahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 64331Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average pharmacist clinician (phc)/ clinical pharmacy specialist in 2024
21 Medicare Part D claims for 19 beneficiaries, against an average of 253 among the 1,614 providers of this specialty who prescribed in Part D.
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.
Simon Ahn among 1,593 pharmacist clinician (phc)/ clinical pharmacy specialist records in California
Simon Ahn is one of 1,593 pharmacist clinician (phc)/ clinical pharmacy specialist records with a practice address in California. 17% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 20% of them.
- NPI issued2011 · 20% of these records are older, 71% newer
- In a Medicare fileYes · 17% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2011 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1835P0018X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 pharmacist clinician (phc)/ clinical pharmacy specialist record lists a practice address in Cudahy
They are 1 of the 67 NPPES records with a practice address in Cudahy, and 1,593 pharmacist clinician (phc)/ clinical pharmacy specialist records in California.
All 1,593 in California → Every provider in Cudahy → Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist nationwide →
The 8 pharmacist clinician (phc)/ clinical pharmacy specialist records with the nearest ZIP codes
- Tiffany Farshi, RPHBeverly Hills, CA 902101710526157
- Haleh MehdizadehBeverly Hills, CA 902101235098716
- Tania Gregorian, PHARMDBeverly Hills, CA 902111215205919
- Jacob Hanaie, PHARM.D.Beverly Hills, CA 902111255572319
- Tasneem Vazifdar, PHARMDBeverly Hills, CA 902111619238672
- Michael YeeCulver City, CA 902321235601642
- Mark Livingston, PHARM.D.Downey, CA 902401346510385
- Jacquelyn Mims, PHARM.D.Downey, CA 902401588088363
Common questions
What is Simon Ahn's NPI number?
Simon Ahn's National Provider Identifier (NPI) is 1891074738, issued on Aug 9, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Simon Ahn located?
The NPPES record lists a practice address at 7825 Atlantic Ave, Cudahy, CA, 90201. Phone: (323) 562-6567. Providers update this record themselves, so call before visiting.
How can I verify Simon Ahn's license?
NPPES lists California license number 64331, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Simon Ahn prescribe under Medicare Part D?
In 2024, Simon Ahn had 21 Medicare Part D claims for 19 beneficiaries; the average among pharmacist clinician (phc)/ clinical pharmacy specialist prescribers was 253. 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.