Susan S. Chen, PHARMACIST
Pharmacist · San Dimas, CA
Susan S. Chen, PHARMACIST is a pharmacist with a practice address in San Dimas, California, and NPI 1992188791, issued on Jun 30, 2015. Check the license (California RPH 44011, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Susan S. Chen
- Credential
- PHARMACIST
- Primary taxonomy
- Pharmacist 183500000X
- License number
- RPH 44011 CA
Self-reported in NPPES; status is on the state search - Practice location
- 220 E Bonita Ave, San Dimas, CA 91773
- Phone
- (909) 599-8874
- Enumerated
- Jun 30, 2015
- Record last updated
- Jun 30, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (909) 599-8843
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 220 E Bonita Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Scott Parrish, PHARMDPharmacist1932585437
- Nazanin SattariPharmacist1730937780
Verify Susan S. Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license RPH 44011Check 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, 100% of the cost of the top drugs
42 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 100% 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.
- Arexvy22 claims
- Shingrix16 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.
Susan S. Chen among 32,533 pharmacist records in California
Susan S. Chen, PHARMACIST 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 2015, is newer than 41% of them.
- NPI issued2015 · 41% of these records are older, 53% 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 updated2015 · 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).
41 pharmacist records list a practice address in San Dimas
They are 41 of the 942 NPPES records with a practice address in San Dimas, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in San Dimas → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Ahmad Almasri, R.PHSan Dimas, CA 917731669791661
- Yousef Bahdi, RPHSan Dimas, CA 917731669726899
- Mary Doss, PHARMACISTSan Dimas, CA 917731083935027
- Amritpal Grewal, PHARM.D.San Dimas, CA 917731609152115
- Marisol Isusquiza, PHARMDSan Dimas, CA 917731871876664
- Stephen Lau, PHARM.D.San Dimas, CA 917731154328268
- Lisa Park-Chang, PHARMDSan Dimas, CA 917731265718647
- Kirt Patel, PHARMD.San Dimas, CA 917731770608143
Common questions
What is Susan S. Chen, PHARMACIST's NPI number?
Susan S. Chen, PHARMACIST's National Provider Identifier (NPI) is 1992188791, issued on Jun 30, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Susan S. Chen, PHARMACIST located?
The NPPES record lists a practice address at 220 E Bonita Ave, San Dimas, CA, 91773. Phone: (909) 599-8874. Providers update this record themselves, so call before visiting.
How can I verify Susan S. Chen, PHARMACIST's license?
NPPES lists California license number RPH 44011, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Susan S. Chen, PHARMACIST prescribe under Medicare Part D?
In 2024, Susan S. Chen, PHARMACIST had 42 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.