Sandra Siu, PHARM.D.
Pharmacist · Hollister, CA
Sandra Siu, PHARM.D. is a pharmacist with a practice address in Hollister, California, and NPI 1437446515, issued on Jul 8, 2011. Check the license (California 58591, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Sandra Siu
- Credential
- PHARM.D.
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 58591 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1790 Airline Hwy, Hollister, CA 95023
- Phone
- (831) 628-4824
- Enumerated
- Jul 8, 2011
- Entity
- Type 1 · individual
Also registered at 1790 Airline Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Clarke, PHARMDPharmacist1518377803
- Carolyn Pham, PHARMDPharmacist1548871635
Verify Sandra Siu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 58591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
22 pharmacist records list a practice address in Hollister
They are 22 of the 561 NPPES records with a practice address in Hollister, and 32,533 pharmacist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 22 in Hollister → All 32,533 in California → Every provider in Hollister →
Other pharmacist records in California
- Caroline A-Haja, PHARM.D.San Pedro, CA1851664361
- Gayatri AachiLivermore, CA1235660754
- Adrian Karlos Aala, PHARMD, RPHHayward, CA1023955499
- Mahshid Aalam, PHARMDLos Angeles, CA1659086155
- Jaleh AaliiveliSan Ramon, CA1336629963
- Cassi Aarvig, RPHTracy, CA1023679941
- Meara Michi AbadOrange, CA1750181178
- Nader Abadier, RPHFontana, CA1326255647
- Samia Abadier, RPHFontana, CA1548742836
- Sandy Abadir, RPHChino Hills, CA1811644412
Common questions
What is Sandra Siu, PHARM.D.'s NPI number?
Sandra Siu, PHARM.D.'s National Provider Identifier (NPI) is 1437446515, issued on Jul 8, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Sandra Siu, PHARM.D. located?
The NPPES record lists a practice address at 1790 Airline Hwy, Hollister, CA, 95023. Phone: (831) 628-4824. Providers update this record themselves, so call before visiting.
How can I verify Sandra Siu, PHARM.D.'s license?
NPPES lists California license number 58591, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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 27, 2026.