Hei Sun Ahn
Pharmacist · Watsonville, CA
Hei Sun Ahn is a pharmacist with a practice address in Watsonville, California, and NPI 1578095659, issued on Mar 29, 2017. Check the license (California 36412, 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
- Hei Sun Ahn
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 36412 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1931 Main St, Watsonville, CA 95076
- Phone
- (831) 768-6700
- Enumerated
- Mar 29, 2017
- Entity
- Type 1 · individual
Also registered at 1931 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexander Friedman, MDSurgery Physician1205332079
- Mark Mendiola, PHARMDAmbulatory Care Pharmacist1114492022
- Victor Salazar Castillo, MDFamily Medicine Physician1619263993
- Kristen Smith, PH DPsychologist1861747446
- Abraham Vela, MDAdult Medicine Physician1043717283
Verify Hei Sun 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 36412Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
19 pharmacist records list a Watsonville practice address
They are 19 of the 1,044 NPPES records with a Watsonville practice address, and 32,698 pharmacist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 19 in Watsonville → All 32,698 in California → Every provider in Watsonville →
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 Hei Sun Ahn's NPI number?
Hei Sun Ahn's National Provider Identifier (NPI) is 1578095659, issued on Mar 29, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Hei Sun Ahn located?
The NPPES record lists a practice address at 1931 Main St, Watsonville, CA, 95076. Phone: (831) 768-6700. Providers update this record themselves, so call before visiting.
How can I verify Hei Sun Ahn's license?
NPPES lists California license number 36412, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.