NPPES file of Aug 9, 2026

Esther Soo Yun Choi, PHARM. D.

Pharmacist · Walnut Creek, CA

Esther Soo Yun Choi, PHARM. D. is a pharmacist with a practice address in Walnut Creek, California, and NPI 1831476431, issued on Nov 9, 2011. Check the license (California RPH54182, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831476431
Name
Esther Soo Yun Choi
Credential
PHARM. D.
Primary taxonomy
Pharmacist 183500000X
License number
RPH54182 CA
Self-reported in NPPES; status is on the state search
Practice location
1871 N Main St, Walnut Creek, CA 94596
Phone
(925) 979-0095
Enumerated
Nov 9, 2011
Record last updated
Nov 9, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(925) 979-0095
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1871 N Main St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Samie ChePharmacist1245583772
  2. Susie Drahn, PHARMACISTPharmacist1336427319
  3. Jill Fanelli, PHARMDPharmacist1508166687
  4. Arti JaiswalPharmacist1649005935
  5. Rachel KanetaOptometrist1891072906
  6. Diya Manavalan, PHARMDPharmacist1326685413

Verify Esther Soo Yun Choi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license RPH54182
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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239 pharmacist records list a practice address in Walnut Creek

They are 239 of the 6,170 NPPES records with a practice address in Walnut Creek, and 32,533 pharmacist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pharmacist records in California

  1. Caroline A-Haja, PHARM.D.San Pedro, CA1851664361
  2. Gayatri AachiLivermore, CA1235660754
  3. Adrian Karlos Aala, PHARMD, RPHHayward, CA1023955499
  4. Mahshid Aalam, PHARMDLos Angeles, CA1659086155
  5. Jaleh AaliiveliSan Ramon, CA1336629963
  6. Cassi Aarvig, RPHTracy, CA1023679941
  7. Meara Michi AbadOrange, CA1750181178
  8. Nader Abadier, RPHFontana, CA1326255647
  9. Samia Abadier, RPHFontana, CA1548742836
  10. Sandy Abadir, RPHChino Hills, CA1811644412

Common questions

What is Esther Soo Yun Choi, PHARM. D.'s NPI number?

Esther Soo Yun Choi, PHARM. D.'s National Provider Identifier (NPI) is 1831476431, issued on Nov 9, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Esther Soo Yun Choi, PHARM. D. located?

The NPPES record lists a practice address at 1871 N Main St, Walnut Creek, CA, 94596. Phone: (925) 979-0095. Providers update this record themselves, so call before visiting.

How can I verify Esther Soo Yun Choi, PHARM. D.'s license?

NPPES lists California license number RPH54182, 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), file of Aug 9, 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 9, 2026.