NPPES file of Aug 9, 2026

Ellen Chong

Pharmacist · Antioch, CA

Ellen Chong is a pharmacist with a practice address in Antioch, California, and NPI 1841522539, issued on Feb 4, 2010. Check the license (California 54819, 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
1841522539
Name
Ellen Chong
Primary taxonomy
Pharmacist 183500000X
License number
54819 CA
Self-reported in NPPES; status is on the state search
Practice location
4501 Sand Creek RD, Antioch, CA 94531
Phone
(925) 813-7280
Enumerated
Feb 4, 2010
Record last updated
Feb 4, 2010 (not updated in 16 years: call before relying on the address or phone)
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 4501 Sand Creek RD

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

  1. Triveni Abburi, M.D.Internal Medicine Physician1710267497
  2. Janel AfanadorPharmacist1356655880
  3. Rosilda AlvesClinical Psychologist1174670327
  4. Arnoldo Amador, RCPGeneral Care Registered Respiratory Therapist1487118436
  5. Veronica Arellano, RDRegistered Dietitian1740091354
  6. Lloyd Asuncion, MDInternal Medicine Physician1437353034

Verify Ellen Chong 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 54819
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Ellen Chong among 32,533 pharmacist records in California

Ellen Chong 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 not. Its NPI, issued in 2010, is newer than 12% of them.

  • NPI issued2010 · 12% of these records are older, 82% newer
  • In a Medicare fileNo · 15% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2010 · 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).

108 pharmacist records list a practice address in Antioch

They are 108 of the 2,184 NPPES records with a practice address in Antioch, and 32,533 pharmacist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 pharmacist records with the nearest ZIP codes

  1. Jodi Bryner, PHARM.D.Antioch, CA 945311205035441
  2. Joshua Cox, PHARM.D.Antioch, CA 945311710101480
  3. Caroline EvardoAntioch, CA 945311902127665
  4. Rohini Franco, RPHAntioch, CA 945311124348677
  5. Eunice Lee, PHARM.D.Antioch, CA 945311922285949
  6. Jatin Mehta, RPHAntioch, CA 945311649582305
  7. Welly Mente, PHARM.D.Antioch, CA 945311538221437
  8. Elizabeth Mok, PHARM. D.Antioch, CA 945311497075030

Common questions

What is Ellen Chong's NPI number?

Ellen Chong's National Provider Identifier (NPI) is 1841522539, issued on Feb 4, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Ellen Chong located?

The NPPES record lists a practice address at 4501 Sand Creek RD, Antioch, CA, 94531. Phone: (925) 813-7280. Providers update this record themselves, so call before visiting.

How can I verify Ellen Chong's license?

NPPES lists California license number 54819, 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.