NPPES file of Aug 9, 2026

Jungsuk Byun, PHARM

Pharmacist · San Leandro, CA

Jungsuk Byun, PHARM is a pharmacist with a practice address in San Leandro, California, and NPI 1174675029, issued on Jan 18, 2007. Check the license (California RPH40056, 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
1174675029
Name
Jungsuk Byun
Credential
PHARM
Primary taxonomy
Pharmacist 183500000X
License number
RPH40056 CA
Self-reported in NPPES; status is on the state search
Practice location
2500 Merced Street, San Leandro, CA 94577
Phone
(510) 454-1000
Enumerated
Jan 18, 2007
Record last updated
Aug 3, 2015 (not updated in 11 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 2500 Merced Street

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

  1. Brian Au, PHARM DPharmacist1497803670
  2. Jacob Bayani, C.R.N.ACertified Registered Nurse Anesthetist1285690446
  3. Mary Ann Bloyer, C.N.M.Advanced Practice Midwife1003952276
  4. Linda Chang, PHARM DPharmacist1629126826
  5. Chunting Chuang, PHARM DPharmacist1134394018
  6. Vijay Dave, PHARMPharmacist1043388440

Verify Jungsuk Byun 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 RPH40056
    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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132 pharmacist records list a practice address in San Leandro

They are 132 of the 4,976 NPPES records with a practice address in San Leandro, 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 Jungsuk Byun, PHARM's NPI number?

Jungsuk Byun, PHARM's National Provider Identifier (NPI) is 1174675029, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jungsuk Byun, PHARM located?

The NPPES record lists a practice address at 2500 Merced Street, San Leandro, CA, 94577. Phone: (510) 454-1000. Providers update this record themselves, so call before visiting.

How can I verify Jungsuk Byun, PHARM's license?

NPPES lists California license number RPH40056, 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.