NPPES file of Aug 9, 2026

Christopher C. Chang, PHARMD

Pharmacist · Oakland, CA

Christopher C. Chang, PHARMD is a pharmacist with a practice address in Oakland, California, and NPI 1780085837, issued on Sep 9, 2014. Check the license (California 71312, 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
1780085837
Name
Christopher C. Chang
Credential
PHARMD
Primary taxonomy
Pharmacist 183500000X
License number
71312 CA
Self-reported in NPPES; status is on the state search
Practice location
1800 Harrison St FL 13, Oakland, CA 94612
Phone
(510) 219-6352
Enumerated
Sep 9, 2014
Record last updated
Mar 1, 2022
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.
Download card Updates feed

8 nearest pharmacist records → All 32,533 in California → Look up another NPI →

Also registered at 1800 Harrison St FL 13

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

  1. Karen Cham, PHARM.D.Pharmacist1770031940
  2. Jocelyn ChanPharmacist1003328162
  3. Lucian Cheng, PHARM. D.Pharmacist1023358553
  4. Susan Deng, PHARMDPharmacist1821499880
  5. Denise Harano, PHARMDPharmacist1477959104
  6. Kim Lau, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1679776785

Verify Christopher C. Chang 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 71312    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Christopher C. Chang among 32,533 pharmacist records in California

Christopher C. Chang, PHARMD 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 2014, is newer than 35% of them.

  • NPI issued2014 · 35% of these records are older, 59% 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 updated2022 · 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).

413 pharmacist records list a practice address in Oakland

They are 413 of the 18,558 NPPES records with a practice address in Oakland, and 32,533 pharmacist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 32,533 in California → Every provider in Oakland → Pharmacist nationwide →

The 8 pharmacist records with the nearest ZIP codes

  1. Thuy Bui, RPHOakland, CA 946121184715039
  2. Michael Gebru, PHARM D.Oakland, CA 946121235384132
  3. Nicholas Kostek, RPH, MSOakland, CA 946121669566154
  4. Nina Mossadegh, PHARMDOakland, CA 946121982849568
  5. Alejandra Narciso, PHARMACISTOakland, CA 946121750395992
  6. Minh Nguyen, PHARM.D.Oakland, CA 946121457448748
  7. Joann PhanOakland, CA 946121679676944
  8. Laurie Pon, PHARMDOakland, CA 946121629254636

Common questions

What is Christopher C. Chang, PHARMD's NPI number?

Christopher C. Chang, PHARMD's National Provider Identifier (NPI) is 1780085837, issued on Sep 9, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Christopher C. Chang, PHARMD located?

The NPPES record lists a practice address at 1800 Harrison St FL 13, Oakland, CA, 94612. Phone: (510) 219-6352. Providers update this record themselves, so call before visiting.

How can I verify Christopher C. Chang, PHARMD's license?

NPPES lists California license number 71312, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.