Chieh Chang, PHARMD
Pharmacist · Covina, CA
Chieh Chang, PHARMD is a pharmacist with a practice address in Covina, California, and NPI 1710519491, issued on Feb 10, 2020. Check the license (California 72006, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chieh Chang
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 72006 CA
Self-reported in NPPES; status is on the state search - Practice location
- 420 W Rowland St, Covina, CA 91723
- Phone
- (626) 966-9888
- Enumerated
- Feb 10, 2020
- Record last updated
- Feb 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (626) 966-1879
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 420 W Rowland St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Travis Boyer, FNPFamily Nurse Practitioner1265901870
- Annamari Cabrera, MDPediatrics Physician1881653434
Verify Chieh Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 72006Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs
24 Medicare Part D claims for 18 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Abrysvo11 claims
- Shingrix11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Chieh Chang among 32,533 pharmacist records in California
Chieh 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. Its NPI, issued in 2020, is newer than 73% of them.
- NPI issued2020 · 73% of these records are older, 21% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2020 · 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).
56 pharmacist records list a practice address in Covina
They are 56 of the 3,736 NPPES records with a practice address in Covina, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Covina → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Linda ChowCovina, CA 917231023674181
- Carol Fujii, PHARM.D.Covina, CA 917231073915583
- Zaki Hadaya, R.PH.Covina, CA 917231568612034
- Jessica HwangCovina, CA 917231477119733
- Edmund Lestari, RPHCovina, CA 917231851909592
- Teresa LimCovina, CA 917231700259397
- Aubrey LuCovina, CA 917231588496798
- Stephanie Waung, PHARM.D.Covina, CA 917231104336601
Common questions
What is Chieh Chang, PHARMD's NPI number?
Chieh Chang, PHARMD's National Provider Identifier (NPI) is 1710519491, issued on Feb 10, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Chieh Chang, PHARMD located?
The NPPES record lists a practice address at 420 W Rowland St, Covina, CA, 91723. Phone: (626) 966-9888. Providers update this record themselves, so call before visiting.
How can I verify Chieh Chang, PHARMD's license?
NPPES lists California license number 72006, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Chieh Chang, PHARMD prescribe under Medicare Part D?
In 2024, Chieh Chang, PHARMD had 24 Medicare Part D claims for 18 beneficiaries; the average among pharmacist prescribers was 119. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.