Maythidin Ung, PHARMD
Pharmacist · Hayward, CA
Maythidin Ung, PHARMD is a pharmacist with a practice address in Hayward, California, and NPI 1679820773, issued on Aug 7, 2012. Check the license (California 68707, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maythidin Ung
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 68707 CA
Self-reported in NPPES; status is on the state search - Practice location
- 28505 Hesperian Blvd, Hayward, CA 94545
- Phone
- (510) 921-3135
- Enumerated
- Aug 7, 2012
- Record last updated
- Sep 16, 2022
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 28505 Hesperian Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jiayann HsiehPharmacist1669893459
- Soo Han Kwon, O.D.Optometrist1477994549
- Jasmine Yeh, RPH, MSPharmacist1346540051
Verify Maythidin Ung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 68707Check 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
56 Medicare Part D claims for 43 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.
- Shingrix26 claims
- Abrysvo21 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.
Maythidin Ung among 32,533 pharmacist records in California
Maythidin Ung, 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 2012, is newer than 28% of them.
- NPI issued2012 · 28% of these records are older, 68% 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 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).
150 pharmacist records list a practice address in Hayward
They are 150 of the 3,993 NPPES records with a practice address in Hayward, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Hayward → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- James Bateman, R.PH.Hayward, CA 945451205913787
- Lynn Frances Deguzman, PHARM.D.Hayward, CA 945451972603009
- Carmencita Deguzman, RPHHayward, CA 945451144385097
- Jenny Hong, RPHHayward, CA 945451700955747
- Nupur JainHayward, CA 945451679638175
- Mani Kammula, PHARMDHayward, CA 945451033273347
- Ling Kao, PHARM.D.Hayward, CA 945451679653026
- Christine Law, PHARMDHayward, CA 945451790858132
Common questions
What is Maythidin Ung, PHARMD's NPI number?
Maythidin Ung, PHARMD's National Provider Identifier (NPI) is 1679820773, issued on Aug 7, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Maythidin Ung, PHARMD located?
The NPPES record lists a practice address at 28505 Hesperian Blvd, Hayward, CA, 94545. Phone: (510) 921-3135. Providers update this record themselves, so call before visiting.
How can I verify Maythidin Ung, PHARMD's license?
NPPES lists California license number 68707, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Maythidin Ung, PHARMD prescribe under Medicare Part D?
In 2024, Maythidin Ung, PHARMD had 56 Medicare Part D claims for 43 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.