Mai Ong Mary Thao
Pharmacist · Rancho Cordova, CA
Mai Ong Mary Thao is a pharmacist with a practice address in Rancho Cordova, California, and NPI 1780456921, issued on Oct 23, 2023. Check the license (California 88796, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mai Ong Mary Thao
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 88796 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10881 Olson Dr, Rancho Cordova, CA 95670
- Phone
- (916) 503-2513
- Enumerated
- Oct 23, 2023
- Record last updated
- Aug 12, 2025
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 10881 Olson Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Johnny Chau, PHARMDPharmacist1356690606
- Christie Hall, PHARMDPharmacist1083383244
- Margie Leung, PHARM.D.Pharmacist1316288053
- Hussein Mussa, PHARMDPharmacist1730476532
- Nweni Naing, PHARMDPharmacist1427326537
Verify Mai Ong Mary Thao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 88796Check 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, 95% of the cost of the top drugs
136 Medicare Part D claims for 116 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were over 99% 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.
- Shingrix43 claims
- Abrysvo38 claims
- Arexvy29 claims
- Boostrix Tdap23 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.
Mai Ong Mary Thao among 32,533 pharmacist records in California
Mai Ong Mary Thao 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 2023, is newer than 88% of them.
- NPI issued2023 · 88% of these records are older, 8% 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 updated2025 · 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).
92 pharmacist records list a practice address in Rancho Cordova
They are 92 of the 872 NPPES records with a practice address in Rancho Cordova, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Rancho Cordova → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Sandra Connell, RPHGold River, CA 956701104035278
- Zachary Contreras, RPHRancho Cordova, CA 956701669554994
- Stan DeckwaRancho Cordova, CA 956701144541962
- Marco Gonzales, PHARM.D.Rancho Cordova, CA 956701265532832
- Kenneth Gosney, PHARMACISTRancho Cordova, CA 956701831252063
- Donald Gubbins, PHARM.D.Rancho Cordova, CA 956701184877458
- Edward Hanson, RPH.Rancho Cordova, CA 956701366452559
- Hossein Khanzadeh, PHARM.D.Rancho Cordova, CA 956701437460920
Common questions
What is Mai Ong Mary Thao's NPI number?
Mai Ong Mary Thao's National Provider Identifier (NPI) is 1780456921, issued on Oct 23, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Mai Ong Mary Thao located?
The NPPES record lists a practice address at 10881 Olson Dr, Rancho Cordova, CA, 95670. Phone: (916) 503-2513. Providers update this record themselves, so call before visiting.
How can I verify Mai Ong Mary Thao's license?
NPPES lists California license number 88796, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mai Ong Mary Thao prescribe under Medicare Part D?
In 2024, Mai Ong Mary Thao had 136 Medicare Part D claims for 116 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.