Dai Tan, PHARM.D.
Pharmacist · San Jose, CA
Dai Tan, PHARM.D. is a pharmacist with a practice address in San Jose, California, and NPI 1578910352, issued on May 20, 2016. Check the license (California 72998, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dai Tan
- Credential
- PHARM.D.
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 72998 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1721 Technology Dr FL 4, San Jose, CA 95110
- Phone
- (408) 436-3329
- Enumerated
- May 20, 2016
- Record last updated
- Dec 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Verify Dai Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 72998Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.8 times the Medicare Part D claims of the average pharmacist in 2024
691 Medicare Part D claims for 152 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Glipizide82 claims
- Metformin Hcl Er76 claims
- Metformin Hcl60 claims
- Atorvastatin Calcium58 claims
- Ozempic50 claims
- Breyna33 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.
Dai Tan among 32,533 pharmacist records in California
Dai Tan, PHARM.D. 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 2016, is newer than 47% of them.
- NPI issued2016 · 47% of these records are older, 47% 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 updated2021 · 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).
893 pharmacist records list a practice address in San Jose
They are 893 of the 20,925 NPPES records with a practice address in San Jose, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in San Jose → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Jeng-Yun Chen, PHARMDSan Jose, CA 951101568586311
- Robert Chiles, PHARMD.San Jose, CA 951101134612815
- Thanh Dao, PHARMDSan Jose, CA 951101083251003
- Rosa Leung, RPHSan Jose, CA 951101285921460
- Fontaine MaSan Jose, CA 951101508400995
- Nirav Makadia, PHARM DSan Jose, CA 951101013263904
- Alexander Nguyen, PHARMDSan Jose, CA 951101699499715
- Olivia Park, PHARMACISTSan Jose, CA 951101326774928
Common questions
What is Dai Tan, PHARM.D.'s NPI number?
Dai Tan, PHARM.D.'s National Provider Identifier (NPI) is 1578910352, issued on May 20, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Dai Tan, PHARM.D. located?
The NPPES record lists a practice address at 1721 Technology Dr FL 4, San Jose, CA, 95110. Phone: (408) 436-3329. Providers update this record themselves, so call before visiting.
How can I verify Dai Tan, PHARM.D.'s license?
NPPES lists California license number 72998, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Dai Tan, PHARM.D. prescribe under Medicare Part D?
In 2024, Dai Tan, PHARM.D. had 691 Medicare Part D claims for 152 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.