Michelle Chien-Ju Ma, PHARM.D.
Pharmacist · Santa Clara, CA
Michelle Chien-Ju Ma, PHARM.D. is a pharmacist with a practice address in Santa Clara, California, and NPI 1215029111, issued on Sep 28, 2006. Check the license (California RPH53763, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michelle Chien-Ju Ma
- Credential
- PHARM.D.
- Primary taxonomy
- Pharmacist 183500000X
- License number
- RPH53763 CA
Self-reported in NPPES; status is on the state search - Practice location
- 710 Lawrence Expy, Santa Clara, CA 95051
- Phone
- (408) 851-3926
- Enumerated
- Sep 28, 2006
- Record last updated
- Dec 22, 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 →
Also registered at 710 Lawrence Expy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michelle Chien-Ju Ma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license RPH53763Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9.2 times the Medicare Part D claims of the average pharmacist in 2024
1,089 Medicare Part D claims for 183 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Atorvastatin Calcium170 claims
- Ozempic87 claims
- Metformin Hcl Er85 claims
- Metformin Hcl83 claims
- Glipizide64 claims
- Simvastatin53 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.
Michelle Chien-Ju Ma among 32,533 pharmacist records in California
Michelle Chien-Ju Ma, 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 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 94% 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).
266 pharmacist records list a practice address in Santa Clara
They are 266 of the 3,436 NPPES records with a practice address in Santa Clara, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Santa Clara → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Khanh-Linh Guerrero, PHARM.D.Santa Clara, CA 950511003917097
- Connie Ha, PHARM.D.Santa Clara, CA 950511760574743
- Ihn Han, RPHSanta Clara, CA 950511548247984
- Esther Kang-Kimm, PHARM.D.Santa Clara, CA 950511699868307
- Jing-Ing Lin-Kwok, PHARM.D.Santa Clara, CA 950511962595728
- Robyn Mah, PHARM.D.Santa Clara, CA 950511568554798
- Trilby Nguyen, PHARM DSanta Clara, CA 950511871687210
- Kathy Pham, PHARM.D.Santa Clara, CA 950511053404848
Common questions
What is Michelle Chien-Ju Ma, PHARM.D.'s NPI number?
Michelle Chien-Ju Ma, PHARM.D.'s National Provider Identifier (NPI) is 1215029111, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michelle Chien-Ju Ma, PHARM.D. located?
The NPPES record lists a practice address at 710 Lawrence Expy, Santa Clara, CA, 95051. Phone: (408) 851-3926. Providers update this record themselves, so call before visiting.
How can I verify Michelle Chien-Ju Ma, PHARM.D.'s license?
NPPES lists California license number RPH53763, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Michelle Chien-Ju Ma, PHARM.D. prescribe under Medicare Part D?
In 2024, Michelle Chien-Ju Ma, PHARM.D. had 1,089 Medicare Part D claims for 183 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.