Yanyan Ma
Pharmacist · San Diego, CA
Yanyan Ma is a pharmacist with a practice address in San Diego, California, and NPI 1750783080, issued on Sep 18, 2014. Check the license (California 71284, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Yanyan Ma
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 71284 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3515 Del Mar Heights RD, San Diego, CA 92130
- Phone
- (858) 792-7040
- Enumerated
- Sep 18, 2014
- Record last updated
- Sep 23, 2014 (not updated in 12 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 3515 Del Mar Heights RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patrick Chan, PHARM.D.Pharmacist1881915999
- Toula Kontaxis, RPHPharmacist1235543679
- Robert VarelaPharmacist1780222612
- Kristen WalkerPharmacy Technician1124729231
Verify Yanyan 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 71284Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average pharmacist in 2024
32 Medicare Part D claims for 31 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 94% of 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.
Yanyan Ma among 32,533 pharmacist records in California
Yanyan Ma 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 2014, is newer than 35% of them.
- NPI issued2014 · 35% of these records are older, 59% 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 updated2014 · 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).
1,555 pharmacist records list a practice address in San Diego
They are 1,555 of the 52,937 NPPES records with a practice address in San Diego, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in San Diego → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Patrick Chan, PHARM.D.San Diego, CA 921301881915999
- Karen Easley, PHARM. D.San Diego, CA 921301780984310
- Tajinder GillSan Diego, CA 921301932427713
- Jane Ha, PHARMDSan Diego, CA 921301578863247
- Claire Hettinger, PHARMDSan Diego, CA 921301053611475
- Natalie Keil, PHARM.D.San Diego, CA 921301023390226
- Cary Levine, RPHSan Diego, CA 921301275833501
- Jeff Packer, RPHSan Diego, CA 921301609965193
Common questions
What is Yanyan Ma's NPI number?
Yanyan Ma's National Provider Identifier (NPI) is 1750783080, issued on Sep 18, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Yanyan Ma located?
The NPPES record lists a practice address at 3515 Del Mar Heights RD, San Diego, CA, 92130. Phone: (858) 792-7040. Providers update this record themselves, so call before visiting.
How can I verify Yanyan Ma's license?
NPPES lists California license number 71284, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Yanyan Ma prescribe under Medicare Part D?
In 2024, Yanyan Ma had 32 Medicare Part D claims for 31 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.