Diana Vishnevetsky, PHARMD
Pharmacist · San Marcos, CA
Diana Vishnevetsky, PHARMD is a pharmacist with a practice address in San Marcos, California, and NPI 1174065478, issued on Nov 17, 2016. Check the license (California 56722, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diana Vishnevetsky
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 56722 CA
Self-reported in NPPES; status is on the state search - Practice location
- 725 Center Dr, San Marcos, CA 92069
- Phone
- (760) 871-6868
- Enumerated
- Nov 17, 2016
- Record last updated
- Nov 17, 2016 (not updated in 10 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 725 Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- John Han, PHARM.D.Pharmacist1770980500
- Peni Hoang, PHARM.D.Pharmacist1174899843
- Andrew KaewtavornPharmacist1841968385
- Christine Lucas, PHARMDPharmacist1427549633
Verify Diana Vishnevetsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 56722Check 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
57 Medicare Part D claims for 45 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 86% 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.
- Abrysvo23 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.
Diana Vishnevetsky among 32,533 pharmacist records in California
Diana Vishnevetsky, 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 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 updated2016 · 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).
96 pharmacist records list a practice address in San Marcos
They are 96 of the 1,985 NPPES records with a practice address in San Marcos, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in San Marcos → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Michael Creason, PHARMDSan Marcos, CA 920691275906133
- Ghassan El KhourySan Marcos, CA 920691386017739
- Jennifer Freeling, RPHSan Marcos, CA 920691235536848
- John Han, PHARM.D.San Marcos, CA 920691770980500
- Peni Hoang, PHARM.D.San Marcos, CA 920691174899843
- Linh Hocannson, PHARM.DSan Marcos, CA 920691336531284
- Tony Hutchily, PHARM.DSan Marcos, CA 920691770957243
- Cynthia Johnson, PHARM.DSan Marcos, CA 920691598753055
Common questions
What is Diana Vishnevetsky, PHARMD's NPI number?
Diana Vishnevetsky, PHARMD's National Provider Identifier (NPI) is 1174065478, issued on Nov 17, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Diana Vishnevetsky, PHARMD located?
The NPPES record lists a practice address at 725 Center Dr, San Marcos, CA, 92069. Phone: (760) 871-6868. Providers update this record themselves, so call before visiting.
How can I verify Diana Vishnevetsky, PHARMD's license?
NPPES lists California license number 56722, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Diana Vishnevetsky, PHARMD prescribe under Medicare Part D?
In 2024, Diana Vishnevetsky, PHARMD had 57 Medicare Part D claims for 45 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.