Karen N. Zalesny, RPH
Pharmacist · San Luis Obispo, CA
Karen N. Zalesny, RPH is a pharmacist with a practice address in San Luis Obispo, California, and NPI 1629354105, issued on Oct 27, 2011. Check the license (California 43213, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen N. Zalesny
- Credential
- RPH
- Primary taxonomy
- Pharmacist 183500000X
- License numbers
- 43213 CA
2468 WY
Self-reported in NPPES; status is on the state search - Practice location
- 765 E Foothill Blvd, San Luis Obispo, CA 93405
- Phone
- (805) 549-5967
- Enumerated
- Oct 27, 2011
- Record last updated
- Oct 27, 2011 (not updated in 15 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 765 E Foothill Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria BaxterPharmacist1861659054
- Katrina Nguyen, PHARM.DPharmacist1114287356
Verify Karen N. Zalesny in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 43213Check 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, 90% of the cost of the top drugs
136 Medicare Part D claims for 131 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% 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.
- Shingrix44 claims
- Arexvy43 claims
- Boostrix Tdap37 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.
Karen N. Zalesny among 32,533 pharmacist records in California
Karen N. Zalesny, RPH 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 2011, is newer than 18% of them.
- NPI issued2011 · 18% of these records are older, 72% 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 updated2011 · 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).
52 pharmacist records list a practice address in San Luis Obispo
They are 52 of the 3,403 NPPES records with a practice address in San Luis Obispo, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in San Luis Obispo → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Maria BaxterSan Luis Obispo, CA 934051861659054
- William Borgman, RPHSan Luis Obispo, CA 934051083730592
- Matthew Geidel, PHARMDSan Luis Obispo, CA 934051104335173
- Kimberly Hanson, PHARMD, RPHSan Luis Obispo, CA 934051790398352
- Scott Landers, PHARMDSan Luis Obispo, CA 934051194068494
- Lin LinSan Luis Obispo, CA 934051366976029
- Dana Nelson, RPHSan Luis Obispo, CA 934051619040060
- Katrina Nguyen, PHARM.DSan Luis Obispo, CA 934051114287356
Common questions
What is Karen N. Zalesny, RPH's NPI number?
Karen N. Zalesny, RPH's National Provider Identifier (NPI) is 1629354105, issued on Oct 27, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Karen N. Zalesny, RPH located?
The NPPES record lists a practice address at 765 E Foothill Blvd, San Luis Obispo, CA, 93405. Phone: (805) 549-5967. Providers update this record themselves, so call before visiting.
How can I verify Karen N. Zalesny, RPH's license?
NPPES lists California license number 43213, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Karen N. Zalesny, RPH prescribe under Medicare Part D?
In 2024, Karen N. Zalesny, RPH had 136 Medicare Part D claims for 131 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.