Christopher Chesser
Pharmacist · Yreka, CA
Christopher Chesser is a pharmacist with a practice address in Yreka, California, and NPI 1558953950, issued on Feb 7, 2021. Check the license (California 84004, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Christopher Chesser
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 84004 CA
Self-reported in NPPES; status is on the state search - Practice location
- 807 S Main St, Yreka, CA 96097
- Phone
- (530) 842-5596
- Enumerated
- Feb 7, 2021
- Record last updated
- Feb 7, 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 807 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Minhquan Hoang, PHARMACISTPharmacist1003377037
- Allison Scholer, RPHPharmacist1013570852
- Mike Todd, RPHPharmacist1407269525
- Timothy VargaPharmacist1770974180
Verify Christopher Chesser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 84004Check 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, 95% of the cost of the top drugs
149 Medicare Part D claims for 121 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were over 99% 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.
- Shingrix59 claims
- Abrysvo32 claims
- Arexvy31 claims
- Boostrix Tdap26 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.
Christopher Chesser among 32,533 pharmacist records in California
Christopher Chesser 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 2021, is newer than 79% of them.
- NPI issued2021 · 79% of these records are older, 16% 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).
17 pharmacist records list a practice address in Yreka
They are 17 of the 424 NPPES records with a practice address in Yreka, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Yreka → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Michael Adams, PHARMDYreka, CA 960971912538372
- Robert AmensYreka, CA 960971376096982
- Lori Crum, PHARM.D.Yreka, CA 960971093126625
- Markos GebruYreka, CA 960971265905442
- Janet Grassman, R.PH.Yreka, CA 960971316457567
- Minhquan Hoang, PHARMACISTYreka, CA 960971003377037
- Maria Christina Igonia-Mock, RPHYreka, CA 960971114327871
- Allison Scholer, RPHYreka, CA 960971013570852
Common questions
What is Christopher Chesser's NPI number?
Christopher Chesser's National Provider Identifier (NPI) is 1558953950, issued on Feb 7, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Chesser located?
The NPPES record lists a practice address at 807 S Main St, Yreka, CA, 96097. Phone: (530) 842-5596. Providers update this record themselves, so call before visiting.
How can I verify Christopher Chesser's license?
NPPES lists California license number 84004, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Christopher Chesser prescribe under Medicare Part D?
In 2024, Christopher Chesser had 149 Medicare Part D claims for 121 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.