Katherine Irene Olson, PHARMD
Pharmacist · Mount Pleasant, IA
Katherine Irene Olson, PHARMD is a pharmacist with a practice address in Mount Pleasant, Iowa, and NPI 1457878811, issued on Aug 26, 2017. Check the license (Iowa 23091, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Irene Olson
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 23091 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1045 N Grand Ave, Mount Pleasant, IA 52641
- Phone
- (319) 385-8600
- Enumerated
- Aug 26, 2017
- Record last updated
- Aug 26, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 3,179 in Iowa → Look up another NPI →
Also registered at 1045 N Grand Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dawn DohlerPharmacist1295391761
- Natalie Madison, PHARMDPharmacist1164782918
- Darin Meinen, PHARMDPharmacist1588218168
Verify Katherine Irene Olson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 23091Check 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
159 Medicare Part D claims for 128 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.
- Arexvy52 claims
- Shingrix51 claims
- Boostrix Tdap25 claims
- Abrysvo20 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.
Katherine Irene Olson among 3,179 pharmacist records in Iowa
Katherine Irene Olson, PHARMD is one of 3,179 pharmacist records with a practice address in Iowa. 34% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 47% of them.
- NPI issued2017 · 47% of these records are older, 52% newer
- In a Medicare fileYes · 34% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2017 · 75% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 pharmacist records list a practice address in Mount Pleasant
They are 8 of the 55 NPPES records with a practice address in Mount Pleasant, and 3,179 pharmacist records in Iowa.
All 3,179 in Iowa → Every provider in Mount Pleasant → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Erin BietzMount Pleasant, IA 526411841961406
- Dawn DohlerMount Pleasant, IA 526411295391761
- Heather Henkelvig, PHARMDMt Pleasant, IA 526411285787952
- Chenh HoMount Pleasant, IA 526411366211229
- Tori LumbergMount Pleasant, IA 526411033738356
- Natalie Madison, PHARMDMount Pleasant, IA 526411164782918
- Darin Meinen, PHARMDMount Pleasant, IA 526411588218168
- Zachary Mulford, PHARMDMt Pleasant, IA 526411447831870
Common questions
What is Katherine Irene Olson, PHARMD's NPI number?
Katherine Irene Olson, PHARMD's National Provider Identifier (NPI) is 1457878811, issued on Aug 26, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Irene Olson, PHARMD located?
The NPPES record lists a practice address at 1045 N Grand Ave, Mount Pleasant, IA, 52641. Phone: (319) 385-8600. Providers update this record themselves, so call before visiting.
How can I verify Katherine Irene Olson, PHARMD's license?
NPPES lists Iowa license number 23091, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Irene Olson, PHARMD prescribe under Medicare Part D?
In 2024, Katherine Irene Olson, PHARMD had 159 Medicare Part D claims for 128 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.