Katherine Wollum
Pharmacist · Bloomer, WI
Katherine Wollum is a pharmacist with a practice address in Bloomer, Wisconsin, and NPI 1245840362, issued on Aug 4, 2020. Check the license (Wisconsin 19091, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Wollum
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 19091 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1511 Main St, Bloomer, WI 54724
- Phone
- (715) 568-2190
- Enumerated
- Aug 4, 2020
- Record last updated
- Aug 4, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 5,397 in Wisconsin → Look up another NPI →
Verify Katherine Wollum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 19091Check 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, 96% of the cost of the top drugs
102 Medicare Part D claims for 80 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.
- Arexvy46 claims
- Shingrix41 claims
- Boostrix Tdap15 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 Wollum among 5,397 pharmacist records in Wisconsin
Katherine Wollum is one of 5,397 pharmacist records with a practice address in Wisconsin. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 65% of them.
- NPI issued2020 · 65% of these records are older, 18% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2020 · 78% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 pharmacist records list a practice address in Bloomer
They are 2 of the 149 NPPES records with a practice address in Bloomer, and 5,397 pharmacist records in Wisconsin.
All 5,397 in Wisconsin → Every provider in Bloomer → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Benjamin Hierlmeier, PHARMDBloomer, WI 547241386121598
- Brian EvansAugusta, WI 547221649883919
- Selena RickAugusta, WI 547221558971705
- Jeanne SackmannAugusta, WI 547221558971671
- Alec Darrow, PHARMDCadott, WI 547271104588284
- Kevin LittenCadott, WI 547271669743126
- Heather Bradley, PHARMDAltoona, WI 547201316546625
- Ariane Nwabo, PHARMACISTAltoona, WI 547201699592626
Common questions
What is Katherine Wollum's NPI number?
Katherine Wollum's National Provider Identifier (NPI) is 1245840362, issued on Aug 4, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Wollum located?
The NPPES record lists a practice address at 1511 Main St, Bloomer, WI, 54724. Phone: (715) 568-2190. Providers update this record themselves, so call before visiting.
How can I verify Katherine Wollum's license?
NPPES lists Wisconsin license number 19091, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Wollum prescribe under Medicare Part D?
In 2024, Katherine Wollum had 102 Medicare Part D claims for 80 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.