Kathleen Weishaar, PA-C
Physician Assistant · Mason City, IA
Kathleen Weishaar, PA-C is a physician assistant with a practice address in Mason City, Iowa, and NPI 1134513930, issued on Mar 19, 2015. Check the license (Iowa 076941, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathleen Weishaar
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 076941 IA
Self-reported in NPPES; status is on the state search - Practice location
- 250 S Crescent Dr, Mason City, IA 50401
- Phone
- (641) 494-5210
- Enumerated
- Mar 19, 2015
- Record last updated
- Jan 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (641) 494-5214
- Medicare enrollment
- Enrolled (PECOS I20240227001460); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 1,525 in Iowa → Look up another NPI →
Also registered at 250 S Crescent Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Chad Boyer, PA-CPhysician Assistant1265638829
Verify Kathleen Weishaar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 076941Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average physician assistant in 2024
142 Medicare Part D claims for 109 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 84 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen42 claims
- Oxycodone Hcl24 claims
- Tramadol Hcl11 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.
Bills Medicare through 2 group practices
- Great Lakes Orthopaedic Center PCTraverse City, MI
- Orthopaedic Associates OF Muskegon PCMuskegon, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathleen Weishaar among 1,525 physician assistant records in Iowa
Kathleen Weishaar, PA-C is one of 1,525 physician assistant records with a practice address in Iowa. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 48% of them.
- NPI issued2015 · 48% of these records are older, 49% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2014 · median 2017 among the 1,053 with a school on file
- Record last updated2021 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 physician assistant records list a practice address in Mason City
They are 34 of the 866 NPPES records with a practice address in Mason City, and 1,525 physician assistant records in Iowa.
All 1,525 in Iowa → Every provider in Mason City → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Luan Bargman, PAMason City, IA 504011073525010
- Donald Beitzel, P.A.Mason City, IA 504011518939982
- Gregory Blank, PAMason City, IA 504011831161736
- Chad Boyer, PA-CMason City, IA 504011265638829
- Steven Dunnick, PAMason City, IA 504011437143781
- Jean Eichmeier, PA-CMason City, IA 504011295746329
- Diane Frakes-Julius, PAMason City, IA 504011376641134
- Rachel Hupke, M.P.A.S. PA-CMason City, IA 504011992147391
Common questions
What is Kathleen Weishaar, PA-C's NPI number?
Kathleen Weishaar, PA-C's National Provider Identifier (NPI) is 1134513930, issued on Mar 19, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Weishaar, PA-C located?
The NPPES record lists a practice address at 250 S Crescent Dr, Mason City, IA, 50401. Phone: (641) 494-5210. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Weishaar, PA-C's license?
NPPES lists Iowa license number 076941, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Kathleen Weishaar, PA-C prescribe under Medicare Part D?
In 2024, Kathleen Weishaar, PA-C had 142 Medicare Part D claims for 109 beneficiaries; the average among physician assistant prescribers was 830. 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.