Registry data as of Aug 27, 2026

Kay Kosters, PA-C

Medical Physician Assistant · Le Mars, IA

Kay Kosters, PA-C is a medical physician assistant with a practice address in Le Mars, Iowa, and NPI 1174519193, issued on Sep 26, 2005. Check the license (Iowa 000967, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1174519193
Name
Kay Kosters
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
000967 IA
Self-reported in NPPES; status is on the state search
Practice location
714 Lincoln St NE, Le Mars, IA 51031
Phone
(712) 546-3650
Enumerated
Sep 26, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 714 Lincoln St NE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Trevor Bertsch, PHARMD, MBAPharmacist1316428667
  2. Cheryl Cronin, PA-CMedical Physician Assistant1851387815
  3. Andrew Geha, D.O.Family Medicine Physician1427379627
  4. Connie Hanson, SPSpeech-Language Pathologist1184786691
  5. Sheila Holcomb, M.D.Family Medicine Physician1043206089
  6. Sarah Hunt, RN, APRN-BCNurse Practitioner1366895013

Verify Kay Kosters in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 000967
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

3.5 times the Medicare Part D claims of the average medical physician assistant in 2024

4,054 Medicare Part D claims for 320 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 74 claims were for opioids.

  1. Kay Kosters4,054
  2. Specialty average1,148

Most prescribed

  1. Levothyroxine Sodium404 claims
  2. Atorvastatin Calcium230 claims
  3. Mounjaro134 claims
  4. Omeprazole120 claims
  5. Losartan Potassium111 claims
  6. Amlodipine Besylate107 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.

Industry payments in 2024: $30.54

2 payments, mostly food and beverage; the largest payer was Pfizer Inc. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kay Kosters$30.54
  2. Specialty average$1,055.00

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Floyd Valley HealthcareLe Mars, IA · Critical Access Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

2 medical physician assistant records list a practice address in Le Mars

They are 2 of the 192 NPPES records with a practice address in Le Mars, and 235 medical physician assistant records in Iowa.

Other medical physician assistant records in Iowa

  1. Amanda Abolt, PA-CWest Burlington, IA1609422211
  2. Laura Alison, PA-CWest Des Moines, IA1518343755
  3. Tracy Alshouse, PACCedar Rapids, IA1528051976
  4. Lori Anderson, PAOrange City, IA1083932834
  5. Michael Anderson, PAAtlantic, IA1144658253
  6. Patricia Arason, PA-CWest Des Moines, IA1598921777
  7. Daniel Armstrong, PHYSICIAN ASSISTANTDubuque, IA1699909028
  8. Sarah ArnoldDubuque, IA1558016113
  9. Amanda BaconIowa City, IA1477370856
  10. Laura Badalucco, PA-CCouncil Bluffs, IA1538518311

Common questions

What is Kay Kosters, PA-C's NPI number?

Kay Kosters, PA-C's National Provider Identifier (NPI) is 1174519193, issued on Sep 26, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Kay Kosters, PA-C located?

The NPPES record lists a practice address at 714 Lincoln St NE, Le Mars, IA, 51031. Phone: (712) 546-3650. Providers update this record themselves, so call before visiting.

How can I verify Kay Kosters, PA-C's license?

NPPES lists Iowa license number 000967, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Kay Kosters, PA-C prescribe under Medicare Part D?

In 2024, Kay Kosters, PA-C had 4,054 Medicare Part D claims for 320 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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) 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 27, 2026.