Karen Leigh Larsen, APRN
Nurse Practitioner · Marion, KS
Karen Leigh Larsen, APRN is a nurse practitioner with a practice address in Marion, Kansas, and NPI 1821445677, issued on May 23, 2016. Check the license (Kansas 53-77240, as entered in NPPES) with the Kansas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Leigh Larsen
- Credential
- APRN
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 53-77240 KS
Self-reported in NPPES; status is on the state search - Practice location
- 535 S Freeborn St, Marion, KS 66861
- Phone
- (316) 258-4969
- Enumerated
- May 23, 2016
- Record last updated
- May 23, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160705000585); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 535 S Freeborn St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ann Hett, RD, CSG, LDRegistered Dietitian1407456593
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Verify Karen Leigh Larsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Kansas board licenses this profession
Search for license 53-77240Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average nurse practitioner in 2024
72 Medicare Part D claims for 48 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
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: $15.25
1 payment: food and beverage; the largest payer was Coloplast Corp. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Hospital District NO 1 Marion COMarion, KS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
2 nurse practitioner records list a practice address in Marion
They are 2 of the 31 NPPES records with a practice address in Marion, and 1,374 nurse practitioner records in Kansas.
All 2 in Marion → All 1,374 in Kansas → Every provider in Marion →
Other nurse practitioner records in Kansas
- Alexis Abasolo, APRNWichita, KS1083537815
- Hafsa Abukar, FNP-CWichita, KS1285218099
- Kimberley Adams-McDarty, ARNP RNWichita, KS1912015678
- Adesiji Adewunmi, APRNOlathe, KS1811322308
- Laura Agee, APRNKansas City, KS1700394699
- Sarah AgeeColumbus, KS1710443536
- Susan Aistrup, APRNLarned, KS1487035549
- Rose Aiyenowo, ARNPWichita, KS1891747226
- Jennifer Albert, ARNPHarper, KS1134328529
- Amalia AlborOverland Park, KS1245973676
Common questions
What is Karen Leigh Larsen, APRN's NPI number?
Karen Leigh Larsen, APRN's National Provider Identifier (NPI) is 1821445677, issued on May 23, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Karen Leigh Larsen, APRN located?
The NPPES record lists a practice address at 535 S Freeborn St, Marion, KS, 66861. Phone: (316) 258-4969. Providers update this record themselves, so call before visiting.
How can I verify Karen Leigh Larsen, APRN's license?
NPPES lists Kansas license number 53-77240, as entered by the provider. Search the Kansas board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Leigh Larsen, APRN prescribe under Medicare Part D?
In 2024, Karen Leigh Larsen, APRN had 72 Medicare Part D claims for 48 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.