NPPES file of Aug 9, 2026

Jennifer Leeann Olesen, NP-C

Family Nurse Practitioner · La Salle, IL

Jennifer Leeann Olesen, NP-C is a family nurse practitioner with a practice address in La Salle, Illinois, and NPI 1386199511, issued on Aug 17, 2016. Check the license (Illinois 277000631, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1386199511
Name
Jennifer Leeann Olesen
Credential
NP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
277000631 IL
Self-reported in NPPES; status is on the state search
Practice location
917 1St St, La Salle, IL 61301
Phone
(815) 780-2525
Enumerated
Aug 17, 2016
Record last updated
Mar 25, 2026
Fax
(815) 205-4533
Medicare enrollment
Enrolled (PECOS I20161013000698); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 917 1St St

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

  1. Paige Brennan, APRNFamily Nurse Practitioner1730775966

Verify Jennifer Leeann Olesen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 277000631
    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 Illinois license search

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22% fewer Medicare Part D claims than the average family nurse practitioner in 2024

1,018 Medicare Part D claims for 40 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Jennifer Olesen1,018
  2. Specialty average1,305

Most prescribed

  1. Buprenorphine-Naloxone93 claims
  2. Gabapentin46 claims
  3. Meloxicam36 claims
  4. Hydroxyzine Pamoate28 claims
  5. Duloxetine Hcl26 claims
  6. Atorvastatin Calcium23 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: $245.66

11 payments; by number, the most common kind was food and beverage; the largest payer was Braeburn Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jennifer Olesen$245.66
  2. Specialty average$650.95

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

  1. Local NP PCLa Salle, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jennifer Leeann Olesen among 7,639 family nurse practitioner records in Illinois

Jennifer Leeann Olesen, NP-C is one of 7,639 family nurse practitioner records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 30% of them.

  • NPI issued2016 · 30% of these records are older, 63% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2016 · median 2018 among the 4,778 with a school on file
  • Record last updated2026 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 family nurse practitioner records list a practice address in La Salle

They are 5 of the 109 NPPES records with a practice address in La Salle, and 7,639 family nurse practitioner records in Illinois.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Jamie Bond, FNPLa Salle, IL 613011679024111
  2. Paige Brennan, APRNLa Salle, IL 613011730775966
  3. Juliann Kersten, FNPLa Salle, IL 613011568414076
  4. Rose Schaumberg, FNPLa Salle, IL 613011265514343
  5. Mary Ayres, DNP-FNPRock Island Arsenal, IL 612991487263406
  6. Heather Claus, ARNPRock Island, IL 612991679767131
  7. Tammy Torsch, DNP-FNPRock Island, IL 612991194378992
  8. Lee Murrin, FNP-BCAmboy, IL 613101477063519

Common questions

What is Jennifer Leeann Olesen, NP-C's NPI number?

Jennifer Leeann Olesen, NP-C's National Provider Identifier (NPI) is 1386199511, issued on Aug 17, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Leeann Olesen, NP-C located?

The NPPES record lists a practice address at 917 1St St, La Salle, IL, 61301. Phone: (815) 780-2525. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Leeann Olesen, NP-C's license?

NPPES lists Illinois license number 277000631, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Jennifer Leeann Olesen, NP-C prescribe under Medicare Part D?

In 2024, Jennifer Leeann Olesen, NP-C had 1,018 Medicare Part D claims for 40 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.