NPPES file of Aug 9, 2026

Cassandra Olson, ARNP

Family Nurse Practitioner · Geneseo, IL

Cassandra Olson, ARNP is a family nurse practitioner with a practice address in Geneseo, Illinois, and NPI 1487482162, issued on Jul 23, 2024. Check the license 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
1487482162
Name
Cassandra Olson
Credential
ARNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
A180547 IA
Self-reported in NPPES; status is on the state search
Practice location
600 N College Ave, Geneseo, IL 61254
Phone
(309) 944-1275
Enumerated
Jul 23, 2024
Record last updated
Feb 17, 2026
Fax
(309) 520-2567
Medicare enrollment
Enrolled (PECOS I20241217004275); 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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8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →

Also registered at 600 N College Ave

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

  1. Shari Becker, MDFamily Medicine Physician1891771945
  2. Melinda BrownOccupational Therapist1205190832
  3. Bobby Cain, RDNRegistered Dietitian1932857869
  4. Staci Circello, APRNFamily Nurse Practitioner1164065801
  5. Jill Clong, NP-CFamily Nurse Practitioner1871329326
  6. Brittany CoursonFamily Nurse Practitioner1497207799

Verify Cassandra Olson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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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Industry payments in 2024: $18.38

1 payment: food and beverage; the largest payer was Novo Nordisk 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. Cassandra Olson$18.38
  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. Hammond Henry Dist HospitalAnnawan, IL

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

Cassandra Olson among 7,639 family nurse practitioner records in Illinois

Cassandra Olson, ARNP 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 2024, is newer than 85% of them.

  • NPI issued2024 · 85% of these records are older, 9% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2021 · 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).

9 family nurse practitioner records list a practice address in Geneseo

They are 9 of the 107 NPPES records with a practice address in Geneseo, and 7,639 family nurse practitioner records in Illinois.

All 7,639 in Illinois → Every provider in Geneseo → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Staci Circello, APRNGeneseo, IL 612541164065801
  2. Jill Clong, NP-CGeneseo, IL 612541871329326
  3. Brittany CoursonGeneseo, IL 612541497207799
  4. Amy Darwin, FNP-CGeneseo, IL 612541194493957
  5. Kati Grimes, FNP-CGeneseo, IL 612541821440959
  6. Rhonda MisfeldtGeneseo, IL 612541134787690
  7. Annetta Nordstrom, APN, NP-CGeneseo, IL 612541295169324
  8. Katie Sowder, APNGeneseo, IL 612541528306289

Common questions

What is Cassandra Olson, ARNP's NPI number?

Cassandra Olson, ARNP's National Provider Identifier (NPI) is 1487482162, issued on Jul 23, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Cassandra Olson, ARNP located?

The NPPES record lists a practice address at 600 N College Ave, Geneseo, IL, 61254. Phone: (309) 944-1275. Providers update this record themselves, so call before visiting.

How can I verify Cassandra Olson, ARNP's license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.