Cassandra Olson, ARNP
- Hospital affiliations
- 1
- Industry payments
- $34
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2024
- Practice address
- 600 N College Avenue, Geneseo, IL 61254
- Practice phone
- Call (309) 944-6431
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Cassandra Olson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Cassandra Olson is a family nurse practitioner in Geneseo, Illinois
Cassandra Olson practices at Hammond-Henry Hospital in Geneseo, Illinois, part of HammondHenry Hospital.
Cassandra Olson's NPI, 1487482162, was assigned on July 23, 2024. Cassandra Olson holds Iowa license A180547.
- NPI
- 1487482162NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153856133
- NPI enumeration date
- July 23, 2024
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (309) 944-6431
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Cassandra Olson practices at Hammond-Henry Hospital in Geneseo, Illinois
Cassandra Olson's primary practice is Hammond-Henry Hospital, at 600 N College Avenue, Geneseo, IL 61254 in Henry County. The practice phone is (309) 944-6431.
- Hammond-Henry Hospital600 N College Avenue, Geneseo, IL 61254 · Henry CountyPhone(309) 944-6431
Source: Dmand AI Affiliation Data
Cassandra Olson is affiliated with 1 site of care and 2 medical groups
Cassandra Olson's primary practice is Hammond-Henry Hospital in Geneseo, Illinois, part of HammondHenry Hospital. The medical group on file is Hammond-Henry Hospital Medical Group Geneseo. Dmand AI also links Cassandra Olson to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Cassandra Olson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Cassandra Olson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hammond-Henry Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across HammondHenry Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Cassandra Olson is one of 7,275 family nurse practitioners in Illinois
Family is Cassandra Olson's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Cassandra Olson is licensed in Iowa.
Specialties and state licenses
- Family nurse practitioner, IowaPrimary
Family nurse practitioners near Cassandra Olson
Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Cassandra Olson's patients have a median age of 48
Across all payers, Dmand AI patient panel data puts Cassandra Olson's median patient age at 48, with 55% women.
Cassandra Olson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women55%
- Men45%
Source: Dmand AI Patient Panel Data
How Cassandra Olson takes part in Medicare
Cassandra Olson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Cassandra Olson received $34 in industry payments in 2025
CMS Open Payments shows 2 general payments to Cassandra Olson from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $18.
Companies that paid Cassandra Olson the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Cassandra Olson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Cassandra Olson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Cassandra Olson's NPI number?
Cassandra Olson's NPI number is 1487482162. It was assigned on July 23, 2024, and it is active in the NPI Registry.
What does Cassandra Olson specialize in?
Cassandra Olson is a family nurse practitioner in Geneseo, Illinois. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Cassandra Olson practice?
Cassandra Olson practices at 600 N College Avenue, Geneseo, IL 61254. Cassandra Olson's primary practice is Hammond-Henry Hospital in Geneseo, Illinois, part of HammondHenry Hospital. Dmand AI also links Cassandra Olson to 1 medical group.
What is Cassandra Olson's office phone number?
The practice phone on file for Cassandra Olson is (309) 944-6431.
What is Cassandra Olson's medical license number?
Cassandra Olson holds Iowa license A180547.
Which hospitals is Cassandra Olson affiliated with?
Cassandra Olson practices at Hammond-Henry Hospital in Geneseo, Illinois.
What medical group is Cassandra Olson part of?
Cassandra Olson is linked to Hammond-Henry Hospital Medical Group Geneseo. Dmand AI links Cassandra Olson to 1 more medical group.
Does Cassandra Olson accept Medicare?
Yes. CMS lists Cassandra Olson as accepting Medicare assignment.
Has Cassandra Olson received payments from drug or device companies?
CMS Open Payments shows $34 in general payments to Cassandra Olson from 2 companies from 2025 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Cassandra Olson been practicing?
Cassandra Olson graduated from medical school in 2021, 5 years ago.
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