Courtney Erin Iwersen, Apncnp
- Medicare patients, 2024
- 188
- Part D claims, 2024
- 688
- MIPS score, 2024
- 85
- Hospital affiliations
- 2
- Industry payments
- $148
- Practice address
- 155 East Brush Hill Road, Elmhurst, IL 60126
- Practice phone
- Call (331) 221-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Courtney Iwersen'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.
Courtney Erin Iwersen is a nurse practitioner in Elmhurst, Illinois
Courtney Iwersen practices at Elmhurst Hospital in Elmhurst, Illinois, part of Endeavor Health.
Courtney Iwersen's NPI, 1164932653, was assigned on October 10, 2017. Courtney Iwersen holds Illinois license 209016723.
- NPI
- 1164932653NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072871359
- NPI enumeration date
- October 10, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (331) 221-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Courtney Erin Iwersen practices at Elmhurst Hospital in Elmhurst, Illinois
Courtney Iwersen's primary practice is Elmhurst Hospital, at 155 East Brush Hill Road, Elmhurst, IL 60126 in Du Page County. The practice phone is (331) 221-1000.
- Elmhurst Hospital155 East Brush Hill Road, Elmhurst, IL 60126 · Du Page CountyPhone(331) 221-1000
Source: Dmand AI Affiliation Data
Courtney Erin Iwersen is affiliated with 4 sites of care and 2 medical groups
Courtney Iwersen's primary practice is Elmhurst Hospital in Elmhurst, Illinois, part of Endeavor Health. Courtney Iwersen is also affiliated with Edward Hospital. The medical group on file is Endeavor Health Medical Group. Dmand AI also links Courtney Iwersen to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Courtney Erin Iwersen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Courtney Iwersen practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Elmhurst Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Courtney Erin Iwersen is one of 4,254 nurse practitioners in Illinois
Nurse practitioner is Courtney Iwersen's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Courtney Iwersen is licensed in Illinois.
Specialties and state licenses
- Nurse practitioner, IllinoisPrimary
Nurse practitioners near Courtney Iwersen
Counts of 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
Courtney Erin Iwersen treated 188 Medicare patients in 2024, average age 71
CMS counts 188 Medicare patients who saw Courtney Iwersen in 2024. The largest group is 65 to 74, with 89 patients. 72% of them have high cholesterol, and 70% have high blood pressure. 22% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Courtney Iwersen's median patient age at 61, with 65% women.
Courtney Iwersen's Medicare patients by age, 2024
Courtney Iwersen's Medicare patients by sex, 2024
- Women11963%
- Men6937%
Chronic conditions among Courtney Iwersen's Medicare patients, 2024
- High cholesterol72%
- High blood pressure70%
- Arthritis49%
- Diabetes32%
- Anxiety27%
- Chronic kidney disease24%
- Mood disorders24%
- Ischemic heart disease23%
Share of Medicare patients with each condition. A patient can have several.
Courtney Iwersen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women65%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Courtney Erin Iwersen wrote 688 Medicare Part D claims in 2024
In 2024, Courtney Iwersen wrote 688 Medicare Part D claims for 319 patients. 73% of them were for generic drugs.
Courtney Iwersen's Part D claims by kind of drug, 2024
- Generic501 claims73%
- Brand-name187 claims27%
Drug classes CMS tracks in Courtney Iwersen's Part D claims, 2024
- Antibiotics3%24 of 688 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Courtney Erin Iwersen scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Courtney Iwersen for performance year 2024, reported as part of a group. Courtney Iwersen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Courtney Iwersen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Courtney Iwersen's MIPS scores, performance year 2024
- 85of 100Final score
- 75.9of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Courtney Erin Iwersen received $148 in industry payments in 2025
CMS Open Payments shows 2 general payments to Courtney Iwersen from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Madrigal Pharmaceuticals paid the most, $131.
Companies that paid Courtney Iwersen 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 Courtney Erin Iwersen'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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 Courtney Erin Iwersen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Courtney Erin Iwersen's NPI number?
Courtney Erin Iwersen's NPI number is 1164932653. It was assigned on October 10, 2017, and it is active in the NPI Registry.
What does Courtney Erin Iwersen specialize in?
Courtney Erin Iwersen is a nurse practitioner in Elmhurst, Illinois. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Courtney Erin Iwersen practice?
Courtney Iwersen practices at 155 East Brush Hill Road, Elmhurst, IL 60126. Courtney Iwersen's primary practice is Elmhurst Hospital in Elmhurst, Illinois, part of Endeavor Health. Dmand AI also links Courtney Iwersen to 2 group practices and clinics and 1 medical group.
What is Courtney Erin Iwersen's office phone number?
The practice phone on file for Courtney Iwersen is (331) 221-1000.
What is Courtney Erin Iwersen's medical license number?
Courtney Iwersen holds Illinois license 209016723.
Which hospitals is Courtney Erin Iwersen affiliated with?
Courtney Iwersen practices at Elmhurst Hospital in Elmhurst, Illinois. Courtney Iwersen is also affiliated with Edward Hospital.
What medical group is Courtney Erin Iwersen part of?
Courtney Iwersen is linked to Endeavor Health Medical Group. Dmand AI links Courtney Iwersen to 1 more medical group.
Does Courtney Erin Iwersen accept Medicare?
Yes. CMS lists Courtney Iwersen as accepting Medicare assignment.
Does Courtney Erin Iwersen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Courtney Iwersen as offering telehealth services.
What is Courtney Erin Iwersen's MIPS score?
Courtney Iwersen's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
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How many Medicare patients does Courtney Erin Iwersen see?
CMS counts 188 Medicare patients who saw Courtney Iwersen in 2024, with an average age of 71.
Has Courtney Erin Iwersen received payments from drug or device companies?
CMS Open Payments shows $148 in general payments to Courtney Iwersen from 2 companies from 2025 to 2025. The largest total came from Madrigal Pharmaceuticals.
How long has Courtney Erin Iwersen been practicing?
Courtney Iwersen graduated from medical school in 2017, 9 years ago.
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