Kathryn Owen Willis, NP
- Part D claims, 2024
- 45
- Hospital affiliations
- 1
- Industry payments
- $47
- Medical group
- 1
- State license
- 1
- Practice address
- 500 N Michigan Ave, Chicago, IL 60611
- Practice phone
- Call (312) 276-1212
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Raby Institute
Chicago, Illinois
Find Kathryn Willis' 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.
Kathryn Owen Willis is an acute care nurse practitioner in Chicago, Illinois
Kathryn Willis practices at Raby Institute in Chicago, Illinois.
Kathryn Willis' NPI, 1093000721, was assigned on June 10, 2011. Kathryn Willis holds Illinois license 209008121.
- NPI
- 1093000721NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729256177
- NPI enumeration date
- June 10, 2011
- NPI status
- Active
- Practice phone
- (312) 276-1212
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Kathryn Owen Willis practices at Raby Institute in Chicago, Illinois
Kathryn Willis' primary practice is Raby Institute, at 500 N Michigan Ave, Chicago, IL 60611 in Cook County. The practice phone is (312) 276-1212.
- Raby Institute500 N Michigan Ave, Chicago, IL 60611 · Cook CountyPhone(312) 276-1212
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Kathryn Owen Willis is affiliated with 3 sites of care and 1 medical group
Kathryn Willis' primary practice is Raby Institute in Chicago, Illinois. Kathryn Willis is also affiliated with Northwestern Memorial Hospital. The medical group on file is Raby Institute for Integrative Medicine at Northwestern. Dmand AI also links Kathryn Willis to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Kathryn Owen Willis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Kathryn Willis practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Raby Institute | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Kathryn Owen Willis is one of 599 acute care nurse practitioners in Illinois
Acute care is Kathryn Willis' primary specialty in the NPI Registry, under taxonomy code 363LA2100X. Kathryn Willis is licensed in Illinois.
Specialties and state licenses
- Acute care nurse practitioner, IllinoisPrimary
Acute care nurse practitioners near Kathryn Willis
Counts of acute care 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
Kathryn Owen Willis' patients have a median age of 43
Across all payers, Dmand AI patient panel data puts Kathryn Willis' median patient age at 43, with 82% women.
Kathryn Willis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women82%
- Men17%
Source: Dmand AI Patient Panel Data
Kathryn Owen Willis wrote 45 Medicare Part D claims in 2024
In 2024, Kathryn Willis wrote 45 Medicare Part D claims for 15 patients. 87% of them were for generic drugs.
Kathryn Willis' Part D claims by kind of drug, 2024
- Generic39 claims87%
- Brand-name and other6 claims13%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Kathryn Owen Willis received $47 in industry payments in 2025
CMS Open Payments shows 2 general payments to Kathryn Willis from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $47.
Companies that paid Kathryn Willis 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 Kathryn Owen Willis'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 Kathryn Owen Willis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Kathryn Owen Willis' NPI number?
Kathryn Owen Willis' NPI number is 1093000721. It was assigned on June 10, 2011, and it is active in the NPI Registry.
What does Kathryn Owen Willis specialize in?
Kathryn Owen Willis is an acute care nurse practitioner in Chicago, Illinois. The primary specialty in the NPI Registry is Acute Care Nurse Practitioner (taxonomy code 363LA2100X).
Where does Kathryn Owen Willis practice?
Kathryn Willis practices at 500 N Michigan Ave, Chicago, IL 60611. Kathryn Willis' primary practice is Raby Institute in Chicago, Illinois. Dmand AI also links Kathryn Willis to 1 group practice or clinic.
What is Kathryn Owen Willis' office phone number?
The practice phone on file for Kathryn Willis is (312) 276-1212.
What is Kathryn Owen Willis' medical license number?
Kathryn Willis holds Illinois license 209008121.
Which hospitals is Kathryn Owen Willis affiliated with?
Kathryn Willis is affiliated with Northwestern Memorial Hospital.
What medical group is Kathryn Owen Willis part of?
Kathryn Willis is linked to Raby Institute for Integrative Medicine at Northwestern.
Has Kathryn Owen Willis received payments from drug or device companies?
CMS Open Payments shows $47 in general payments to Kathryn Willis from 1 company from 2025 to 2025. The largest total came from Eli Lilly and Company.
How long has Kathryn Owen Willis been practicing?
Kathryn Willis graduated from medical school in 2009, 17 years ago.
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