Katherine Marie Willis, PA-C
- Part D claims, 2024
- 38
- Hospital affiliations
- 1
- Medical groups
- 4
- State license
- 1
- Year NPI issued
- 2014
- Practice address
- 108 NW Sisemore St, Bend, OR 97703
- Practice phone
- Call (541) 228-3865
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bestmed
Bend, Oregon
Find Katherine 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.
Katherine Marie Willis is a physician assistant in Bend, Oregon
Katherine Willis practices at Bestmed in Bend, Oregon.
Katherine Willis' NPI, 1326441353, was assigned on October 5, 2014. Katherine Willis holds Oregon license PA169484.
- NPI
- 1326441353NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759605959
- NPI enumeration date
- October 5, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (541) 228-3865
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Katherine Marie Willis practices at Bestmed in Bend, Oregon
Katherine Willis' primary practice is Bestmed, at 108 NW Sisemore St, Bend, OR 97703 in Deschutes County. The practice phone is (541) 228-3865.
- Bestmed108 NW Sisemore St, Bend, OR 97703 · Deschutes CountyPhone(541) 228-3865
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Katherine Marie Willis is affiliated with 3 sites of care and 4 medical groups
Katherine Willis' primary practice is Bestmed in Bend, Oregon. Katherine Willis is also affiliated with St. Charles Bend. The medical group on file is St. Charles Health System. Dmand AI also links Katherine Willis to 3 more medical groups and 1 group practice or clinic, each 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 Katherine Marie Willis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Willis practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bestmed | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Katherine Marie Willis is one of 1,937 physician assistants in Oregon
Physician assistant is Katherine Willis' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Katherine Willis is licensed in Oregon.
Specialties and state licenses
- Physician assistant, OregonPrimary
Physician assistants near Katherine Willis
Counts of physician assistants 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
Katherine Marie Willis' patients have a median age of 41
Across all payers, Dmand AI patient panel data puts Katherine Willis' median patient age at 41, with 51% women.
Katherine Willis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
Patient panel by sex, all payers
- Women51%
- Men48%
Source: Dmand AI Patient Panel Data
Katherine Marie Willis wrote 38 Medicare Part D claims in 2024
In 2024, Katherine Willis wrote 38 Medicare Part D claims for 31 patients. 95% of them were for generic drugs.
Katherine Willis' Part D claims by kind of drug, 2024
- Generic36 claims95%
- Brand-name and other2 claims5%
Drug classes CMS tracks in Katherine Willis' Part D claims, 2024
- Antibiotics47%18 of 38 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
How Katherine Marie Willis takes part in Medicare
Katherine Willis 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)
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Sources for Katherine Marie 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Katherine Marie 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 Katherine Marie Willis' NPI number?
Katherine Marie Willis' NPI number is 1326441353. It was assigned on October 5, 2014, and it is active in the NPI Registry.
What does Katherine Marie Willis specialize in?
Katherine Marie Willis is a physician assistant in Bend, Oregon. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Katherine Marie Willis practice?
Katherine Willis practices at 108 NW Sisemore St, Bend, OR 97703. Katherine Willis' primary practice is Bestmed in Bend, Oregon. Dmand AI also links Katherine Willis to 3 medical groups and 1 group practice or clinic.
What is Katherine Marie Willis' office phone number?
The practice phone on file for Katherine Willis is (541) 228-3865.
What is Katherine Marie Willis' medical license number?
Katherine Willis holds Oregon license PA169484.
Which hospitals is Katherine Marie Willis affiliated with?
Katherine Willis is affiliated with St. Charles Bend.
What medical group is Katherine Marie Willis part of?
Katherine Willis is linked to St. Charles Health System. Dmand AI links Katherine Willis to 3 more medical groups.
Does Katherine Marie Willis accept Medicare?
Yes. CMS lists Katherine Willis as accepting Medicare assignment.
How long has Katherine Marie Willis been practicing?
Katherine Willis graduated from medical school in 2014, 12 years ago.
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