Katherine Robin Willems, FNP
- Part D claims, 2024
- 2,435
- Industry payments
- $18
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2008
- Practice address
- 10121 Pine Ave, Truckee, CA 96161
- Practice phone
- Call (530) 587-6011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tahoe Forest Hospital
Truckee, California
Find Katherine Willems' 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 Robin Willems is a family nurse practitioner in Truckee, California
Katherine Willems practices at Tahoe Forest Hospital in Truckee, California.
Katherine Willems' NPI, 1134393069, was assigned on April 22, 2008. Katherine Willems holds California license 404784-7693.
- NPI
- 1134393069NPI Registry (opens in a new tab)
- NPI enumeration date
- April 22, 2008
- NPI status
- Active
- Practice phone
- (530) 587-6011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Katherine Robin Willems practices at Tahoe Forest Hospital in Truckee, California
Katherine Willems' primary practice is Tahoe Forest Hospital, at 10121 Pine Ave, Truckee, CA 96161 in Nevada County. The practice phone is (530) 587-6011.
- Tahoe Forest Hospital10121 Pine Ave, Truckee, CA 96161 · Nevada CountyPhone(530) 587-6011
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Katherine Robin Willems is affiliated with 1 site of care and 1 medical group
Katherine Willems' primary practice is Tahoe Forest Hospital in Truckee, California. The medical group on file is Redwood Coast Medical Services.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Katherine Robin Willems' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Willems practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tahoe Forest Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Katherine Robin Willems is one of 13,532 family nurse practitioners in California
Family is Katherine Willems' primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Katherine Willems is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Family nurse practitioners near Katherine Willems
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
Katherine Robin Willems' patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Katherine Willems' median patient age at 62, with 57% women.
Katherine Willems' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Katherine Robin Willems wrote 2,435 Medicare Part D claims in 2024
In 2024, Katherine Willems wrote 2,435 Medicare Part D claims for 277 patients. 86% of them were for generic drugs. CMS names the drug for 1,821 of them, across 52 drugs with 11 or more claims each, at $194,522 in total drug cost.
Katherine Willems' Part D claims by kind of drug, 2024
- Generic2,106 claims86%
- Brand-name315 claims13%
- Other14 claims1%
Katherine Willems' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Katherine Willems' Part D claims, 2024
- Opioids5%119 of 2,435 claims
- Antibiotics1%32 of 2,435 claims
- Antipsychotics, patients 65 and over1%20 of 2,435 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Katherine Robin Willems received $18 in industry payments in 2024
CMS Open Payments shows 1 general payment to Katherine Willems from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Indivior Inc. paid the most, $18.
Companies that paid Katherine Willems the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Katherine Robin Willems'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 and Drug (CMS) (opens in a new tab)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 Katherine Robin Willems
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What is Katherine Robin Willems' NPI number?
Katherine Robin Willems' NPI number is 1134393069. It was assigned on April 22, 2008, and it is active in the NPI Registry.
What does Katherine Robin Willems specialize in?
Katherine Robin Willems is a family nurse practitioner in Truckee, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Katherine Robin Willems practice?
Katherine Willems practices at 10121 Pine Ave, Truckee, CA 96161. Katherine Willems' primary practice is Tahoe Forest Hospital in Truckee, California.
What is Katherine Robin Willems' office phone number?
The practice phone on file for Katherine Willems is (530) 587-6011.
What is Katherine Robin Willems' medical license number?
Katherine Willems holds California license 404784-7693.
What medical group is Katherine Robin Willems part of?
Katherine Willems is linked to Redwood Coast Medical Services.
What drugs does Katherine Robin Willems prescribe most?
In 2024 Medicare Part D data, Katherine Willems' most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
Has Katherine Robin Willems received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Katherine Willems from 1 company from 2024 to 2024. The largest total came from Indivior Inc.
How long has Katherine Robin Willems been practicing?
Katherine Willems graduated from medical school in 1986, 40 years ago.
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