Karen Darnell, PA-C
- Medicare patients, 2024
- 30
- Part D claims, 2024
- 802
- Hospital affiliations
- 1
- Industry payments
- $75
- Medical groups
- 2
- Practice address
- 671 Sw Main Street, Winston, OR 97496
- Practice phone
- Call (541) 492-4550
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Adapt Integrated Health Care - Winston
FQHC - Main Site · Winston, Oregon
Find Karen Darnell'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.
Karen Darnell is a physician assistant in Winston, Oregon
Karen Darnell practices at Adapt Integrated Health Care - Winston in Winston, Oregon.
Karen Darnell's NPI, 1538727839, was assigned on May 31, 2019. Karen Darnell graduated from University of Wisconsin School of Medicine in 2016. Karen Darnell holds Oregon license 222552.
- NPI
- 1538727839NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416281035
- NPI enumeration date
- May 31, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (541) 492-4550
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Karen Darnell practices at Adapt Integrated Health Care - Winston in Winston, Oregon
Karen Darnell's primary practice is Adapt Integrated Health Care - Winston, at 671 Sw Main Street, Winston, OR 97496 in Douglas County. The practice phone is (541) 492-4550.
- Adapt Integrated Health Care - Winston671 Sw Main Street, Winston, OR 97496 · Douglas CountyPhone(541) 492-4550
Source: Dmand AI Affiliation Data
Karen Darnell is affiliated with 4 sites of care and 2 medical groups
Karen Darnell's primary practice is Adapt Integrated Health Care - Winston in Winston, Oregon. Karen Darnell is also affiliated with CHI Mercy Health. The medical group on file is Adapt Integrated Health Care. Dmand AI also links Karen Darnell to 1 more community health center, 1 home health agency 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 Karen Darnell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Karen Darnell practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adapt Integrated Health Care - Winston | 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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Karen Darnell is one of 1,937 physician assistants in Oregon
Physician assistant is Karen Darnell's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Karen Darnell's licenses on file in 2 states: Oregon and Minnesota.
Specialties and state licenses
- Physician assistant, OregonPrimary
- Minnesota license
Physician assistants near Karen Darnell
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
Karen Darnell treated 30 Medicare patients in 2024, average age 62
CMS counts 30 Medicare patients who saw Karen Darnell in 2024. The largest group is under 65, with 14 patients. 57% of them have alcohol and drug use disorders, and 57% have tobacco use. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Karen Darnell's median patient age at 49, with 62% women.
Karen Darnell's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Karen Darnell's Medicare patients by sex, 2024
- Women1343%
- Men1757%
Chronic conditions among Karen Darnell's Medicare patients, 2024
- Alcohol and drug use disorders57%
- Tobacco use57%
- High blood pressure53%
- Anxiety47%
Share of Medicare patients with each condition. A patient can have several.
Karen Darnell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Karen Darnell wrote 802 Medicare Part D claims in 2024
In 2024, Karen Darnell wrote 802 Medicare Part D claims for 51 patients. 83% of them were for generic drugs.
Karen Darnell's Part D claims by kind of drug, 2024
- Generic669 claims83%
- Brand-name121 claims15%
- Other12 claims1%
Drug classes CMS tracks in Karen Darnell's Part D claims, 2024
- Opioids3%22 of 802 claims
- Antibiotics1%11 of 802 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 Karen Darnell takes part in Medicare
Karen Darnell 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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Karen Darnell received $75 in industry payments in 2025
CMS Open Payments shows 3 general payments to Karen Darnell from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $29.
Companies that paid Karen Darnell the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Karen Darnell graduated from University of Wisconsin School of Medicine
Karen Darnell graduated from University of Wisconsin School of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Karen Darnell'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Karen Darnell
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Karen Darnell's NPI number?
Karen Darnell's NPI number is 1538727839. It was assigned on May 31, 2019, and it is active in the NPI Registry.
What does Karen Darnell specialize in?
Karen Darnell is a physician assistant in Winston, Oregon. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Karen Darnell practice?
Karen Darnell practices at 671 Sw Main Street, Winston, OR 97496. Karen Darnell's primary practice is Adapt Integrated Health Care - Winston in Winston, Oregon. Dmand AI also links Karen Darnell to 1 community health center, 1 home health agency and 1 medical group.
What is Karen Darnell's office phone number?
The practice phone on file for Karen Darnell is (541) 492-4550.
What is Karen Darnell's medical license number?
Karen Darnell holds Oregon license 222552, one of the licenses on file in 2 states.
Which states has Karen Darnell been licensed in?
Dmand AI has state licenses on file for Karen Darnell in Oregon and Minnesota.
Which hospitals is Karen Darnell affiliated with?
Karen Darnell is affiliated with CHI Mercy Health.
What medical group is Karen Darnell part of?
Karen Darnell is linked to Adapt Integrated Health Care. Dmand AI links Karen Darnell to 1 more medical group.
Does Karen Darnell accept Medicare?
Yes. CMS lists Karen Darnell as accepting Medicare assignment.
How many Medicare patients does Karen Darnell see?
CMS counts 30 Medicare patients who saw Karen Darnell in 2024, with an average age of 62.
Show 3 more questionsShow fewer questions
Where did Karen Darnell go to medical school?
Karen Darnell graduated from University of Wisconsin School of Medicine in 2016.
Has Karen Darnell received payments from drug or device companies?
CMS Open Payments shows $75 in general payments to Karen Darnell from 3 companies from 2025 to 2025. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Karen Darnell been practicing?
Karen Darnell graduated from medical school in 2016, 10 years ago.
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