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Dr. Dennis Leroy Barnett II, MD
NPI1194097931
- Medicare services, 2022
- 562
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 3,003
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 2700 SE Stratus Ave., Mcminnville, OR 97128
- Practice phone
- Call (503) 472-6131
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Barnett's professional email, personal email and mobile number
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Dr. Dennis Leroy Barnett II is an internist in Mcminnville, Oregon
Dr. Barnett practices at Willamette Valley Medical Center in Mcminnville, Oregon, part of Lifepoint Health.
Dr. Barnett's NPI, 1194097931, was assigned on February 8, 2012. Dr. Barnett graduated from University of Missouri, Kansas City, School of Medicine in 2012. Dr. Barnett holds Oregon license MD181105.
NPI and contact details
- NPI
- 1194097931NPI Registry (opens in a new tab)
- NPI enumeration date
- February 8, 2012
- NPI status
- Active
- Practice phone
- (503) 472-6131
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Dennis Leroy Barnett II practices at Willamette Valley Medical Center in Mcminnville, Oregon
Dr. Barnett's primary practice is Willamette Valley Medical Center, at 2700 SE Stratus Ave., Mcminnville, OR 97128 in Yamhill County. The practice phone is (503) 472-6131.
- Willamette Valley Medical Center2700 SE Stratus Ave., Mcminnville, OR 97128 · Yamhill CountyPhone(503) 472-6131
Source: Dmand AI Affiliation Data
Dr. Dennis Leroy Barnett II is affiliated with 2 sites of care
Dr. Barnett's primary practice is Willamette Valley Medical Center in Mcminnville, Oregon, part of Lifepoint Health. Dmand AI also links Dr. Barnett to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Dennis Leroy Barnett II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barnett practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Willamette Valley Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Dennis Leroy Barnett II is one of 1,680 internists in Oregon
Internal medicine is Dr. Barnett's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Barnett is licensed in Oregon.
Specialties and state licenses
- Internal medicine, OregonPrimary
Internists near Dr. Barnett
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
1,680internists in Oregon24internists in Mcminnville21internists at Willamette Valley Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Dennis Leroy Barnett II billed Medicare for 562 services in 2022
CMS data shows 562 Medicare services from Dr. Barnett across 13 procedure codes in 2022, for 11 Medicare patients. Medicare paid $10,854 for them. Every service was in an office.
Medicare services, 2022562
Medicare patients11
Paid by Medicare$10,854
Procedure codes13
Dr. Barnett's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Lab and pathology
- 2021: 4522022: 27240%
- Office and hospital visits
- 2021: 2662022: 16737%
- Surgery
- 2021: 1732022: 9048%
- Other services
- 2021: 752022: 3356%
- Drugs given in the office
- 2021: 982022: 0100%
- Tests and treatments
- 2021: 142022: 0100%
Dr. Barnett compared with the Oregon median for internists, 2022
- Dr. Barnett
- Oregon median
- Medicare services
- 562vs 30087% above
- Medicare patients
- 11vs 13292% below
- Part D claims
- 2,408vs 22210.8 times
Medians across 1,791 internists in Oregon with Dmand AI profiles that report each measure.
Dr. Barnett's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Barnett?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Barnett and other internists in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dennis Leroy Barnett II treated 11 Medicare patients in 2024, average age 71
CMS counts 11 Medicare patients who saw Dr. Barnett in 2024. Their average risk score is 0.69, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Barnett's median patient age at 63, with 52% women.
Medicare patients, 202411
Average age71
Average risk score0.69
Dr. Barnett's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dennis Leroy Barnett II wrote 3,003 Medicare Part D claims in 2024
In 2024, Dr. Barnett wrote 3,003 Medicare Part D claims for 123 patients. 86% of them were for generic drugs. CMS names the drug for 2,408 of them, across 93 drugs with 11 or more claims each, at $254,442 in total drug cost. In 2023, CMS named 2,697 claims across 88 drugs.
Part D claims, 20243,003
Drugs named by CMS93
Total drug cost$254,442
Part D patients123
Dr. Barnett's Part D claims by kind of drug, 2024
- Generic2,590 claims86%
- Brand-name391 claims13%
- Other22 claims1%
Dr. Barnett's 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 Dr. Barnett's Part D claims, 2024
- Opioids6%195 of 3,003 claims
- Antibiotics1%43 of 3,003 claims
- Antipsychotics, patients 65 and over1%17 of 3,003 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,6972024: 2,40811%
Drugs named by CMS: 93 in 2024, 88 in 2023.
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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Dr. Dennis Leroy Barnett II has 2 publications on record
Dmand AI links 2 papers to Dr. Barnett, published from 2013 to 2014.
Papers2
Years published2013 to 2014
Recent publications by Dr. Barnett
See who Dr. Barnett researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Barnett works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Dennis Leroy Barnett II received $646 in industry payments from 2018 to 2025
CMS Open Payments shows 24 general payments to Dr. Barnett from 13 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 62% of the total. Astellas Pharma US Inc paid the most, $198.
General payments to Dr. Barnett by program year, 2018 to 2025
General payments to Dr. Barnett by kind, 2018 to 2025
$646in total
- Food and beverage$39962%
- Education$24638%
Companies that paid Dr. Barnett the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Dennis Leroy Barnett II graduated from University of Missouri, Kansas City, School of Medicine
Dr. Barnett graduated from University of Missouri, Kansas City, School of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Dennis Leroy Barnett II'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Dr. Dennis Leroy Barnett II
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Dennis Leroy Barnett II's NPI number?
Dr. Dennis Leroy Barnett II's NPI number is 1194097931. It was assigned on February 8, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Dennis Leroy Barnett II?
Dr. Dennis Leroy Barnett II is an internist in Mcminnville, Oregon. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Dennis Leroy Barnett II practice?
Dr. Barnett practices at 2700 SE Stratus Ave., Mcminnville, OR 97128. Dr. Barnett's primary practice is Willamette Valley Medical Center in Mcminnville, Oregon, part of Lifepoint Health. Dmand AI also links Dr. Barnett to 1 physician office.
What is Dr. Dennis Leroy Barnett II's office phone number?
The practice phone on file for Dr. Barnett is (503) 472-6131.
What is Dr. Dennis Leroy Barnett II's medical license number?
Dr. Barnett holds Oregon license MD181105.
Which hospitals is Dr. Dennis Leroy Barnett II affiliated with?
Dr. Barnett practices at Willamette Valley Medical Center in Mcminnville, Oregon.
Does Dr. Dennis Leroy Barnett II accept Medicare?
Yes. CMS data shows Dr. Barnett billed Medicare for 562 services in 2022.
How many Medicare patients does Dr. Dennis Leroy Barnett II see?
CMS counts 11 Medicare patients who saw Dr. Barnett in 2024, with an average age of 71.
What services does Dr. Dennis Leroy Barnett II bill to Medicare?
In 2022, Dr. Barnett's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Dennis Leroy Barnett II go to medical school?
Dr. Barnett graduated from University of Missouri, Kansas City, School of Medicine in 2012.
Show 4 more questionsShow fewer questions
What drugs does Dr. Dennis Leroy Barnett II prescribe most?
In 2024 Medicare Part D data, Dr. Barnett's most prescribed drugs by claims were Gabapentin, Rosuvastatin Calcium and Atorvastatin Calcium.
Has Dr. Dennis Leroy Barnett II received payments from drug or device companies?
CMS Open Payments shows $646 in general payments to Dr. Barnett from 13 companies from 2018 to 2025. The largest total came from Astellas Pharma US Inc.
How long has Dr. Dennis Leroy Barnett II been practicing?
Dr. Barnett graduated from medical school in 2012, 14 years ago.
Does Dr. Dennis Leroy Barnett II do research?
Dmand AI links 2 publications to Dr. Barnett, published from 2013 to 2014.
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