Dr. Charles Owen Nation III, MD
- Medicare services, 2024
- 105
- Medicare patients, 2024
- 51
- Part D claims, 2024
- 350
- MIPS score, 2024
- 84
- Hospital affiliations
- 1
- Practice address
- 530 South Jackson Street, Louisville, KY 40202
- Practice phone
- Call (502) 562-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Charles Owen Nation III is an internist in Louisville, Kentucky
Dr. Nation practices at UofL Health - UofL Hospital in Louisville, Kentucky, part of UofL Health.
Dr. Nation's NPI, 1790364206, was assigned on April 3, 2021. Dr. Nation holds Virginia license 0101282868.
- NPI
- 1790364206NPI Registry (opens in a new tab)
- NPI enumeration date
- April 3, 2021
- NPI status
- Active
- Practice phone
- (502) 562-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Charles Owen Nation III practices at UofL Health - UofL Hospital in Louisville, Kentucky
Dr. Nation's primary practice is UofL Health - UofL Hospital, at 530 South Jackson Street, Louisville, KY 40202 in Jefferson County. The practice phone is (502) 562-3000.
- UofL Health - UofL Hospital530 South Jackson Street, Louisville, KY 40202 · Jefferson CountyPhone(502) 562-3000
Source: Dmand AI Affiliation Data
Dr. Charles Owen Nation III is affiliated with 1 site of care and 1 medical group
Dr. Nation's primary practice is UofL Health - UofL Hospital in Louisville, Kentucky, part of UofL Health. The medical group on file is MCV Physicians.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Charles Owen Nation III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nation practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UofL Health - UofL Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Charles Owen Nation III is one of 1,380 internists in Kentucky
Internal medicine is Dr. Nation's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nation is licensed in Virginia.
Specialties and state licenses
- Internal medicine, VirginiaPrimary
Internists near Dr. Nation
Counts of internists 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
Dr. Charles Owen Nation III billed Medicare for 105 services in 2024
CMS data shows 105 Medicare services from Dr. Nation across 4 procedure codes in 2024, for 51 Medicare patients. Medicare paid $7,734 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nation compared with the Kentucky median for internists, 2024
- Dr. Nation
- Kentucky median
- Medicare services
- 105vs 61383% below
- Medicare patients
- 51vs 22377% below
- Part D claims
- 122vs 36867% below
Medians across 1,380 internists in Kentucky with Dmand AI profiles that report each measure.
Dr. Nation's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nation and other internists in Kentucky.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charles Owen Nation III treated 51 Medicare patients in 2024, average age 76
CMS counts 51 Medicare patients who saw Dr. Nation in 2024. The largest group is 75 to 84, with 18 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.18, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Nation's median patient age at 72, with 50% women.
Dr. Nation's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nation's Medicare patients by sex, 2024
- Women3059%
- Men2141%
Chronic conditions among Dr. Nation's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Chronic kidney disease53%
- Diabetes53%
- Ischemic heart disease47%
- Mood disorders45%
- COPD43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nation's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charles Owen Nation III wrote 350 Medicare Part D claims in 2024
In 2024, Dr. Nation wrote 350 Medicare Part D claims for 57 patients. 81% of them were for generic drugs. CMS names the drug for 122 of them, across 7 drugs with 11 or more claims each, at $26,207 in total drug cost.
Dr. Nation's Part D claims by kind of drug, 2024
- Generic284 claims81%
- Brand-name66 claims19%
Dr. Nation'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. Nation's Part D claims, 2024
- Opioids4%15 of 350 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
Dr. Charles Owen Nation III scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Nation for performance year 2024, reported as part of a group.
Dr. Nation's MIPS scores, performance year 2024
- 84of 100Final score
- 69.9of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Charles Owen Nation III received $225 in industry payments from 2024 to 2025
CMS Open Payments shows 5 general payments to Dr. Nation from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Abiomed paid the most, $103.
General payments to Dr. Nation by program year, 2024 to 2025
Companies that paid Dr. Nation the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Charles Owen Nation III'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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 Dr. Charles Owen Nation III
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. Charles Owen Nation III's NPI number?
Dr. Charles Owen Nation III's NPI number is 1790364206. It was assigned on April 3, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles Owen Nation III?
Dr. Charles Owen Nation III is an internist in Louisville, Kentucky. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Charles Owen Nation III practice?
Dr. Nation practices at 530 South Jackson Street, Louisville, KY 40202. Dr. Nation's primary practice is UofL Health - UofL Hospital in Louisville, Kentucky, part of UofL Health.
What is Dr. Charles Owen Nation III's office phone number?
The practice phone on file for Dr. Nation is (502) 562-3000.
What is Dr. Charles Owen Nation III's medical license number?
Dr. Nation holds Virginia license 0101282868.
Which hospitals is Dr. Charles Owen Nation III affiliated with?
Dr. Nation practices at UofL Health - UofL Hospital in Louisville, Kentucky.
What medical group is Dr. Charles Owen Nation III part of?
Dr. Nation is linked to MCV Physicians.
Does Dr. Charles Owen Nation III accept Medicare?
Yes. CMS data shows Dr. Nation billed Medicare for 105 services in 2024.
What is Dr. Charles Owen Nation III's MIPS score?
Dr. Nation's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. Charles Owen Nation III see?
CMS counts 51 Medicare patients who saw Dr. Nation in 2024, with an average age of 76.
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What services does Dr. Charles Owen Nation III bill to Medicare?
In 2024, Dr. Nation's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99233).
What drugs does Dr. Charles Owen Nation III prescribe most?
In 2024 Medicare Part D data, Dr. Nation's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Pantoprazole Sodium.
Has Dr. Charles Owen Nation III received payments from drug or device companies?
CMS Open Payments shows $225 in general payments to Dr. Nation from 4 companies from 2024 to 2025. The largest total came from Abiomed.
How long has Dr. Charles Owen Nation III been practicing?
Dr. Nation graduated from medical school in 2021, 5 years ago.
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