DR. CHARLES OWEN NATION III MD
NPI 1790364206
Internal Medicine in Louisville, KY

Active since April 03, 2021PECOS EnrolledAccepts Medicare Assignment
323 E CHESTNUT ST, LOUISVILLE, KY 40202(843) 325-4165 Get Directions Write a Review

NPPES record last updated: May 7, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: May 7, 2025, May 12, 2021, Apr 3, 2021 (3 updates tracked since 2021).

About Dr. Charles Owen Nation Iii Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHARLES OWEN NATION III MD (NPI 1790364206) is an individual internal medicine provider in Louisville, Kentucky, licensed in Virginia (0101282868) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with University Of Louisville Hospital, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1790364206
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. CHARLES OWEN NATION IIICredential: MD
Location Address323 E CHESTNUT STLouisville, KY 40202-1823
Mailing Address3921 Leland RdLouisville, KY 40207-2005 · (843) 325-4165
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 3, 2021
Last NPPES UpdateMay 7, 20253 updates tracked since enumeration
NPPES CertifiedMay 7, 2025
NPI 1790364206 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in VA · 0101282868
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

323 E CHESTNUT ST, Louisville, KY 40202

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Charles Owen Nation Iii Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID143623082
PECOS Enrollment IDI20241111003196
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
56 services24 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
21 services21 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
17 services12 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Louisville Hospital

Acute Care Hospitals · Louisville, KY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number180141
Location530 South Jackson StreetLouisville, KY 40202 · Jefferson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 40202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$122.77 typical visit price
range $52.76 – $162.27
Typical copayment $30.69 (range $13.19 – $40.56)
Most-billed visit code 99204
Established Patient
$93.94 typical visit price
range $16.53 – $131.99
Typical copayment $23.48 (range $4.13 – $32.99)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Residual limb support system for wheelchair, any type E1020
DME-Wheelchairs · category DD021N
1 supplier11 claims11 services$11.57 avg. paid by Medicare
Power wheelchair, group 2 standard, captains chair, patient weight capacity up to and including 300 pounds K0823
DME-Wheelchairs · category DD009N
1 supplier11 claims11 services$122.98 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Student in an Organized Health Care Education/Training Program
323 E CHESTNUT ST
LOUISVILLE, KY 40202
Student in an Organized Health Care Education/Training Program
323 E CHESTNUT ST
LOUISVILLE, KY 40202
Student in an Organized Health Care Education/Training Program
323 E CHESTNUT ST
LOUISVILLE, KY 40202
Psychiatry & Neurology (Psychiatry)
323 E CHESTNUT ST
LOUISVILLE, KY 40202
Student in an Organized Health Care Education/Training Program
323 E CHESTNUT ST
LOUISVILLE, KY 40202
Student in an Organized Health Care Education/Training Program
323 E CHESTNUT ST
LOUISVILLE, KY 40202
Student in an Organized Health Care Education/Training Program
323 E CHESTNUT ST
LOUISVILLE, KY 40202
Student in an Organized Health Care Education/Training Program
323 E CHESTNUT ST
LOUISVILLE, KY 40202

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Charles Nation's NPI number?

The NPI number for Charles Nation is 1790364206. It was assigned to this individual provider in the NPPES registry on April 3, 2021.

Where is Charles Nation located?

Charles Nation practices at 323 E Chestnut St, Louisville, KY 40202. The listed phone number is (843) 325-4165.

What is Charles Nation's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Charles Nation enrolled in Medicare?

Yes. Charles Nation is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Charles Nation affiliated with any hospitals?

According to CMS data, Charles Nation is affiliated with University Of Louisville Hospital.

When was this NPI record last updated?

The NPPES record for Charles Nation was last updated on May 7, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.