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CHARLES BARNETT MD
NPI 1053357673
Internal Medicine in Knoxville, TN

Active since June 21, 2006PECOS EnrolledAccepts Medicare Assignment
3230 KELLER BEND RD, KNOXVILLE, TN 37922(865) 691-6759(865) 249-7638 Get Directions Write a Review

NPPES record last updated: June 15, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Charles Barnett Md NPPES

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

CHARLES BARNETT MD (NPI 1053357673) is an individual internal medicine provider in Knoxville, Tennessee, licensed in Tennessee (9608) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Fort Loudoun Medical Center, and is a graduate of University Of Tennessee, Hsc, College Of Medicine (1975).

NPPES Registry Identity

NPI1053357673
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameCHARLES BARNETTCredential: MD
Location Address3230 KELLER BEND RDKnoxville, TN 37922-6525
Mailing Address3230 Keller Bend RdKnoxville, TN 37922-6525 · (865) 691-6759 · Fax (865) 249-7638
Phone(865) 691-6759
Fax(865) 249-7638
Sole ProprietorNo
Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 1975
Enumeration DateJune 21, 2006
Last NPPES UpdateJune 15, 2010
✔ NPI 1053357673 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TN · 9608
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.
3230 KELLER BEND RD, Knoxville, TN 37922
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Other Identifiers 5

Medicare ID-Type Unspecified3167291TN
Medicare ID-Type Unspecified3717541TN
Medicaid3167291TN
Medicare ID-Type Unspecified3167292TN
Medicare UPINB03223

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Charles Barnett 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 ID8325091515
PECOS Enrollment IDI20050228000960
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Charles Barnett reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southeastern Physician Services PC
16 mi
Hospitalist
990 OAK RIDGE TPKE
Oak Ridge, TN 37830
  • Reassigned Medicare billing, Tennessee enrollment
  • 1,085 clinicians in this Medicare group
NPI 1083835441 (865) 481-1000
Hospital Medicine Services Of Tennessee PC
230 mi
Hospitalist
600 WILSON CREEK RD
Lawrenceburg, IN 47025
  • Reassigned Medicare billing, Tennessee enrollment
  • 394 clinicians in this Medicare group
NPI 1528433802 (812) 537-1010
Sound Physicians Of Wyoming, LLC
1,281 mi
Hospitalist
1233 E 2ND ST
Casper, WY 82601
  • Reassigned Medicare billing, Wyoming enrollment
  • 108 clinicians in this Medicare group
NPI 1982982708 (800) 822-7201

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
44 services43 patients

Hospital Affiliations CMS Care Compare

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

Fort Loudoun Medical Center

Acute Care Hospitals · Lenoir City, TN
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number440110
Location550 Fort Loudon Medical Center DrLenoir City, TN 37772 · Loudon County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37922 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
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
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.

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 Barnett's NPI number?

The NPI number for Charles Barnett is 1053357673. It was assigned to this individual provider in the NPPES registry on June 21, 2006.

Where is Charles Barnett located?

Charles Barnett practices at 3230 Keller Bend Rd, Knoxville, TN 37922. The listed phone number is (865) 691-6759.

What is Charles Barnett's specialty?

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

Is Charles Barnett enrolled in Medicare?

Yes. Charles Barnett 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.

Which organizations bill Medicare for Charles Barnett's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Barnett reassigns Medicare benefits to 3 organizations: Southeastern Physician Services PC (Oak Ridge, TN), Hospital Medicine Services Of Tennessee PC (Lawrenceburg, IN) and Sound Physicians Of Wyoming, LLC (Casper, WY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Charles Barnett's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Charles Barnett accept?

Health plans from Cigna Healthcare list Charles Barnett as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Charles Barnett affiliated with any hospitals?

According to CMS data, Charles Barnett is affiliated with Fort Loudoun Medical Center.

When was this NPI record last updated?

The NPPES record for Charles Barnett was last updated on June 15, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.