Charles Barnett, MD
Internal Medicine Physician · Knoxville, TN
Charles Barnett, MD is an internal medicine physician with a practice address in Knoxville, Tennessee, and NPI 1053357673, issued on Jun 21, 2006. Check the license (Tennessee 9608, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Charles Barnett
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 9608 TN
Self-reported in NPPES; status is on the state search - Practice location
- 3230 Keller Bend RD, Knoxville, TN 37922
- Phone
- (865) 691-6759
- Enumerated
- Jun 21, 2006
- Record last updated
- Jun 15, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (865) 249-7638
- Medicaid ID
- 3167291 TN
- Medicare enrollment
- Enrolled (PECOS I20050228000960); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 1975
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Verify Charles Barnett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 9608Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
21 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $695.09
3 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Hospital Medicine Services OF Tennessee PCLenoir City, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Barnett among 2,596 internal medicine physician records in Tennessee
Charles Barnett, MD is one of 2,596 internal medicine physician records with a practice address in Tennessee. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 46% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1975 · median 2003 among the 1,705 with a school on file
- Record last updated2010 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
237 internal medicine physician records list a practice address in Knoxville
They are 237 of the 14,339 NPPES records with a practice address in Knoxville, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Knoxville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Stephanie Becker, MDKnoxville, TN 379221548208325
- Punam Bhandari, MDKnoxville, TN 379221992747661
- Jeffrey Boruff, M.D.Knoxville, TN 379221922057223
- Douglas Davis, M.D.Knoxville, TN 379221083669345
- William Harmon, M.D.Knoxville, TN 379221417902776
- Jimmy Hawkins, MDKnoxville, TN 379221245274679
- Rebecca Jackson, MDKnoxville, TN 379221689610628
- Hina Kouser, MDKnoxville, TN 379221114977964
Common questions
What is Charles Barnett, MD's NPI number?
Charles Barnett, MD's National Provider Identifier (NPI) is 1053357673, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles Barnett, MD located?
The NPPES record lists a practice address at 3230 Keller Bend RD, Knoxville, TN, 37922. Phone: (865) 691-6759. Providers update this record themselves, so call before visiting.
How can I verify Charles Barnett, MD's license?
NPPES lists Tennessee license number 9608, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charles Barnett, MD prescribe under Medicare Part D?
In 2024, Charles Barnett, MD had 21 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.