Brendan Jonathan Knowles, D.O.
Internal Medicine Physician · Knoxville, TN
Brendan Jonathan Knowles, D.O. is an internal medicine physician with a practice address in Knoxville, Tennessee, and NPI 1912343542, issued on May 22, 2013. Check the license (Tennessee 3349, as entered in NPPES) on the Tennessee Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Brendan Jonathan Knowles
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 3349 TN
Self-reported in NPPES; status is on the state search - Practice location
- 501 20TH St Ste 404, Knoxville, TN 37916
- Phone
- (865) 522-6964
- Enumerated
- May 22, 2013
- Record last updated
- Jul 21, 2022
- Fax
- (865) 522-0454
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 501 20TH St Ste 404
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kerry Huntsinger, FNPFamily Nurse Practitioner1851783849
- Gerald Mancebo, MDInternal Medicine Physician1700820131
Verify Brendan Jonathan Knowles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 3349Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Brendan Jonathan Knowles among 2,596 internal medicine physician records in Tennessee
Brendan Jonathan Knowles, D.O. 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 not. Its NPI, issued in 2013, is newer than 74% of them.
- NPI issued2013 · 74% of these records are older, 23% newer
- In a Medicare fileNo · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2022 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,596 in Tennessee → Every provider in Knoxville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ashok Bhandari, MDKnoxville, TN 379161083671648
- John Cooper, MDKnoxville, TN 379161336183763
- Jeffrey Douglas, M.D.Knoxville, TN 379161023055290
- James Ferguson, MDKnoxville, TN 379161346284767
- Randolph Lowry, M.D.Knoxville, TN 379161649371089
- Gerald Mancebo, MDKnoxville, TN 379161700820131
- Anthony Morton, MDKnoxville, TN 379161578504478
- Michael Passarello, MDKnoxville, TN 379161487695383
Common questions
What is Brendan Jonathan Knowles, D.O.'s NPI number?
Brendan Jonathan Knowles, D.O.'s National Provider Identifier (NPI) is 1912343542, issued on May 22, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Brendan Jonathan Knowles, D.O. located?
The NPPES record lists a practice address at 501 20TH St Ste 404, Knoxville, TN, 37916. Phone: (865) 522-6964. Providers update this record themselves, so call before visiting.
How can I verify Brendan Jonathan Knowles, D.O.'s license?
NPPES lists Tennessee license number 3349, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.