John Logan Mottern, DO
Internal Medicine Physician · Knoxville, TN
John Logan Mottern, DO is an internal medicine physician with a practice address in Knoxville, Tennessee, and NPI 1720783921, issued on Apr 5, 2023. Check the license (Tennessee 6861, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Logan Mottern
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 6861 TN
Self-reported in NPPES; status is on the state search - Practice location
- 6600 Nightingale LN, Knoxville, TN 37909
- Phone
- (865) 632-5885
- Enumerated
- Apr 5, 2023
- Record last updated
- Jul 6, 2026
- Fax
- (865) 374-2163
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 6600 Nightingale LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Alley, MDInternal Medicine Physician1295780369
- Michael Bernard, MDInternal Medicine Physician1386633949
- Saeed Etezadi-Amoli, MDInternal Medicine Physician1669427142
- David Jerden, MDInternal Medicine Physician1255376513
- Sunil John, MDInternal Medicine Physician1912952177
- Douglas Marlow, MDInternal Medicine Physician1659360295
Verify John Logan Mottern in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 6861Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
388 Medicare Part D claims for 55 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Gabapentin35 claims
- Rosuvastatin Calcium33 claims
- Lisinopril18 claims
- Tramadol Hcl16 claims
- Ozempic15 claims
- Pantoprazole Sodium15 claims
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.
John Logan Mottern among 2,596 internal medicine physician records in Tennessee
John Logan Mottern, DO 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 2023, is newer than 98% of them.
- NPI issued2023 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2026 · 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
- James Alley, MDKnoxville, TN 379091295780369
- Michael Bernard, MDKnoxville, TN 379091386633949
- Richard Coffey, MDKnoxville, TN 379091427085356
- Saeed Etezadi-Amoli, MDKnoxville, TN 379091669427142
- Carla Gillespie, MDKnoxville, TN 379091295762276
- David Jerden, MDKnoxville, TN 379091255376513
- Sunil John, MDKnoxville, TN 379091912952177
- Joanna King, MDKnoxville, TN 379091154399053
Common questions
What is John Logan Mottern, DO's NPI number?
John Logan Mottern, DO's National Provider Identifier (NPI) is 1720783921, issued on Apr 5, 2023. An NPI identifies a provider in billing; it is not a license.
Where is John Logan Mottern, DO located?
The NPPES record lists a practice address at 6600 Nightingale LN, Knoxville, TN, 37909. Phone: (865) 632-5885. Providers update this record themselves, so call before visiting.
How can I verify John Logan Mottern, DO's license?
NPPES lists Tennessee license number 6861, 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 John Logan Mottern, DO prescribe under Medicare Part D?
In 2024, John Logan Mottern, DO had 388 Medicare Part D claims for 55 beneficiaries; 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.