Dennis R. Lester, M.D.
Internal Medicine Physician · Knoxville, TN
Dennis R. Lester, M.D. is an internal medicine physician with a practice address in Knoxville, Tennessee, and NPI 1649657347, issued on May 1, 2015. Check the license (Tennessee MD56756, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Dennis R. Lester
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD56756 TN
56756 TN
Self-reported in NPPES; status is on the state search - Practice location
- 4117 E Emory RD, Knoxville, TN 37938
- Phone
- (865) 922-2121
- Enumerated
- May 1, 2015
- Record last updated
- Mar 18, 2024
- Fax
- (833) 908-2092
- Medicare enrollment
- Enrolled (PECOS I20180606000964); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 4117 E Emory RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Clara Hubbs, FNPFamily Nurse Practitioner1609240050
- Fred Hurst, MDFamily Medicine Physician1700821949
- James Hurst, MDInternal Medicine Physician1154376374
Verify Dennis R. Lester in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD56756Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average internal medicine physician in 2024
935 Medicare Part D claims for 177 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Atorvastatin Calcium37 claims
- Gabapentin34 claims
- Cefdinir31 claims
- Prednisone31 claims
- Ondansetron Odt26 claims
- Pantoprazole Sodium25 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.
The MIPS final score for 2023 (Medicare payment program): 95.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $953.93
53 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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 2 group practices
- Champion Physical Therapy LLC HallsKnoxville, TN
- Summit Medical Group, PLLCKnoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dennis R. Lester among 2,596 internal medicine physician records in Tennessee
Dennis R. Lester, M.D. 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 2015, is newer than 80% of them.
- NPI issued2015 · 80% of these records are older, 18% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2015 · median 2003 among the 1,705 with a school on file
- Record last updated2024 · 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 Hurst, MDKnoxville, TN 379381154376374
- Shane Kelley, M.D.Knoxville, TN 379381891007605
- Amy Barnett, MDKnoxville, TN 379341285848408
- Brian Collier, M.D.Knoxville, TN 379341376619726
- Emily Daniels, DOKnoxville, TN 379341881154052
- Christopher Delange, MDKnoxville, TN 379341003566324
- Kim Emmett, M.D.Knoxville, TN 379341437174356
- Kenechukwu Ibeneme, MDKnoxville, TN 379341043839855
Common questions
What is Dennis R. Lester, M.D.'s NPI number?
Dennis R. Lester, M.D.'s National Provider Identifier (NPI) is 1649657347, issued on May 1, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Dennis R. Lester, M.D. located?
The NPPES record lists a practice address at 4117 E Emory RD, Knoxville, TN, 37938. Phone: (865) 922-2121. Providers update this record themselves, so call before visiting.
How can I verify Dennis R. Lester, M.D.'s license?
NPPES lists Tennessee license number MD56756, 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 Dennis R. Lester, M.D. prescribe under Medicare Part D?
In 2024, Dennis R. Lester, M.D. had 935 Medicare Part D claims for 177 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Dennis R. Lester, M.D.'s MIPS final score?
The 2023 MIPS final score is 95.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.