NPPES file of Aug 9, 2026

Lewis C. Sommerville, MD

Internal Medicine Physician · Maryville, TN

Lewis C. Sommerville, MD is an internal medicine physician with a practice address in Maryville, Tennessee, and NPI 1548347669, issued on Nov 1, 2006. Check the license (Tennessee 14129, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548347669
Name
Lewis C. Sommerville
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
14129 TN
Self-reported in NPPES; status is on the state search
Practice location
463 Bmh Physicians Office Bldg, Maryville, TN 37804
Phone
(865) 980-5100
Enumerated
Nov 1, 2006
Record last updated
May 19, 2026
Fax
(865) 980-5105
Medicaid ID
3194199 TN
Medicare enrollment
Enrolled (PECOS I20100916001022); accepts Medicare assignment
Medical or professional school
University Of Florida College Of Medicine, 1982
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 463 Bmh Physicians Office Bldg

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ousama Dabbagh, MDPulmonary Disease Physician1982644704
  2. Morgan DonnellFamily Nurse Practitioner1710705298
  3. Claudia Gammon, FNP-BCFamily Nurse Practitioner1063523074
  4. Abby Hamilton, DNPAcute Care Nurse Practitioner1871003996
  5. Philip Hanneman, M.D.Pulmonary Disease Physician1356788202
  6. Brandon McLin, PA-CPhysician Assistant1821450750

Verify Lewis C. Sommerville in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 14129
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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31% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,186 Medicare Part D claims for 325 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 58% of claims.

  1. Lewis Sommerville2,186
  2. Specialty average3,176

Most prescribed

  1. Albuterol Sulfate Hfa538 claims
  2. Trelegy Ellipta358 claims
  3. Prednisone146 claims
  4. Montelukast Sodium106 claims
  5. Symbicort101 claims
  6. Breo Ellipta92 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 practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score74.6
  2. Costout of 100 · 30%63.1
  3. Promoting interoperabilityout of 100 · 25%92.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,148.09

101 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.

  1. Lewis Sommerville$2,148.09
  2. Specialty average$1,303.06

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

  1. Blount Memorial Physician Group IncMaryville, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lewis C. Sommerville among 2,596 internal medicine physician records in Tennessee

Lewis C. Sommerville, 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
  • Graduated1982 · median 2003 among the 1,705 with a school on file
  • 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).

Internal Medicine Physician providers in Tennessee

There are 2,596 internal medicine physician records in Tennessee.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Kim Cline, MDMaryville, TN 378041891721379
  2. David Cox, MDMaryville, TN 378041558307181
  3. Mark Green, M.D.Maryville, TN 378041154395044
  4. Erin Hood, M.D.Maryville, TN 378041518266865
  5. Pawel Karolczak, M.D.Maryville, TN 378041639116999
  6. Komal Kirpekar, MDMaryville, TN 378041912084096
  7. David Knoll, M.D.Maryville, TN 378041306815253
  8. Carole Long, MDMaryville, TN 378041609912054

Common questions

What is Lewis C. Sommerville, MD's NPI number?

Lewis C. Sommerville, MD's National Provider Identifier (NPI) is 1548347669, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lewis C. Sommerville, MD located?

The NPPES record lists a practice address at 463 Bmh Physicians Office Bldg, Maryville, TN, 37804. Phone: (865) 980-5100. Providers update this record themselves, so call before visiting.

How can I verify Lewis C. Sommerville, MD's license?

NPPES lists Tennessee license number 14129, 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 Lewis C. Sommerville, MD prescribe under Medicare Part D?

In 2024, Lewis C. Sommerville, MD had 2,186 Medicare Part D claims for 325 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Lewis C. Sommerville, MD's MIPS final score?

The 2023 MIPS final score is 79.3 of 100, reported for the practice group. 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.