NPPES file of Aug 9, 2026

Marthe-Sophie Lagueux, M.D.

Family Medicine Physician · Mount Juliet, TN

Marthe-Sophie Lagueux, M.D. is a family medicine physician with a practice address in Mount Juliet, Tennessee, and NPI 1457330649, issued on Jan 16, 2006. Check the license (Tennessee MD14261, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457330649
Name
Marthe-Sophie Lagueux
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD14261 TN
Self-reported in NPPES; status is on the state search
Practice location
3500 N Mount Juliet RD, Mount Juliet, TN 37122
Phone
(615) 758-5672
Enumerated
Jan 16, 2006
Record last updated
Jul 13, 2026
Fax
(615) 758-5609
Medicaid ID
3196857 TN
Medicare enrollment
Enrolled (PECOS I20041016000152); accepts Medicare assignment
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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8 nearest family medicine physician records → All 2,674 in Tennessee → Look up another NPI →

Also registered at 3500 N Mount Juliet RD

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

  1. Colleen Arrasmith, FNP-BCFamily Nurse Practitioner1215315387
  2. Chelsea Chrisp, DPTPhysical Therapist1538589908
  3. Kelly GebhartPhysical Therapist1669660916
  4. Jaclyn Huey, FNP-CFamily Nurse Practitioner1699176370
  5. Bernard Pare', M.D.Family Medicine Physician1881673093
  6. Cameron Shearer, M.D.Family Medicine Physician1437138641

Verify Marthe-Sophie Lagueux 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 MD14261    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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3.8 times the Medicare Part D claims of the average family medicine physician in 2024

13,316 Medicare Part D claims for 828 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 211 claims were for opioids.

  1. Marthe-Sophie Lagueux13,316
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium786 claims
  2. Levothyroxine Sodium559 claims
  3. Losartan Potassium451 claims
  4. Lisinopril446 claims
  5. Amlodipine Besylate442 claims
  6. Rosuvastatin Calcium425 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.

Industry payments in 2024: $1,049.05

61 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marthe-Sophie Lagueux$1,049.05
  2. Specialty average$902.55

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. Crossroads Medical Group, PLLCWhite House, TN

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

Marthe-Sophie Lagueux among 2,674 family medicine physician records in Tennessee

Marthe-Sophie Lagueux, M.D. is one of 2,674 family medicine physician records with a practice address in Tennessee. 81% 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 17% of them.

  • NPI issued2006 · 17% of these records are older, 48% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1980 · median 2004 among the 1,685 with a school on file
  • Record last updated2026 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 family medicine physician records list a practice address in Mount Juliet

They are 7 of the 468 NPPES records with a practice address in Mount Juliet, and 2,674 family medicine physician records in Tennessee.

All 2,674 in Tennessee → Every provider in Mount Juliet → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Kenneth Demirjian, M.D.Mt Juliet, TN 371221942252952
  2. Brandi Findley, DOMt Juliet, TN 371221912431396
  3. Don Gibson, MDMount Juliet, TN 371221326451246
  4. Laura Gillespie, FNP MSNMt Juliet, TN 371221154318418
  5. Vaughan Hall, MDMt Juliet, TN 371221740281252
  6. Katherine Jones, MDMount Juliet, TN 371221427023605
  7. Michael McCutchen, M.D.Mt Juliet, TN 371221346636966
  8. Michael Mertens, M.D.Mt Juliet, TN 371221346292257

Common questions

What is Marthe-Sophie Lagueux, M.D.'s NPI number?

Marthe-Sophie Lagueux, M.D.'s National Provider Identifier (NPI) is 1457330649, issued on Jan 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marthe-Sophie Lagueux, M.D. located?

The NPPES record lists a practice address at 3500 N Mount Juliet RD, Mount Juliet, TN, 37122. Phone: (615) 758-5672. Providers update this record themselves, so call before visiting.

How can I verify Marthe-Sophie Lagueux, M.D.'s license?

NPPES lists Tennessee license number MD14261, 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 Marthe-Sophie Lagueux, M.D. prescribe under Medicare Part D?

In 2024, Marthe-Sophie Lagueux, M.D. had 13,316 Medicare Part D claims for 828 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.