NPPES file of Aug 9, 2026

Paul B. L'Ecuyer, MD

Internal Medicine Physician · Saint Louis, MO

Paul B. L'Ecuyer, MD is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1427161298, issued on Aug 16, 2006. Check the license (Missouri 103973, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; 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
1427161298
Name
Paul B. L'Ecuyer
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
103973 MO
Self-reported in NPPES; status is on the state search
Practice location
969 N Mason RD Ste 110, Saint Louis, MO 63141
Phone
(314) 996-3434
Enumerated
Aug 16, 2006
Record last updated
Nov 9, 2022
Medicaid ID
208262915 MO
Medicare enrollment
Enrolled (PECOS I20041207000019); may accept Medicare assignment
Medical or professional school
University Of Missouri, Columbia School Of Medicine, 1989
Telehealth
Offers telehealth (CMS)
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 969 N Mason RD Ste 110

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

  1. David Brown, M.D.Internal Medicine Physician1861433195
  2. Christopher Chappell, DOFamily Medicine Physician1649651910
  3. Katherine Martin-Bredahl, FNPNurse Practitioner1427388776
  4. John Mays, MDInternal Medicine Physician1083108062
  5. Eileen McKeon, ANPNurse Practitioner1477768877
  6. Caitlynn Murphy, APRN, FNP-CNurse Practitioner1942904156

Verify Paul B. L'Ecuyer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 103973
    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 Missouri 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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3.7 times the Medicare Part D claims of the average internal medicine physician in 2024

11,615 Medicare Part D claims for 1,057 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 185 claims were for opioids.

  1. Paul L'Ecuyer11,615
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium1,136 claims
  2. Amlodipine Besylate587 claims
  3. Lisinopril416 claims
  4. Levothyroxine Sodium411 claims
  5. Losartan Potassium339 claims
  6. Omeprazole322 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: $301.47

12 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.

  1. Paul L'Ecuyer$301.47
  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 2 group practices

  1. Aging Well Health Care, LLCSaint Louis, MO
  2. Physician Groups LCSaint Louis, MO

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

Paul B. L'Ecuyer among 2,604 internal medicine physician records in Missouri

Paul B. L'Ecuyer, MD is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 59% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated1989 · median 2006 among the 1,443 with a school on file
  • Record last updated2022 · 48% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

941 internal medicine physician records list a practice address in Saint Louis

They are 941 of the 27,605 NPPES records with a practice address in Saint Louis, and 2,604 internal medicine physician records in Missouri.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Daniel Bauer, MDSaint Louis, MO 631411144222506
  2. Michele Bellamy, MDCreve Coeur, MO 631411134194863
  3. Shobha Dixit, MDSaint Louis, MO 631411902871650
  4. Carolyn Koenig, MDSaint Louis, MO 631411063488278
  5. Bernard McGuire, M.D.Saint Louis, MO 631411942274030
  6. Angela Miller, M.D.Saint Louis, MO 631411184605883
  7. C Molden, MDSaint Louis, MO 631411720086747
  8. Margaret Murphy, M.D.Saint Louis, MO 631411043285745

Common questions

What is Paul B. L'Ecuyer, MD's NPI number?

Paul B. L'Ecuyer, MD's National Provider Identifier (NPI) is 1427161298, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Paul B. L'Ecuyer, MD located?

The NPPES record lists a practice address at 969 N Mason RD Ste 110, Saint Louis, MO, 63141. Phone: (314) 996-3434. Providers update this record themselves, so call before visiting.

How can I verify Paul B. L'Ecuyer, MD's license?

NPPES lists Missouri license number 103973, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Paul B. L'Ecuyer, MD prescribe under Medicare Part D?

In 2024, Paul B. L'Ecuyer, MD had 11,615 Medicare Part D claims for 1,057 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.