PAUL B L'ECUYER MD
NPI 1427161298
Internal Medicine in Saint Louis, MO
About Paul B L'ecuyer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PAUL B L'ECUYER MD (NPI 1427161298) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Missouri (103973) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and maintains a secondary practice location in Saint Louis.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Paul B L'ecuyer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Paul L'ecuyer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 611 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital St Louis
Acute Care Hospitals · Saint Louis, MOBarnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOMissouri Baptist Medical Center
Acute Care Hospitals · Town And Country, MOBarnes-Jewish West County Hospital
Acute Care Hospitals · Creve Coeur, MOSt Lukes Hospital
Acute Care Hospitals · Chesterfield, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Paul L'ecuyer's NPI number?
The NPI number for Paul L'ecuyer is 1427161298. It was assigned to this individual provider in the NPPES registry on August 16, 2006.
Where is Paul L'ecuyer located?
Paul L'ecuyer practices at 969 N Mason Rd Ste 110, Saint Louis, MO 63141. The listed phone number is (314) 996-3434.
What is Paul L'ecuyer's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Paul L'ecuyer enrolled in Medicare?
Yes. Paul L'ecuyer is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Paul L'ecuyer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Paul L'ecuyer reassigns Medicare benefits to Physician Groups Lc (Saint Louis, MO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Paul L'ecuyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Paul L'ecuyer accept?
Health plans from UnitedHealthcare list Paul L'ecuyer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Paul L'ecuyer affiliated with any hospitals?
According to CMS data, Paul L'ecuyer is affiliated with Mercy Hospital St Louis, Barnes Jewish Hospital, Missouri Baptist Medical Center, Barnes-Jewish West County Hospital and St Lukes Hospital.
When was this NPI record last updated?
The NPPES record for Paul L'ecuyer was last updated on November 9, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Paul B L'ecuyer, MD · NPI 1427161298
Internal Medicine physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since August 16, 2006.
## Identity
- **NPI:** 1427161298 (Entity type: Individual)
- **Enumerated:** August 16, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 103973 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 969 N MASON RD STE 110, Saint Louis, MO 63141-6338
- **Phone:** (314) 996-3434
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Physician Groups Lc (NPI 1285664268, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Missouri, Columbia School Of Medicine, class of 1989
## Record status
- **NPPES last updated:** November 9, 2022
- **Other identifiers:** Medicaid 208262915 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1427161298) · Data from the CMS NPPES public registry.