MS. LESLEY C CORNELIUS ACNP
NPI 1326867193
Nurse Practitioner - Acute Care in Saint Louis, MO
About Ms. Lesley C Cornelius Acnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. LESLEY C CORNELIUS ACNP (NPI 1326867193) is an individual acute care provider in Saint Louis, Missouri, licensed in Missouri (2024045260) and active in the NPI registry since October 2024. She is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
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 and accepts Medicare assignment
Ms. Lesley C Cornelius Acnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Lesley Cornelius reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 405 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Barnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Lesley Cornelius's NPI number?
The NPI number for Lesley Cornelius is 1326867193. It was assigned to this individual provider in the NPPES registry on October 8, 2024.
Where is Lesley Cornelius located?
Lesley Cornelius practices at 1 Barnes Jewish Hospital Plz Dept Anesthesiology, Saint Louis, MO 63110. The listed phone number is (800) 862-9980.
What is Lesley Cornelius's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Lesley Cornelius enrolled in Medicare?
Yes. Lesley Cornelius is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Lesley Cornelius's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lesley Cornelius reassigns Medicare benefits to Washington University (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 Lesley Cornelius's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lesley Cornelius accept?
Health plans from UnitedHealthcare list Lesley Cornelius 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 Lesley Cornelius affiliated with any hospitals?
According to CMS data, Lesley Cornelius is affiliated with Barnes Jewish Hospital.
When was this NPI record last updated?
The NPPES record for Lesley Cornelius was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.
# Ms. Lesley C Cornelius, ACNP · NPI 1326867193
Acute Care physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since October 8, 2024.
## Identity
- **NPI:** 1326867193 (Entity type: Individual)
- **Enumerated:** October 8, 2024
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 2024045260 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGY, Saint Louis, MO 63110-1003
- **Phone:** (800) 862-9980 · **Fax:** (314) 362-1185
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Washington University (NPI 1528005642, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** April 17, 2025
- **Other identifiers:** Medicaid 420151535 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1326867193) · Data from the CMS NPPES public registry.