MRS. LESLIE E FOSS ACNP
NPI 1184884165
Nurse Practitioner - Acute Care in Saint Louis, MO
About Mrs. Leslie E Foss Acnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. LESLIE E FOSS ACNP (NPI 1184884165) is an individual acute care provider in Saint Louis, Missouri, licensed in Illinois (309003473) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses
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
Mrs. Leslie E Foss 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 Leslie Foss reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 168 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63128 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 63128
SAINT LOUIS, MO 63128
SAINT LOUIS, MO 63128
SAINT LOUIS, MO 63128
SAINT LOUIS, MO 63128
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 Leslie Foss's NPI number?
The NPI number for Leslie Foss is 1184884165. It was assigned to this individual provider in the NPPES registry on June 12, 2008.
Where is Leslie Foss located?
Leslie Foss practices at 10012 Kennerly Rd Suite 305, Saint Louis, MO 63128. The listed phone number is (314) 525-4325.
What is Leslie Foss's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Leslie Foss enrolled in Medicare?
Yes. Leslie Foss 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 Leslie Foss's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leslie Foss reassigns Medicare benefits to Mercy Clinic Surgical Specialists, LLC (Washington, 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 Leslie Foss's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leslie Foss accept?
Health plans from UnitedHealthcare list Leslie Foss 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.
When was this NPI record last updated?
The NPPES record for Leslie Foss was last updated on January 22, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Mrs. Leslie E Foss, ACNP · NPI 1184884165
Acute Care physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since June 12, 2008.
## Identity
- **NPI:** 1184884165 (Entity type: Individual)
- **Enumerated:** June 12, 2008
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 309003473 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 10012 KENNERLY RD, SUITE 305, Saint Louis, MO 63128-2197
- **Phone:** (314) 525-4325 · **Fax:** (314) 525-4365
## 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:** Mercy Clinic Surgical Specialists, LLC (NPI 1043530538, Washington, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** January 22, 2016
---
Source: [NPI Profile](https://npiprofile.com/npi/1184884165) · Data from the CMS NPPES public registry.