MRS. SUSAN BECKER LEON R.N., GNP-BC
NPI 1053756759
Nurse Practitioner - Gerontology in Saint Charles, MO
About Mrs. Susan Becker Leon R.n., Gnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. SUSAN BECKER LEON R.N., GNP-BC (NPI 1053756759) is an individual gerontology provider in Saint Charles, Missouri, licensed in Missouri (105654) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (2014).
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. Susan Becker Leon R.n., Gnp-bc 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 Reassignments
2Medicare enrollment records show Susan Leon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 744 clinicians in this Medicare group
Saint Louis, MO 63124
- Reassigned Medicare billing, Missouri enrollment
- 2 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 2
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 2
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, MOMercy Hospital South
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63303 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
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 Susan Leon's NPI number?
The NPI number for Susan Leon is 1053756759. It was assigned to this individual provider in the NPPES registry on May 8, 2013.
Where is Susan Leon located?
Susan Leon practices at 1820 Zumbehl Rd Ste 120, Saint Charles, MO 63303. The listed phone number is (636) 947-2334.
What is Susan Leon's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Susan Leon enrolled in Medicare?
Yes. Susan Leon 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 organizations bill Medicare for Susan Leon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Susan Leon reassigns Medicare benefits to 2 organizations: Mercy Clinic East Communities (Saint Louis, MO) and (Saint Louis, MO). Each 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 Susan Leon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Susan Leon accept?
Health plans from Anthem Blue Cross and Blue Shield list Susan Leon 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 Susan Leon affiliated with any hospitals?
According to CMS data, Susan Leon is affiliated with Mercy Hospital St Louis and Mercy Hospital South.
When was this NPI record last updated?
The NPPES record for Susan Leon was last updated on January 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Susan Becker Leon, R.N., GNP-BC · NPI 1053756759
Gerontology physician in Saint Charles, Missouri. Individual provider, active in the CMS NPPES registry since May 8, 2013.
## Identity
- **NPI:** 1053756759 (Entity type: Individual)
- **Enumerated:** May 8, 2013
- **Primary specialty:** Nurse Practitioner - Gerontology · taxonomy 363LG0600X
- **State license:** 105654 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1820 ZUMBEHL RD STE 120, Saint Charles, MO 63303-2761
- **Phone:** (636) 947-2334
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Mercy Clinic East Communities (NPI 1043574940, Saint Louis, MO); (NPI 1326063991, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** January 10, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1053756759) · Data from the CMS NPPES public registry.