RACHEL LOUISE CLOSSER FNP-C
NPI 1205411535
Nurse Practitioner - Family in Lake St Louis, MO
About Rachel Louise Closser Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RACHEL LOUISE CLOSSER FNP-C (NPI 1205411535) is an individual family provider in Lake St Louis, Missouri, licensed in Missouri (2021009748) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with St Lukes Hospital, and is a graduate of Saint Louis University School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses 2
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
Rachel Louise Closser Fnp-c 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 Rachel Closser reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lake St Louis, MO 63367
- Reassigned Medicare billing, Missouri enrollment
- 4 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.
St Lukes Hospital
Acute Care Hospitals · Chesterfield, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63367 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Rachel Closser's NPI number?
The NPI number for Rachel Closser is 1205411535. It was assigned to this individual provider in the NPPES registry on March 17, 2021.
Where is Rachel Closser located?
Rachel Closser practices at 13203 Big River Dr, Lake St Louis, MO 63367. The listed phone number is (573) 639-9219.
What is Rachel Closser's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Rachel Closser enrolled in Medicare?
Yes. Rachel Closser 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 Rachel Closser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rachel Closser reassigns Medicare benefits to St. Louis Vascular Surgical Specialists PC (Lake St 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 Rachel Closser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rachel Closser accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 4 other insurers list Rachel Closser 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 Rachel Closser affiliated with any hospitals?
According to CMS data, Rachel Closser is affiliated with St Lukes Hospital.
When was this NPI record last updated?
The NPPES record for Rachel Closser was last updated on August 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Rachel Louise Closser, FNP-C · NPI 1205411535
Family physician in Lake St Louis, Missouri. Individual provider, active in the CMS NPPES registry since March 17, 2021.
## Identity
- **NPI:** 1205411535 (Entity type: Individual)
- **Enumerated:** March 17, 2021
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 2021009748 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 13203 BIG RIVER DR, Lake St Louis, MO 63367-1983
- **Phone:** (573) 639-9219
## 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:** St. Louis Vascular Surgical Specialists PC (NPI 1477246312, Lake St Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Saint Louis University School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** August 16, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1205411535) · Data from the CMS NPPES public registry.