JENELLE ELIZABETH NADEAU MIESNER AA
NPI 1871842534
Anesthesiologist Assistant in Saint Louis, MO
About Jenelle Elizabeth Nadeau Miesner Aa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JENELLE ELIZABETH NADEAU MIESNER AA (NPI 1871842534) is an individual anesthesiologist assistant in Saint Louis, Missouri, licensed in Missouri (2012031791) and active in the NPI registry since September 2012. She is affiliated with Mercy Hospital South and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Jenelle Elizabeth Nadeau Miesner Aa 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 Jenelle Miesner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- 106 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
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital South
Acute Care Hospitals · Saint Louis, MOOther 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
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 Jenelle Miesner's NPI number?
The NPI number for Jenelle Miesner is 1871842534. It was assigned to this individual provider in the NPPES registry on September 10, 2012. The provider is also known as Jenelle Elizabeth Nadeau Aa.
Where is Jenelle Miesner located?
Jenelle Miesner practices at 10010 Kennerly Rd, Saint Louis, MO 63128. The listed phone number is (636) 386-7222.
What is Jenelle Miesner's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Jenelle Miesner enrolled in Medicare?
Yes. Jenelle Miesner 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 Jenelle Miesner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jenelle Miesner reassigns Medicare benefits to South County Anesthesia Associates, Ltd. (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 Jenelle Miesner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jenelle Miesner affiliated with any hospitals?
According to CMS data, Jenelle Miesner is affiliated with Mercy Hospital South.
When was this NPI record last updated?
The NPPES record for Jenelle Miesner was last updated on October 21, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Jenelle Elizabeth Nadeau Miesner, AA · NPI 1871842534
Anesthesiologist Assistant physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since September 10, 2012.
## Identity
- **NPI:** 1871842534 (Entity type: Individual)
- **Enumerated:** September 10, 2012
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **State license:** 2012031791 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 10010 KENNERLY RD, Saint Louis, MO 63128-2106
- **Phone:** (636) 386-7222 · **Fax:** (636) 200-4036
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** South County Anesthesia Associates, Ltd. (NPI 1821031659, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** October 21, 2019
---
Source: [NPI Profile](https://npiprofile.com/npi/1871842534) · Data from the CMS NPPES public registry.