ANN MARIE BYRD RN, MSN, FNP-BC
NPI 1033460324
Nurse Practitioner in Chesterfield, MO
About Ann Marie Byrd Rn, Msn, Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN MARIE BYRD RN, MSN, FNP-BC (NPI 1033460324) is an individual nurse practitioner in Chesterfield, Missouri, licensed in Missouri (2012027234) and active in the NPI registry since September 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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
Ann Marie Byrd Rn, Msn, Fnp-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
4Medicare enrollment records show Ann Byrd reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ballwin, MO 63011
- Reassigned Medicare billing, Missouri enrollment
- 744 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Illinois enrollment
- 507 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 611 clinicians in this Medicare group
Fenton, MO 63026
- Reassigned Medicare billing, Missouri enrollment
- 697 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 3
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63017 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHESTERFIELD, MO 63017
CHESTERFIELD, MO 63017
CHESTERFIELD, MO 63017
CHESTERFIELD, MO 63017
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 Ann Byrd's NPI number?
The NPI number for Ann Byrd is 1033460324. It was assigned to this individual provider in the NPPES registry on September 26, 2012.
Where is Ann Byrd located?
Ann Byrd practices at 15838 Fountain Plaza Dr Ste A, Chesterfield, MO 63017. The listed phone number is (636) 484-5277.
What is Ann Byrd's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Ann Byrd enrolled in Medicare?
Yes. Ann Byrd 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 Ann Byrd's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Byrd reassigns Medicare benefits to 4 organizations: Mercy Clinic East Communities (Ballwin, MO), Fairview Heights Medical Group Sc (Saint Louis, MO), Physician Groups Lc (Saint Louis, MO) and Ssm Medical Group, Inc. (Fenton, 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 Ann Byrd's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ann Byrd accept?
Health plans from Anthem Blue Cross and Blue Shield and UnitedHealthcare list Ann Byrd 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 Ann Byrd was last updated on May 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Ann Marie Byrd, RN, MSN, FNP-BC · NPI 1033460324
Nurse Practitioner physician in Chesterfield, Missouri. Individual provider, active in the CMS NPPES registry since September 26, 2012.
## Identity
- **NPI:** 1033460324 (Entity type: Individual)
- **Enumerated:** September 26, 2012
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 2012027234 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 15838 FOUNTAIN PLAZA DR STE A, Chesterfield, MO 63017-7469
- **Phone:** (636) 484-5277
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Mercy Clinic East Communities (NPI 1700370061, Ballwin, MO); Fairview Heights Medical Group Sc (NPI 1679503668, Saint Louis, MO); Physician Groups Lc (NPI 1285664268, Saint Louis, MO); Ssm Medical Group, Inc. (NPI 1700966207, Fenton, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** May 2, 2023
- **Other identifiers:** Other P01031413 (MO); Medicaid 1033460324 (MO)
---
Source: [NPI Profile](https://npiprofile.com/npi/1033460324) · Data from the CMS NPPES public registry.