MRS. KEELY BRIANA DAYTON FNP-C
NPI 1407315682
Nurse Practitioner in Saint Louis, MO
About Mrs. Keely Briana Dayton Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. KEELY BRIANA DAYTON FNP-C (NPI 1407315682) is an individual nurse practitioner in Saint Louis, Missouri, licensed in Illinois (043111813) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Red Bud Regional Hospital, and maintains 7 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 7
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. Keely Briana Dayton 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 Reassignments
3Medicare enrollment records show Keely Dayton reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- 106 clinicians in this Medicare group
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- 744 clinicians in this Medicare group
Fenton, MO 63026
- Reassigned Medicare billing, Illinois enrollment
- 25 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 5
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Red Bud Regional Hospital
Critical Access Hospitals · Red Bud, ILSsm St Clare Health Center
Acute Care Hospitals · Fenton, MOSsm Health St Mary's Hospital - St Louis
Acute Care Hospitals · Richmond Heights, MOPhysician 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
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 Keely Dayton's NPI number?
The NPI number for Keely Dayton is 1407315682. It was assigned to this individual provider in the NPPES registry on March 18, 2019. The provider is also known as Ms. Keely Briana Meehan Np.
Where is Keely Dayton located?
Keely Dayton practices at 10010 Kennerly Rd, Saint Louis, MO 63128. The listed phone number is (636) 386-7222.
What is Keely Dayton's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Keely Dayton enrolled in Medicare?
Yes. Keely Dayton 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 Keely Dayton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Keely Dayton reassigns Medicare benefits to 3 organizations: South County Anesthesia Associates, Ltd. (Saint Louis, MO), Mercy Clinic East Communities (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 Keely Dayton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Keely Dayton 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 Keely Dayton 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 Keely Dayton affiliated with any hospitals?
According to CMS data, Keely Dayton is affiliated with Red Bud Regional Hospital, Ssm St Clare Health Center and Ssm Health St Mary's Hospital - St Louis.
When was this NPI record last updated?
The NPPES record for Keely Dayton was last updated on May 9, 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.