CHERYL VIAU APRN, FNP-BC, NP-C
NPI 1710427547
Nurse Practitioner - Family in Arnold, MO
About Cheryl Viau Aprn, Fnp-bc, Np-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHERYL VIAU APRN, FNP-BC, NP-C (NPI 1710427547) is an individual family provider in Arnold, Missouri, licensed in Missouri (2016034335) and active in the NPI registry since February 2017. She is enrolled in Medicare PECOS, is affiliated with Ssm St Clare Health Center, and is a graduate of Other (2016).
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
Cheryl Viau Aprn, Fnp-bc, Np-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
4Medicare enrollment records show Cheryl Viau reassigns Medicare billing to 4 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
- 744 clinicians in this Medicare group
Fenton, MO 63026
- Reassigned Medicare billing, Missouri enrollment
- 741 clinicians in this Medicare group
Chesterfield, MO 63017
- Reassigned Medicare billing, Missouri enrollment
- 169 clinicians in this Medicare group
Chesterfield, MO 63017
- Reassigned Medicare billing, Missouri enrollment
- 263 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm St Clare Health Center
Acute Care Hospitals · Fenton, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63010 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 15
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 Cheryl Viau's NPI number?
The NPI number for Cheryl Viau is 1710427547. It was assigned to this individual provider in the NPPES registry on February 27, 2017.
Where is Cheryl Viau located?
Cheryl Viau practices at 1296 Jeffco Blvd, Arnold, MO 63010. The listed phone number is (314) 989-2820.
What is Cheryl Viau's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Cheryl Viau enrolled in Medicare?
Yes. Cheryl Viau 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 Cheryl Viau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cheryl Viau reassigns Medicare benefits to 4 organizations: Mercy Clinic East Communities (Saint Louis, MO), Ssm Health Care St Louis (Fenton, MO), Mercy East Ambulatory Services LLC (Chesterfield, MO) and Mercy Aco Clinical Services Inc (Chesterfield, 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 Cheryl Viau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cheryl Viau 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 Cheryl Viau 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 Cheryl Viau affiliated with any hospitals?
According to CMS data, Cheryl Viau is affiliated with Ssm St Clare Health Center.
When was this NPI record last updated?
The NPPES record for Cheryl Viau was last updated on February 27, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.