WILLIAM MATTINGLY
NPI 1407352115
Counselor - Professional in Kirkwood, MO
About William Mattingly NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM MATTINGLY (NPI 1407352115) is an individual professional provider in Kirkwood, Missouri, licensed in Missouri (2017041348) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and is a graduate of Other (2017).
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 (PECOS)
William Mattingly is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Mattingly reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63122
- Reassigned Medicare billing, Missouri enrollment
- 6 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.
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.
SAINT LOUIS, MO 63122
KIRKWOOD, MO 63122
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 William Mattingly's NPI number?
The NPI number for William Mattingly is 1407352115. It was assigned to this individual provider in the NPPES registry on April 2, 2018.
Where is William Mattingly located?
William Mattingly practices at 12166 Old Big Bend Rd Ste 204, Kirkwood, MO 63122. The listed phone number is (314) 822-8888.
What is William Mattingly's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.
Is William Mattingly enrolled in Medicare?
Yes. William Mattingly is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Mattingly's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Mattingly reassigns Medicare benefits to Carepoint Christian Counseling, LLC (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 William Mattingly's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Mattingly 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 3 other insurers list William Mattingly 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 William Mattingly was last updated on February 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# William Mattingly · NPI 1407352115
Professional provider in Kirkwood, Missouri. Individual provider, active in the CMS NPPES registry since April 2, 2018.
## Identity
- **NPI:** 1407352115 (Entity type: Individual)
- **Enumerated:** April 2, 2018
- **Primary specialty:** Counselor - Professional · taxonomy 101YP2500X
- **State license:** 2017041348 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 12166 OLD BIG BEND RD STE 204, Kirkwood, MO 63122-6836
- **Phone:** (314) 822-8888
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Carepoint Christian Counseling, LLC (NPI 1023394319, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** February 21, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1407352115) · Data from the CMS NPPES public registry.