KAREFIRST MISSOURI PC
NPI 1942658943
Nurse Practitioner in Saint Peters, MO
About Karefirst Missouri Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREFIRST MISSOURI PC (NPI 1942658943) is a healthcare organization registered as a nurse practitioner in Saint Peters, Missouri and active in the NPI registry since May 2016. The organization lists Kimberly Wilson, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Karefirst Missouri Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
24Medicare enrollment records show 24 clinicians reassign Medicare billing to Karefirst Missouri PC, which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Nearest to this location (20)
See all 24Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Karefirst Missouri PC's NPI number?
The NPI number for Karefirst Missouri PC is 1942658943. It was assigned to this organization in the NPPES registry on May 31, 2016.
Where is Karefirst Missouri PC located?
Karefirst Missouri PC is located at 230 Spencer Rd, Saint Peters, MO 63376. The listed phone number is (847) 235-6130.
What is Karefirst Missouri PC's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Karefirst Missouri PC enrolled in Medicare?
Yes. Karefirst Missouri PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Karefirst Missouri PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 24 clinicians, all in Nurse Practitioner, reassign their Medicare billing to Karefirst Missouri PC. A 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 the clinician's services. Of these, 3 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Karefirst Missouri PC 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 1 other insurer list Karefirst Missouri PC 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 Karefirst Missouri PC was last updated on June 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.
# Karefirst Missouri Pc · NPI 1942658943
Nurse Practitioner organization in Saint Peters, Missouri. Organization record, active in the CMS NPPES registry since May 31, 2016.
## Identity
- **NPI:** 1942658943 (Entity type: Organization)
- **Enumerated:** May 31, 2016
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **Organization subpart:** No
- **Authorized official:** Kimberly Wilson, PRESIDENT
## Practice location
- **Address:** 230 SPENCER RD, Saint Peters, MO 63376-2425
- **Phone:** (847) 235-6130 · **Fax:** (847) 235-6135
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 24 clinicians (Nurse Practitioner) reassign Medicare billing to this organization (form CMS-855R); 3 practice within 10 miles; [full list](https://npiprofile.com/npi/1942658943/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 16, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1942658943) · Data from the CMS NPPES public registry.