AMY MARIE CERNIK CNP
NPI 1235026105
Nurse Practitioner - Family in Festus, MO
About Amy Marie Cernik Cnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMY MARIE CERNIK CNP (NPI 1235026105) is an individual family provider in Festus, Missouri, licensed in Missouri (2025024112) and active in the NPI registry since June 2025. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Jefferson, and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
Amy Marie Cernik Cnp 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
2Medicare enrollment records show Amy Cernik reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 168 clinicians in this Medicare group
Wentzville, MO 63385
- Reassigned Medicare billing, Missouri enrollment
- 968 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Jefferson
Acute Care Hospitals · Festus, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63028 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 3
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 Amy Cernik's NPI number?
The NPI number for Amy Cernik is 1235026105. It was assigned to this individual provider in the NPPES registry on June 23, 2025. The provider is also known as Amy Marie Reed.
Where is Amy Cernik located?
Amy Cernik practices at 1390 Us Highway 61 Ste G1000, Festus, MO 63028. The listed phone number is (636) 933-7400.
What is Amy Cernik's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Amy Cernik enrolled in Medicare?
Yes. Amy Cernik 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 Amy Cernik's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy Cernik reassigns Medicare benefits to 2 organizations: Mercy Clinic Surgical Specialists, LLC (Washington, MO) and Compass Health, Inc. (Wentzville, 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 Amy Cernik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amy Cernik 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 Amy Cernik 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 Amy Cernik affiliated with any hospitals?
According to CMS data, Amy Cernik is affiliated with Mercy Hospital Jefferson.
When was this NPI record last updated?
The NPPES record for Amy Cernik was last updated on December 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Amy Marie Cernik, CNP · NPI 1235026105
Family physician in Festus, Missouri. Individual provider, active in the CMS NPPES registry since June 23, 2025.
## Identity
- **NPI:** 1235026105 (Entity type: Individual)
- **Enumerated:** June 23, 2025
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 2025024112 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1390 US HIGHWAY 61 STE G1000, Festus, MO 63028-4136
- **Phone:** (636) 933-7400 · **Fax:** (636) 933-7403
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Mercy Clinic Surgical Specialists, LLC (NPI 1043530538, Washington, MO); Compass Health, Inc. (NPI 1861618308, Wentzville, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** December 3, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1235026105) · Data from the CMS NPPES public registry.