MRS. KELLY LYNN HOOK FNP-C
NPI 1548995038
Nurse Practitioner - Family in Festus, MO
About Mrs. Kelly Lynn Hook Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. KELLY LYNN HOOK FNP-C (NPI 1548995038) is an individual family provider in Festus, Missouri, licensed in Missouri (2011005963) and active in the NPI registry since July 2022. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Jefferson, and is a graduate of Other (2022).
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
Mrs. Kelly Lynn Hook 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
2Medicare enrollment records show Kelly Hook reassigns Medicare billing to 2 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
Carthage, MO 64836
- Reassigned Medicare billing, Missouri enrollment
- 133 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 2
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 Kelly Hook's NPI number?
The NPI number for Kelly Hook is 1548995038. It was assigned to this individual provider in the NPPES registry on July 19, 2022.
Where is Kelly Hook located?
Kelly Hook practices at 1500 Calvary Church Rd Ste B, Festus, MO 63028. The listed phone number is (636) 933-2900.
What is Kelly Hook's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Kelly Hook enrolled in Medicare?
Yes. Kelly Hook 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 Kelly Hook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kelly Hook reassigns Medicare benefits to 2 organizations: Mercy Clinic East Communities (Saint Louis, MO) and Mercy Hospital Carthage (Carthage, 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 Kelly Hook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kelly Hook accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma and Ambetter of Tennessee and 3 other insurers list Kelly Hook 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 Kelly Hook affiliated with any hospitals?
According to CMS data, Kelly Hook is affiliated with Mercy Hospital Jefferson.
When was this NPI record last updated?
The NPPES record for Kelly Hook was last updated on March 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Mrs. Kelly Lynn Hook, FNP-C · NPI 1548995038
Family physician in Festus, Missouri. Individual provider, active in the CMS NPPES registry since July 19, 2022.
## Identity
- **NPI:** 1548995038 (Entity type: Individual)
- **Enumerated:** July 19, 2022
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 2011005963 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 CALVARY CHURCH RD STE B, Festus, MO 63028
- **Phone:** (636) 933-2900
## 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 East Communities (NPI 1720635329, Saint Louis, MO); Mercy Hospital Carthage (NPI 1558628222, Carthage, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** March 31, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1548995038) · Data from the CMS NPPES public registry.