MRS. CATHERINE JEAN MERCER ARNP
NPI 1902037252
Nurse Practitioner - Adult Health in Fort Smith, AR
About Mrs. Catherine Jean Mercer Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. CATHERINE JEAN MERCER ARNP (NPI 1902037252) is an individual adult health provider in Fort Smith, Arkansas, licensed in Oklahoma (44450) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS, is affiliated with Sequoyah County-city Of Sallisaw Hospital Authorit, and is a graduate of Other (2009).
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. Catherine Jean Mercer Arnp 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 Catherine Mercer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fort Smith, AR 72903
- Reassigned Medicare billing, Arkansas and Oklahoma enrollments
- Also billed through NPI 1902073620 (Arkansas)
- 68 clinicians in this Medicare group
Sallisaw, OK 74955
- Reassigned Medicare billing, Texas enrollment
- 1,047 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 12
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.
Sequoyah County-City Of Sallisaw Hospital Authorit
Acute Care Hospitals · Sallisaw, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 72903 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FORT SMITH, AR 72903
FORT SMITH, AR 72903
FORT SMITH, AR 72903
FORT SMITH, AR 72903
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 Catherine Mercer's NPI number?
The NPI number for Catherine Mercer is 1902037252. It was assigned to this individual provider in the NPPES registry on August 4, 2009.
Where is Catherine Mercer located?
Catherine Mercer practices at 7301 Rogers Ave, Fort Smith, AR 72903. The listed phone number is (918) 899-5586.
What is Catherine Mercer's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Catherine Mercer enrolled in Medicare?
Yes. Catherine Mercer 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 Catherine Mercer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Mercer reassigns Medicare benefits to 2 organizations: Mercy Clinic Fort Smith Communities (Fort Smith, AR) and Cherokee Nation (Sallisaw, OK). 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 Catherine Mercer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Catherine Mercer accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Catherine Mercer 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 Catherine Mercer affiliated with any hospitals?
According to CMS data, Catherine Mercer is affiliated with Sequoyah County-City Of Sallisaw Hospital Authorit.
When was this NPI record last updated?
The NPPES record for Catherine Mercer was last updated on October 12, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.