GUERDINE J MERCY ARNP
NPI 1447609896
Nurse Practitioner - Family in Houston, TX
About Guerdine J Mercy Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GUERDINE J MERCY ARNP (NPI 1447609896) is an individual family provider in Houston, Texas, licensed in Florida (ARNP9306798) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and is a graduate of Other (2015).
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
Guerdine J Mercy 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
3Medicare enrollment records show Guerdine Mercy reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Austin, TX 78705
- Reassigned Medicare billing, Texas enrollment
- 1,511 clinicians in this Medicare group
Cedar Park, TX 78613
- Reassigned Medicare billing, Texas enrollment
- 828 clinicians in this Medicare group
Everett, WA 98201
- Reassigned Medicare billing, Washington enrollment
- 135 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Houston Methodist Hospital
Acute Care Hospitals · Houston, TXProvidence Regional Medical Center Everett
Acute Care Hospitals · Everett, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77030 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.
HOUSTON, TX 77030
HOUSTON, TX 77030
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 Guerdine Mercy's NPI number?
The NPI number for Guerdine Mercy is 1447609896. It was assigned to this individual provider in the NPPES registry on June 7, 2016.
Where is Guerdine Mercy located?
Guerdine Mercy practices at 6565 Fannin St, Houston, TX 77030. The listed phone number is (330) 316-5510.
What is Guerdine Mercy's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Guerdine Mercy enrolled in Medicare?
Yes. Guerdine Mercy 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 Guerdine Mercy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Guerdine Mercy reassigns Medicare benefits to 3 organizations: Travis County Emergency Physicians PA (Austin, TX), Usacs Integrated Acute Care Services Of Texas, PLLC (Cedar Park, TX) and Providence Health & Services-Wa (Everett, WA). 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 Guerdine Mercy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Guerdine Mercy accept?
Health plans from Ambetter Health, Blue Cross and Blue Shield of Texas, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan and Sendero Health Plans, Local Nonprofit list Guerdine Mercy 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 Guerdine Mercy affiliated with any hospitals?
According to CMS data, Guerdine Mercy is affiliated with Houston Methodist Hospital and Providence Regional Medical Center Everett.
When was this NPI record last updated?
The NPPES record for Guerdine Mercy was last updated on April 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.