JOANNIE AGNANT
NPI 1538847157
Nurse Practitioner - Family in Houston, TX
About Joannie Agnant NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOANNIE AGNANT (NPI 1538847157) is an individual family provider in Houston, Texas, licensed in Texas (1206562) and active in the NPI registry since July 2023. She is enrolled in Medicare PECOS 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 (PECOS)
Joannie Agnant is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Joannie Agnant reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Houston, TX 77077
- Reassigned Medicare billing, Texas enrollment
- 40 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77077 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOUSTON, TX 77077
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 Joannie Agnant's NPI number?
The NPI number for Joannie Agnant is 1538847157. It was assigned to this individual provider in the NPPES registry on July 5, 2023.
Where is Joannie Agnant located?
Joannie Agnant practices at 13977 Westheimer Rd, Houston, TX 77077. The listed phone number is (713) 360-2980.
What is Joannie Agnant's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Joannie Agnant enrolled in Medicare?
Yes. Joannie Agnant is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Joannie Agnant's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joannie Agnant reassigns Medicare benefits to Centrum Medical Group, PLLC (Houston, TX). The 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 Joannie Agnant's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joannie Agnant accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 4 other insurers list Joannie Agnant 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 Joannie Agnant was last updated on February 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Joannie Agnant · NPI 1538847157
Family physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since July 5, 2023.
## Identity
- **NPI:** 1538847157 (Entity type: Individual)
- **Enumerated:** July 5, 2023
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 1206562 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 13977 WESTHEIMER RD, Houston, TX 77077-5387
- **Phone:** (713) 360-2980
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Centrum Medical Group, PLLC (NPI 1568115442, Houston, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** February 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1538847157) · Data from the CMS NPPES public registry.