1. Home
  2. Directory
  3. Texas
  4. Mexia
  5. Nurse Practitioner
  6. NPI Profile

KRISTEN LYNN CASTANEDA APRN, FNP-C
NPI 1841090099
Nurse Practitioner in Mexia, TX

Active since March 17, 2025PECOS EnrolledAccepts Medicare Assignment
401 E MILAM ST, MEXIA, TX 76667(254) 562-2500 Get Directions Write a Review

NPPES record last updated: April 7, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 7, 2025, Mar 17, 2025 (2 updates tracked since 2025).

About Kristen Lynn Castaneda Aprn, Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KRISTEN LYNN CASTANEDA APRN, FNP-C (NPI 1841090099) is an individual nurse practitioner in Mexia, Texas, licensed in Texas (1192402) and active in the NPI registry since March 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1841090099
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameKRISTEN LYNN CASTANEDACredential: APRN, FNP-C
Location Address401 E MILAM STMexia, TX 76667-2329
Mailing Address401 E Milam StMexia, TX 76667-2329 · (254) 562-2500
Phone(254) 562-2500
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateMarch 17, 2025
Last NPPES UpdateApril 7, 20252 updates tracked since enumeration
NPPES CertifiedApril 7, 2025
✔ NPI 1841090099 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in TX · 1192402
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
401 E MILAM ST, Mexia, TX 76667
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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

Kristen Lynn Castaneda Aprn, 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.

PECOS PAC ID5799202958
PECOS Enrollment IDI20250512000007
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Kristen Castaneda reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Arete Urgent Care, PLLC
Same address
Urgent Care
401 E MILAM ST
Mexia, TX 76667
  • Reassigned Medicare billing, Texas enrollment
  • 15 clinicians in this Medicare group
NPI 1578861639 (254) 562-2500

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 76667 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KEVIN SCOTT JENSEN D.O.
Family Medicine
401 E MILAM ST
MEXIA, TX 76667
Limestone County (254) 562-2500
ARETE URGENT CARE, PLLC
Clinic/Center (Urgent Care)
401 E MILAM ST
MEXIA, TX 76667
Limestone County (254) 562-2500
SHANA JOAN STANLEY FNP-C
Nurse Practitioner
401 E MILAM ST
MEXIA, TX 76667
Limestone County (254) 562-2500
CHEST DIAGNOSTIC THERAPEUTIC SVCS & TRANSIT NURSING OF TX, INC
Durable Medical Equipment & Medical Supplies
401 E MILAM ST
MEXIA, TX 76667
Limestone County (254) 562-3803
SAVANNAH WETZLER PA
Physician Assistant
401 E MILAM ST
MEXIA, TX 76667
Limestone County (254) 562-2500
RACHAEL F. STOLTE N. P.
Nurse Practitioner (Family)
401 E MILAM ST
MEXIA, TX 76667
Limestone County (254) 562-2500

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 Kristen Castaneda's NPI number?

The NPI number for Kristen Castaneda is 1841090099. It was assigned to this individual provider in the NPPES registry on March 17, 2025.

Where is Kristen Castaneda located?

Kristen Castaneda practices at 401 E Milam St, Mexia, TX 76667. The listed phone number is (254) 562-2500.

What is Kristen Castaneda's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Kristen Castaneda enrolled in Medicare?

Yes. Kristen Castaneda 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 organization bills Medicare for Kristen Castaneda's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristen Castaneda reassigns Medicare benefits to Arete Urgent Care, PLLC (Mexia, 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 Kristen Castaneda's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kristen Castaneda accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list Kristen Castaneda 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 Kristen Castaneda was last updated on April 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.