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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

IVANNA WARWAS FNP
NPI 1366320426
Nurse Practitioner - Family in Donna, TX

Active since August 25, 2025PECOS Enrolled
527 OAK RIDGE ST, DONNA, TX 78537(956) 659-1666 Get Directions Write a Review

NPPES record last updated: October 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ivanna Warwas Fnp NPPES

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

IVANNA WARWAS FNP (NPI 1366320426) is an individual family provider in Donna, Texas, licensed in Texas (1209550) and active in the NPI registry since August 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1366320426
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameIVANNA WARWASCredential: FNP
Location Address527 OAK RIDGE STDonna, TX 78537-4431
Mailing Address527 Oak Ridge StDonna, TX 78537-4431 · (956) 659-1666
Phone(956) 659-1666
Sole ProprietorYes
Medical School CMSOtherGraduated 2024
Enumeration DateAugust 25, 2025
Last NPPES UpdateOctober 5, 2026
NPPES CertifiedOctober 5, 2026
✔ NPI 1366320426 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in TX · 1209550
527 OAK RIDGE ST, Donna, TX 78537
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ivanna Warwas Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9830616788
PECOS Enrollment IDI20260219000790
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 Reassignments

2

Medicare enrollment records show Ivanna Warwas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Signify Health Medical Associates, PLLC
470 mi
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, Texas enrollment
  • 1,246 clinicians in this Medicare group
NPI 1750845863 (972) 715-3800
Infinite Medical PC
1,859 mi
Family Medicine
7 CREEK LN
Bristol, RI 02809
  • Reassigned Medicare billing, Texas enrollment
  • 155 clinicians in this Medicare group
NPI 1407483175 (718) 964-6161

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 78537 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.

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 Ivanna Warwas's NPI number?

The NPI number for Ivanna Warwas is 1366320426. It was assigned to this individual provider in the NPPES registry on August 25, 2025.

Where is Ivanna Warwas located?

Ivanna Warwas practices at 527 Oak Ridge St, Donna, TX 78537. The listed phone number is (956) 659-1666.

What is Ivanna Warwas's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Ivanna Warwas enrolled in Medicare?

Yes. Ivanna Warwas is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ivanna Warwas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ivanna Warwas reassigns Medicare benefits to 2 organizations: Signify Health Medical Associates, PLLC (Dallas, TX) and Infinite Medical PC (Bristol, RI). 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 Ivanna Warwas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ivanna Warwas was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days 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.