NADIA IVETH SIFUENTES FNP
NPI 1669002564
Nurse Practitioner - Family in Brownsville, TX

Active since January 19, 2020PECOS Enrolled
800 W JEFFERSON ST STE 200, BROWNSVILLE, TX 78520(956) 574-0431(956) 541-1011 Get Directions Write a Review

NPPES record last updated: March 9, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 9, 2026, Feb 4, 2026, Feb 26, 2020 and 1 more (4 updates tracked since 2020).

About Nadia Iveth Sifuentes Fnp NPPES

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

NADIA IVETH SIFUENTES FNP (NPI 1669002564) is an individual family provider in Brownsville, Texas, licensed in Texas (AP145039) and active in the NPI registry since January 2020. She is enrolled in Medicare PECOS and maintains a secondary practice location in Weslaco.

NPPES Registry Identity

NPI1669002564
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameNADIA IVETH SIFUENTESCredential: FNP
Location Address800 W JEFFERSON ST STE 200Brownsville, TX 78520-6300
Mailing Address1908 N Laurent St Ste 250Victoria, TX 77901-5417 · (361) 576-0694 · Fax (956) 306-6941
Fax(956) 541-1011
Sole ProprietorYes
Enumeration DateJanuary 19, 2020
Last NPPES UpdateMarch 9, 20264 updates tracked since enumeration
NPPES CertifiedMarch 9, 2026
NPI 1669002564 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 · AP145039
800 W JEFFERSON ST STE 200, Brownsville, TX 78520

Secondary Practice Location 1

Location 1422 E 18th StWeslaco, TX 78596-8032 · Phone (956) 973-8451 · Fax (956) 306-6941

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Nadia Iveth Sifuentes Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78520 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 3

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

Nurse Practitioner (Family)
800 W JEFFERSON ST STE 200
BROWNSVILLE, TX 78520
Family Medicine
800 W JEFFERSON ST STE 200
BROWNSVILLE, TX 78520
Physician Assistant
800 W JEFFERSON ST STE 200
BROWNSVILLE, TX 78520

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 Nadia Sifuentes's NPI number?

The NPI number for Nadia Sifuentes is 1669002564. It was assigned to this individual provider in the NPPES registry on January 19, 2020.

Where is Nadia Sifuentes located?

Nadia Sifuentes practices at 800 W Jefferson St Ste 200, Brownsville, TX 78520. The listed phone number is (956) 574-0431.

What is Nadia Sifuentes's specialty?

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

Is Nadia Sifuentes enrolled in Medicare?

Yes. Nadia Sifuentes is registered in the Medicare PECOS enrollment system.

What insurance does Nadia Sifuentes accept?

Health plans from Blue Cross and Blue Shield of Texas list Nadia Sifuentes 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 Nadia Sifuentes was last updated on March 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.