CASTILLEJA ADULT CLINIC PLLC
NPI 1376305441
Nurse Practitioner - Family in Laredo, TX

Active since January 25, 2024CLIA 45D2304380 · Waiver
201 W HILLSIDE RD STE 17, LAREDO, TX 78041(956) 394-2502(956) 290-8059 Get Directions Write a Review

NPPES record last updated: January 25, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Castilleja Adult Clinic Pllc NPPES

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

CASTILLEJA ADULT CLINIC PLLC (NPI 1376305441) is a healthcare organization registered as a family in Laredo, Texas and active in the NPI registry since January 2024. The organization holds a CLIA Waiver certificate valid through May 12, 2028 and lists Gabriel Castilleja, Fnp/owner, as its authorized official.

NPPES Registry Identity

NPI1376305441
Entity TypeOrganization
Primary Taxonomy363LF0000X
Legal Business NameCASTILLEJA ADULT CLINIC PLLC
Location Address201 W HILLSIDE RD STE 17Laredo, TX 78041-3197
Mailing AddressPo Box 451044Laredo, TX 78045-0025 · (956) 394-2502 · Fax (956) 290-8059
Fax(956) 290-8059
Organization SubpartNo
Authorized OfficialGabriel CastillejaFnp/owner · (956) 394-2502
Enumeration DateJanuary 25, 2024
NPPES CertifiedJanuary 25, 2024
✔ NPI 1376305441 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
201 W HILLSIDE RD STE 17, Laredo, TX 78041

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Castilleja Adult Clinic Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Castilleja Adult Clinic PLLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Nurse Practitioner
NPI 1831544808
201 W HILLSIDE RD STE 17
Laredo, TX 78041
(956) 394-2502
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1194218289
208 SHILOH DR STE 1
Laredo, TX 78045
(956) 718-6281
✔ PECOS✔ Accepts Medicare2.8 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 45D2304380

Castilleja Adult Clinic PLLC · Laredo, TX
Active · expires May 12, 2028
CLIA Number45D2304380
Laboratory TypePhysician Office
Certificate Effective DateMay 13, 2026
Certificate Expiration DateMay 12, 2028
Laboratory DirectorGabriel Castilleja
Laboratory Phone(956) 394-2502
Laboratory LocationCastilleja Adult Clinic PLLC201 W Hillside Rd Ste 17, Laredo, TX 78041
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Castilleja Adult Clinic PLLC's NPI number?

The NPI number for Castilleja Adult Clinic PLLC is 1376305441. It was assigned to this organization in the NPPES registry on January 25, 2024.

Where is Castilleja Adult Clinic PLLC located?

Castilleja Adult Clinic PLLC is located at 201 W Hillside Rd Ste 17, Laredo, TX 78041. The listed phone number is (956) 394-2502.

What is Castilleja Adult Clinic PLLC's specialty?

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

Is Castilleja Adult Clinic PLLC enrolled in Medicare?

Yes. Castilleja Adult Clinic PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Castilleja Adult Clinic PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Nurse Practitioner, reassign their Medicare billing to Castilleja Adult Clinic PLLC. A 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 the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Castilleja Adult Clinic PLLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D2304380) is associated with this NPI, valid through May 12, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Castilleja Adult Clinic PLLC accept?

Health plans from Blue Cross and Blue Shield of Texas and WellPoint list Castilleja Adult Clinic PLLC 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 Castilleja Adult Clinic PLLC was last updated on January 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.