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

DR. ANTONIO MARTINEZ FAMILY MEDICINE, PLLC
NPI 1083495188
Clinic/Center - Primary Care in Harlingen, TX

Q: What is Dr. Antonio Martinez Family Medicine, PLLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

Active since October 13, 2023

5505 S EXPRESSWAY 77 STE 201, HARLINGEN, TX 78550(956) 679-3211(575) 205-0504 Get Directions Write a Review

NPPES record last updated: October 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 13, 2026, Oct 8, 2026, Oct 13, 2023 (3 updates tracked since 2023).

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About Dr. Antonio Martinez Family Medicine, Pllc NPPES

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

DR. ANTONIO MARTINEZ FAMILY MEDICINE, PLLC (NPI 1083495188) is a healthcare organization registered as a primary care in Harlingen, Texas and active in the NPI registry since October 2023. The organization lists Antonio Martinez, Owner, as its authorized official.

NPPES Registry Identity

NPI1083495188

Entity TypeOrganization

Primary Taxonomy261QP2300X

Legal Business NameDR. ANTONIO MARTINEZ FAMILY MEDICINE, PLLC

Location Address5505 S EXPRESSWAY 77 STE 201Harlingen, TX 78550-3222

Mailing Address5505 S Expressway 77 Ste 201Harlingen, TX 78550-3222 · (956) 679-3211 · Fax (575) 205-0504

Phone(956) 679-3211

Fax(575) 205-0504

Organization SubpartNo

Authorized OfficialAntonio MartinezOwner · (614) 313-2460

Enumeration DateOctober 13, 2023

Last NPPES UpdateOctober 13, 20263 updates tracked since enumeration

NPPES CertifiedOctober 13, 2026

✔ NPI 1083495188 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities

Taxonomy Code261QP2300X

5505 S EXPRESSWAY 77 STE 201, Harlingen, TX 78550

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.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)

Dr. Antonio Martinez Family Medicine, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Dr. Antonio Martinez Family Medicine, PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Antonio Martinez, M.D.

Family Practice

NPI 1497012926

5505 S EXPRESSWAY 77 STE 201
Harlingen, TX 78550

(956) 679-3211

✔ PECOS✔ Accepts MedicareSame address

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

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 Dr. Antonio Martinez Family Medicine, PLLC's NPI number?

The NPI number for Dr. Antonio Martinez Family Medicine, PLLC is 1083495188. It was assigned to this organization in the NPPES registry on October 13, 2023.

Where is Dr. Antonio Martinez Family Medicine, PLLC located?

Dr. Antonio Martinez Family Medicine, PLLC is located at 5505 S Expressway 77 Ste 201, Harlingen, TX 78550. The listed phone number is (956) 679-3211.

What is Dr. Antonio Martinez Family Medicine, PLLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

Is Dr. Antonio Martinez Family Medicine, PLLC enrolled in Medicare?

Yes. Dr. Antonio Martinez Family Medicine, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Dr. Antonio Martinez Family Medicine, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Dr. Antonio Martinez Family Medicine, 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Dr. Antonio Martinez Family Medicine, PLLC accept?

Health plans from Blue Cross and Blue Shield of Texas list Dr. Antonio Martinez Family Medicine, 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 Dr. Antonio Martinez Family Medicine, PLLC was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.