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MCKENNA ALLERGY AND ASTHMA CLINIC
NPI 1386766681
Allergy & Immunology - Allergy in Harlingen, TX

Active since April 06, 2007
1713 TREASURE HILLS BLVD, 1B, HARLINGEN, TX 78550(956) 425-9240(956) 412-8575 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mckenna Allergy And Asthma Clinic NPPES

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

MCKENNA ALLERGY AND ASTHMA CLINIC (NPI 1386766681) is a healthcare organization registered as an allergy in Harlingen, Texas and active in the NPI registry since April 2007. The organization lists William R Mckenna, Medical Doctor, as its authorized official.

NPPES Registry Identity

NPI1386766681
Entity TypeOrganization
Primary Taxonomy207KA0200X
Legal Business NameWILLIAM R MCKENNA MD PA
Location Address1713 TREASURE HILLS BLVD, 1BHarlingen, TX 78550-8917
Mailing AddressPo Box 6San Benito, TX 78586-0001 · (956) 425-9240 · Fax (956) 412-8575
Phone(956) 425-9240
Fax(956) 412-8575
Organization SubpartNo
Authorized OfficialWilliam R MckennaMedical Doctor · (956) 425-9240
Enumeration DateApril 6, 2007
Last NPPES UpdateAugust 22, 2020
✔ NPI 1386766681 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians
Taxonomy Code207KA0200X
Definition
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee
1713 TREASURE HILLS BLVD, Harlingen, TX 78550
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Other Names 1

Doing Business AsMckenna Allergy And Asthma Clinic

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

The full list of accepted plans is on the Insurance tab. Issuers include WellPoint.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)

Mckenna Allergy And Asthma Clinic 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 Mckenna Allergy And Asthma Clinic, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

William Mckenna, MD
Allergy/Immunology
NPI 1164446399
1713 TREASURE HILLS BLVD STE 1B
Harlingen, TX 78550
(956) 425-9240
✔ PECOS✔ Accepts MedicareSame address
Rigoberto Garza, MD
Allergy/Immunology
NPI 1144679556
1713 TREASURE HILLS BLVD STE 1B
Harlingen, TX 78550
(956) 425-9240
✔ 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 William R Mckenna MD PA's NPI number?

The NPI number for William R Mckenna MD PA is 1386766681. It was assigned to this organization in the NPPES registry on April 6, 2007. The provider is doing business as Mckenna Allergy And Asthma Clinic.

Where is William R Mckenna MD PA located?

William R Mckenna MD PA is located at 1713 Treasure Hills Blvd 1B, Harlingen, TX 78550. The listed phone number is (956) 425-9240.

What is William R Mckenna MD PA's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Is William R Mckenna MD PA enrolled in Medicare?

Yes. William R Mckenna MD PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through William R Mckenna MD PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Allergy/Immunology, reassign their Medicare billing to William R Mckenna MD PA. 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, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does William R Mckenna MD PA accept?

Health plans from WellPoint list William R Mckenna MD PA 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 William R Mckenna MD PA was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.