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WILLIAM R MCKENNA MD
NPI 1164446399
Allergy & Immunology in Harlingen, TX

Active since July 27, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 45D0503663 · Microscopy
1713 TREASURE HILLS BLVD STE 1B, HARLINGEN, TX 78550(956) 425-9240(956) 412-8575 Get Directions Write a Review

NPPES record last updated: October 15, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 15, 2020, Sep 21, 2020 (2 updates tracked since 2020).

About William R Mckenna Md NPPES

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

WILLIAM R MCKENNA MD (NPI 1164446399) is an individual allergy & immunology provider in Harlingen, Texas, licensed in Texas (E8709) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, holds a CLIA Microscopy certificate valid through December 18, 2026, and is a graduate of Texas Tech University Health Science Center School Of Medicine (1977).

NPPES Registry Identity

NPI1164446399
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameWILLIAM R MCKENNACredential: MD
Location Address1713 TREASURE HILLS BLVD STE 1BHarlingen, TX 78550-8913
Mailing Address1713 Treasure Hills Blvd Ste 1bHarlingen, TX 78550-8913 · (956) 425-9240 · Fax (956) 412-8575
Phone(956) 425-9240
Fax(956) 412-8575
Sole ProprietorYes
Medical School CMSTexas Tech University Health Science Center School Of MedicineGraduated 1977
Enumeration DateJuly 27, 2006
Last NPPES UpdateOctober 15, 20202 updates tracked since enumeration
NPPES CertifiedOctober 15, 2020
✔ NPI 1164446399 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in TX · E8709
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
1713 TREASURE HILLS BLVD STE 1B, Harlingen, TX 78550
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Other Identifiers 1

Medicaid035867301TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William R Mckenna Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7012016231
PECOS Enrollment IDI20070628000202
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.

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 for Provider-Performed Microscopy Procedures (PPMP) 45D0503663

William R Mckenna M D P A · Harlingen, TX
Active · expires Dec 18, 2026
CLIA Number45D0503663
Laboratory TypePhysician Office
Certificate Effective DateDecember 19, 2024
Certificate Expiration DateDecember 18, 2026
Laboratory DirectorWilliam R. Mckenna
Laboratory Phone(956) 425-9240
Laboratory LocationWilliam R Mckenna M D P A1713 Treasure Hills Blvd Suite 1B, Harlingen, TX 78550
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401
This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.
156 services21 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
106 services16 patients
Test to measure expiratory airflow and volume 94010
This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.
80 services48 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
65 services45 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
53 services37 patients
Administration and interpretation of patient-focused health risk assessment 96160
This procedure involves a detailed evaluation of your health to identify potential risks. It includes analyzing your medical history, lifestyle habits, and family health history. The results are interpreted to provide a personalized plan to improve your health and prevent future issues.
29 services24 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
100%141 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221
DME-Other DME · category DE017N
3 suppliers46 claims95 services$18.35 avg. paid by Medicare
Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222
DME-Medical/Surgical Supplies · category DA000N
1 supplier13 claims13 services$35.74 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier11 claims11 services$5.76 avg. paid by Medicare
Injection, immune globulin (cuvitru), 100 mg J1555
Treatment-Injections and Infusions (nononcologic) · category RI008N
3 suppliers33 claims25,200 services$11.72 avg. paid by Medicare
Injection, immune globulin/hyaluronidase, (hyqvia), 100 mg immuneglobulin J1575
Treatment-Injections and Infusions (nononcologic) · category RI008N
1 supplier13 claims5,200 services$12.32 avg. paid by Medicare
Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613
DME-Drugs Administered Through DME · category DG006N
4 suppliers20 claims3,815 services$0.03 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

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

DR. RIGOBERTO GARZA MD
Allergy & Immunology
1713 TREASURE HILLS BLVD STE 1B
HARLINGEN, TX 78550
Cameron County (956) 425-9240
MR. CLEOFAS PENA PA
Physician Assistant
1713 TREASURE HILLS BLVD STE 1B
HARLINGEN, TX 78550
Cameron County (956) 425-9240

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 Mckenna's NPI number?

The NPI number for William Mckenna is 1164446399. It was assigned to this individual provider in the NPPES registry on July 27, 2006.

Where is William Mckenna located?

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

What is William Mckenna's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is William Mckenna enrolled in Medicare?

Yes. William Mckenna is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Does William Mckenna hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 45D0503663) is associated with this NPI, valid through December 18, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does William Mckenna accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list William Mckenna 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 Mckenna was last updated on October 15, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.