What is William Mckenna's specialty?

William Mckenna (NPI 1164446399) is a Medicare-billing provider whose primary specialty is Allergy/ Immunology in Harlingen, TX.

Where does William Mckenna practice?

William Mckenna practices in Harlingen, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1164446399.

How much does Medicare pay William Mckenna?

William Mckenna (NPI 1164446399) received approximately $325K in total Medicare Part B payments, serving 107 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1164446399

William MckennaMD

Allergy/ ImmunologyHarlingen, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

208

Unique beneficiaries

—

Total services

506

Distinct HCPCS

Medicare payment

$21K

Peer benchmark

Total Medicare services vs. 271 Allergy/ Immunology providers in TX — top quintile (cohort median 3,885).

PRESCRIBING · PART D · 2024

Total Rx claims

896

Beneficiaries

—

Total drug cost

$707K

Distinct drugs

Brand share

54.4%

Top prescribed drugs

Fluticasone Propionate203 claims

Albuterol Sulfate89 claims

Fluticasone/Vilanterol67 claims

Azelastine Hcl64 claims

Montelukast Sodium62 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$3K

Payment records

137

By payment type

Food and Beverage$3K

Education$99

Top paying entities

Food and Beverage$3K

Education$99

REFERRAL NETWORK

Where William Mckenna's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 2 inbound referrers · 4 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
VHS HARLINGEN HOSPITAL COMPANY LLC	19	44
Clinical Pathology Laboratories, Inc. Clinical Laboratory · Austin, TX	18	32

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Clinical Pathology Laboratories, Inc. Clinical Laboratory · Austin, TX	20	43
Laboratory Corporation Of America Clinical Laboratory · Houston, TX	13	38
VHS HARLINGEN HOSPITAL COMPANY LLC	12	33
VALLEY BAPTIST LAB SERVICES LLC	11	62

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events