WILLIAM R MCKENNA (MD) – Allergy & Immunology Physician, NPI 1164446399
Allergy & Immunology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
390 ALLERGY/IMMUNOLOGY in TX
Provider Addresses for WILLIAM R MCKENNA (MD)
1713 TREASURE HILLS BLVD STE 1B
HARLINGEN, TX 785508913
Phone: (956) 425-9240
Fax: (956) 412-8575
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 272 Open Payments records for all available years, with a total value of $6,504.
Total Amount is formed as General ($6,504) + Research ($0) + Ownership ($0) = $6,504.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($1,567).
Total Amount
$6,504
General + Research + Ownership
Payments
272
Total payment records
General Amount
$6,504
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $1,567 |
| Amgen Inc. | $793 |
| Regeneron Healthcare Solutions, Inc. | $715 |
| GENZYME CORPORATION | $351 |
| SANOFI-AVENTIS U.S. LLC | $292 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2007-06-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20070628000202 | I | Allergy/Immunology | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 95004 | Test for allergy using allergenic extract | 1,227 | 21 | $0 |
| 95024 | Test for allergy using allergenic extract injected into skin | 496 | 26 | $0 |
| 96401 | Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | 324 | 24 | $0 |
| 95165 | Professional service for preparation and provision of 1 or more antigens | 290 | 14 | $0 |
| 95117 | Professional service for multiple injections of allergen | 140 | 18 | $0 |
Insurance plans in this area (ZIP 78550)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ALLERGY/IMMUNOLOGY | TX | 90670 | Pneumococcal vaccine for injection into muscle | 19 | 19 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Allergy/Immunology, Internal Medicine | TX |
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