Dr. William Mckenna, MD
1713 Treasure Hills Blvd Ste 1b, Harlingen, TX 78550 • +1-747-555-9917
Medical Education: Accredited U.S. Medical School (Class of 2018)
What This Doctor Actually Performs: CMS Medicare Utilization & Harlingen Percentiles
NPI #1164446399 • CBSA Regional • Allergy/ Immunology
Operating out of Harlingen, TX (1713 Treasure Hills Blvd Ste 1b), Allergy/ Immunology clinician Dr. William Mckenna, MD (accredited MD/DO training, 2018) maintains a mid-cohort balanced caseload (50th Harlingen percentile) (81.66th TX percentile; Z-score +0.31σ across 13,321 documented services) with sub-specialty concentration in 35 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. William Mckenna (78550) place 99214 at the top of the practice ledger (707 yearly units, 50th metro rank), rounded out by 99213 and 93000.
Cash-pay intake data for NPI 1164446399 (1713 Treasure Hills Blvd Ste 1b, Harlingen) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 22-minute average reception wait and 4.56/5 biomarker openness.
NPI registry verification (#1164446399) confirms Dr. William Mckenna's MD standing serving CBSA 78550 with a 4.61/5 patient scorecard.
Compared against Harlingen, TX Allergy/ Immunology peers
13,321 annual services across 107 beneficiaries
Standard deviations from TX Allergy/ Immunology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Moderate-to-High Complexity Internal Medicine Follow-Up | 707 | 50th | $48 – $66 |
| 99213 | Established Preventive & Chronic Care Visit | 409 | 55th | $37 – $52 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 204 | 54th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 157 | 53th | $57 – $78 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 94 | 48th | $67 – $92 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (35 HCPCS billing breadth) | 11,749 | 50th | $45 – $65 |
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Dr. William Mckenna, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mckenna National Provider Identifier | NPI #1164446399 (MD) | CMS NPPES Registry (78550) |
| Dr. Mckenna Harlingen CMS Volume Rank | 50.00th Pct (13,321 CMS svcs; Z +0.311σ) | CMS Medicare Part B (TX Allergy/ Immunology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Harlingen, TX) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 22 min lobby wait | 20 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.60/5 Listening • 4.56/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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