Dr. John Willis, DO
252 Matlock Rd Ste 130, Mansfield, TX 76063
What This Doctor Actually Performs: CMS Medicare Utilization & Mansfield Percentiles
NPI #1205891207 • CBSA Regional • Internal Medicine
Operating out of Mansfield, TX (252 Matlock Rd Ste 130), Internal Medicine clinician Dr. John Willis, DO (accredited MD/DO training, 2011) maintains a focused low-volume boutique caseload (33.33th Mansfield percentile) (20.35th TX percentile; Z-score -0.22σ across 851 documented services) with sub-specialty concentration in 32 Active CMS HCPCS Codes.
Procedural volume for Dr. Willis is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 347 annual services, $148–$202 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 200/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 100/yr).
Compared against Mansfield, TX Internal Medicine peers
851 annual services across 219 beneficiaries
Standard deviations from TX Internal Medicine mean utilization
Top Billed HCPCS/CPT Procedures (CMS Medicare Part B)
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct |
|---|---|---|---|
| 99214 | Moderate-to-High Complexity Internal Medicine Follow-Up | 347 | 33.33th |
| 99213 | Established Preventive & Chronic Care Visit | 200 | 35.33th |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 100 | 38.33th |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 77 | 31.33th |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 46 | 29.33th |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (32 HCPCS billing breadth) | 80 | 33.33th |
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Dr. John Willis, DO CMS Utilization Summary
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Willis National Provider Identifier | NPI #1205891207 (DO) | CMS NPPES Registry (76063) |
| Dr. Willis Mansfield CMS Volume Rank | 33.33th Pct (851 CMS svcs; Z -0.220σ) | CMS Medicare Part B (TX Internal Medicine) |
| Annual Medicare Patients Treated | 219 unique Medicare beneficiaries/yr | CMS Medicare Physician & Other Practitioners (TX) |
| Statewide Specialty Volume Percentile | 20.35th Percentile in TX | CMS TX Internal Medicine Peer Distribution |
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