Dr. Mark Wallis, MD
3535 N Fourth St Ste 400, Longview, TX 75605 • +1-548-555-4761
Medical Education: Accredited U.S. Medical School (Class of 2013)
What This Doctor Actually Performs: CMS Medicare Utilization & Longview Percentiles
NPI #1861489049 • CBSA Regional • Dermatology
Anchored in Longview, TX 75605, Dr. Mark Wallis, MD (NPI 1861489049) logged 12,459 annual procedures (upper-quartile active clinical volume (85.71th Longview percentile), 93.8th TX percentile, +1.31σ) with sub-specialty concentration in 113 Active CMS HCPCS Codes.
Procedural volume for Dr. Wallis is led by HCPCS 17000 (Cryotherapy Destruction of Premalignant Actinic Lesion — 2347 annual services, $92–$126 GPCI cash estimate), followed by CPT 99213 (Focused Cutaneous & Dermoscopic Examination, 2140/yr) and CPT 11102 (Tangential Diagnostic Skin Biopsy of Single Lesion, 1312/yr).
Cash-pay intake data for NPI 1861489049 (3535 N Fourth St Ste 400, Longview) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 10-minute average reception wait and 4.54/5 biomarker openness.
From 3535 N Fourth St Ste 400 in Longview (+1-548-555-4761), Dr. Wallis, MD (13-year clinical track record) delivers 113 Active CMS HCPCS Codes care.
Compared against Longview, TX Dermatology peers
12,459 annual services across 1,676 beneficiaries
Standard deviations from TX Dermatology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 17000 | Cryotherapy Destruction of Premalignant Actinic Lesion | 2,347 | 85.71th | $92 – $126 |
| 99213 | Focused Cutaneous & Dermoscopic Examination | 2,140 | 80.71th | $103 – $141 |
| 11102 | Tangential Diagnostic Skin Biopsy of Single Lesion | 1,312 | 83.71th | $135 – $185 |
| 11401 | Excision of Benign Cutaneous Lesion (0.6 to 1.0 cm) | 690 | 86.71th | $189 – $259 |
| 99203 | New Patient Full-Body Skin Cancer & Dermatology Evaluation | 414 | 87.71th | $146 – $200 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (113 HCPCS billing breadth) | 5,556 | 85.71th | $112 – $162 |
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Dr. Mark Wallis, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Wallis National Provider Identifier | NPI #1861489049 (MD) | CMS NPPES Registry (75605) |
| Dr. Wallis Longview CMS Volume Rank | 85.71th Pct (12,459 CMS svcs; Z +1.306σ) | CMS Medicare Part B (TX Dermatology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Longview, TX) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 10 min lobby wait | 6 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.67/5 Listening • 4.54/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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