Dr. Mark Casillas, MD
1139 E Sonterra Blvd Ste 205, San Antonio, TX 78258 • +1-409-555-8066
Medical Education: Accredited U.S. Medical School (Class of 1998)
What This Doctor Actually Performs: CMS Medicare Utilization & San Antonio Percentiles
NPI #1598709305 • CBSA Regional • Orthopedic Surgery
Anchored in San Antonio, TX 78258, Dr. Mark Casillas, MD (NPI 1598709305) logged 2,159 annual procedures (mid-cohort balanced caseload (46.84th San Antonio percentile), 45.42th TX percentile, -0.37σ) with sub-specialty concentration in 108 Active CMS HCPCS Codes.
Procedural volume for Dr. Casillas is led by HCPCS 99213 (Focused Orthopedic Joint & Spine Mobility Evaluation — 556 annual services, $115–$157 GPCI cash estimate), followed by CPT 20610 (Major Joint (Knee/Shoulder/Hip) Aspiration or Injection, 417/yr) and CPT 73562 (Radiologic Weight-Bearing 3-View Knee Examination, 294/yr).
Uninsured and high-deductible cash patients visiting Dr. Mark Casillas in San Antonio (78258) face an estimated $209.00 initial evaluation fee at 1139 E Sonterra Blvd Ste 205 (in-person clinic visits only; 17-minute average reception wait; bedside manner 4.75/5 from 21 verified reports).
NPI registry verification (#1598709305) confirms Dr. Mark Casillas's MD standing serving CBSA 78258 with a 4.74/5 patient scorecard.
Compared against San Antonio, TX Orthopedic Surgery peers
2,159 annual services across 423 beneficiaries
Standard deviations from TX Orthopedic Surgery mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99213 | Focused Orthopedic Joint & Spine Mobility Evaluation | 556 | 46.84th | $115 – $157 |
| 20610 | Major Joint (Knee/Shoulder/Hip) Aspiration or Injection | 417 | 42.84th | $122 – $167 |
| 73562 | Radiologic Weight-Bearing 3-View Knee Examination | 294 | 42.84th | $69 – $94 |
| 99203 | New Patient Musculoskeletal Injury & Surgical Triage | 170 | 46.84th | $164 – $225 |
| 27447 | Total Knee Arthroplasty Joint Reconstruction | 108 | 51.84th | $1059 – $1451 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (108 HCPCS billing breadth) | 614 | 46.84th | $129 – $187 |
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Dr. Mark Casillas, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Casillas National Provider Identifier | NPI #1598709305 (MD) | CMS NPPES Registry (78258) |
| Dr. Casillas San Antonio CMS Volume Rank | 46.84th Pct (2,159 CMS svcs; Z -0.370σ) | CMS Medicare Part B (TX Orthopedic Surgery) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (San Antonio, TX) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 17 min lobby wait | 21 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.75/5 Listening • 4.60/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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