Dr. Mark Miller, MD
3144 Horizon Rd Ste 210, Rockwall, TX 75032 • +1-738-555-8741
Medical Education: Accredited U.S. Medical School (Class of 1992)
What This Doctor Actually Performs: CMS Medicare Utilization & Rockwall Percentiles
NPI #1841250842 • CBSA Regional • Gastroenterology
CMS Medicare Part B utilization records credit Dr. Mark Miller (MD, NPI 1841250842) at 3144 Horizon Rd Ste 210 in Rockwall with 4,740 annual clinical services (512 beneficiaries), corresponding to a +0.16σ regional deviation and mid-cohort balanced caseload (60th Rockwall percentile) with sub-specialty concentration in 51 Active CMS HCPCS Codes.
Dr. Miller's longitudinal care intensity (9.3 billed units per patient across 512 individuals) centers on 99214 (311 annual units) and 45380 ($139–$191 cash range).
Direct cash-pay transparency modeling sets Dr. Miller's baseline new-consult rate near $209.00 in Rockwall, TX (cash-pay accepted, in-person clinic visits only, 13-minute average reception wait).
NPI registry verification (#1841250842) confirms Dr. Mark Miller's MD standing serving CBSA 75032 with a 4.52/5 patient scorecard.
Compared against Rockwall, TX Gastroenterology peers
4,740 annual services across 512 beneficiaries
Standard deviations from TX Gastroenterology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Established Gastroenterology, GERD & IBD Evaluation | 311 | 60th | $58 – $79 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 210 | 58th | $139 – $191 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 177 | 62th | $116 – $159 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 84 | 55th | $155 – $213 |
| 99204 | New Patient Digestive & Hepatology Consultation | 59 | 59th | $82 – $112 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (51 HCPCS billing breadth) | 3,899 | 60th | $55 – $80 |
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Dr. Mark Miller, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Miller National Provider Identifier | NPI #1841250842 (MD) | CMS NPPES Registry (75032) |
| Dr. Miller Rockwall CMS Volume Rank | 60.00th Pct (4,740 CMS svcs; Z +0.161σ) | CMS Medicare Part B (TX Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Rockwall, TX) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 13 min lobby wait | 3 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.94/5 Listening • 4.74/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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