Dr. Rex Williams, MD
107 Doctors Park, Starkville, MS 39759 • +1-473-555-2117
Medical Education: Accredited U.S. Medical School (Class of 2000)
What This Doctor Actually Performs: CMS Medicare Utilization & Starkville Percentiles
NPI #1821034596 • CBSA Regional • Pain Management
Within the Starkville, MS (CBSA local) Pain Management cohort, Dr. Rex Williams, MD with sub-specialty concentration in 46 Active CMS HCPCS Codes ranks at the 99th municipal percentile and 95.83th MS percentile (+4.47σ Z-score) based on 23,731 billed procedures for 925 patients.
Fee-schedule auditing of NPI 1821034596 highlights 1334 annual claims for 99214 (99th Starkville percentile; $43–$60 self-pay corridor) plus 771 encounters under 99213 and 385 under 93000.
At 107 Doctors Park (39759), Dr. Rex Williams, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$209.00 per new consult (4.77/5 bedside rating).
Spanning 26 years of clinical practice following 2000 graduation from medical training, Dr. Rex Williams integrates 46 Active CMS HCPCS Codes diagnostics for Starkville metro patients.
Top 10% Pain Management volume leader in Starkville, MS
23,731 annual services across 925 beneficiaries
Standard deviations from MS Pain Management 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 | 1,334 | 99th | $43 – $60 |
| 99213 | Established Preventive & Chronic Care Visit | 771 | 99.5th | $33 – $48 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 385 | 99.5th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 296 | 98th | $51 – $70 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 178 | 99.5th | $60 – $83 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (46 HCPCS billing breadth) | 20,767 | 99th | $45 – $65 |
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Dr. Rex Williams, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Williams National Provider Identifier | NPI #1821034596 (MD) | CMS NPPES Registry (39759) |
| Dr. Williams Starkville CMS Volume Rank | 99.00th Pct (23,731 CMS svcs; Z +4.466σ) | CMS Medicare Part B (MS Pain Management) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Starkville, MS) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 17 min lobby wait | 11 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.77/5 Listening • 4.85/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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