Dr. John Dorizas, MD
979 E 3rd St Ste C430, Chattanooga, TN 37403 • +1-878-555-7309
Medical Education: Accredited U.S. Medical School (Class of 2018)
What This Doctor Actually Performs: CMS Medicare Utilization & Chattanooga Percentiles
NPI #1144290834 • CBSA Regional • Orthopedic Surgery
Operating out of Chattanooga, TN (979 E 3rd St Ste C430), Orthopedic Surgery clinician Dr. John Dorizas, MD (accredited MD/DO training, 2018) maintains a mid-cohort balanced caseload (64.71th Chattanooga percentile) (67.18th TN percentile; Z-score -0.17σ across 4,844 documented services) with sub-specialty concentration in 28 Active CMS HCPCS Codes.
Among 6 tracked CMS fee-schedule codes for Dr. Dorizas (averaging 39.1 services per beneficiary), 99213 (Focused Orthopedic Joint & Spine Mobility Evaluation) represents 4% of tracked volume (175 encounters), paired with 20610 (131x).
Cash-pay intake data for NPI 1144290834 (979 E 3rd St Ste C430, Chattanooga) indicates $201.00 typical out-of-pocket visit spend against a $201.00 locality benchmark, paired with 18-minute average reception wait and 4.41/5 biomarker openness.
Credentialed as an MD specialist with 8 years post-graduation experience since completing medical school at an LCME/COCA institution (2018), Dr. Dorizas coordinates 28 Active CMS HCPCS Codes workups from 979 E 3rd St Ste C430 (+1-878-555-7309).
Compared against Chattanooga, TN Orthopedic Surgery peers
4,844 annual services across 124 beneficiaries
Standard deviations from TN 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 | 175 | 64.71th | $33 – $48 |
| 20610 | Major Joint (Knee/Shoulder/Hip) Aspiration or Injection | 131 | 63.71th | $36 – $51 |
| 73562 | Radiologic Weight-Bearing 3-View Knee Examination | 92 | 60.71th | $25 – $40 |
| 99203 | New Patient Musculoskeletal Injury & Surgical Triage | 53 | 66.71th | $48 – $66 |
| 27447 | Total Knee Arthroplasty Joint Reconstruction | 34 | 67.71th | $308 – $423 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (28 HCPCS billing breadth) | 4,358 | 64.71th | $45 – $65 |
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Dr. John Dorizas, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Dorizas National Provider Identifier | NPI #1144290834 (MD) | CMS NPPES Registry (37403) |
| Dr. Dorizas Chattanooga CMS Volume Rank | 64.71th Pct (4,844 CMS svcs; Z -0.172σ) | CMS Medicare Part B (TN Orthopedic Surgery) |
| Fair Cash-Pay New-Patient Benchmark | $201.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Chattanooga, TN) |
| Waiting-Room Wait Time & Cash Friendliness | $201.00 avg paid • 18 min lobby wait | 26 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.57/5 Listening • 4.41/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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