Dr. William Rumack, MD
7345 Medical Center DR, Suite #280, West Hills, CA 91307 • +1-650-555-2688
Medical Education: Accredited U.S. Medical School (Class of 2005)
What This Doctor Actually Performs: CMS Medicare Utilization & West Hills Percentiles
NPI #1740257542 • CBSA Regional • Orthopedic Surgery
Operating out of West Hills, CA (7345 Medical Center DR, Suite #280), Orthopedic Surgery clinician Dr. William Rumack, MD (accredited MD/DO training, 2005) maintains a upper-quartile active clinical volume (66.67th West Hills percentile) (92.76th CA percentile; Z-score +0.80σ across 14,216 documented services) with sub-specialty concentration in 104 Active CMS HCPCS Codes.
Dr. Rumack's longitudinal care intensity (30.1 billed units per patient across 473 individuals) centers on 99213 (1858 annual units) and 20610 ($42–$58 cash range).
Cash-pay intake data for NPI 1740257542 (7345 Medical Center DR, Suite #280, West Hills) indicates $239.00 typical out-of-pocket visit spend against a $239.00 locality benchmark, paired with 18-minute average reception wait and 4.62/5 biomarker openness.
Patients evaluating Dr. William Rumack in ZIP 91307 note 21 years of post-doctoral tenure (null, 2005) alongside 30.1 annual CMS procedures per patient.
Compared against West Hills, CA Orthopedic Surgery peers
14,216 annual services across 473 beneficiaries
Standard deviations from CA 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 | 1,858 | 66.67th | $40 – $55 |
| 20610 | Major Joint (Knee/Shoulder/Hip) Aspiration or Injection | 1,393 | 63.67th | $42 – $58 |
| 73562 | Radiologic Weight-Bearing 3-View Knee Examination | 981 | 63.67th | $25 – $40 |
| 99203 | New Patient Musculoskeletal Injury & Surgical Triage | 568 | 64.67th | $57 – $78 |
| 27447 | Total Knee Arthroplasty Joint Reconstruction | 361 | 65.67th | $366 – $502 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (104 HCPCS billing breadth) | 9,055 | 66.67th | $45 – $65 |
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Dr. William Rumack, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Rumack National Provider Identifier | NPI #1740257542 (MD) | CMS NPPES Registry (91307) |
| Dr. Rumack West Hills CMS Volume Rank | 66.67th Pct (14,216 CMS svcs; Z +0.803σ) | CMS Medicare Part B (CA Orthopedic Surgery) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (West Hills, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 18 min lobby wait | 4 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.91/5 Listening • 4.62/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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