Dr. William Chou, MD
27799 Medical Center Rd Ste 120, Mission Viejo, CA 92691 • +1-852-555-2620
Medical Education: Accredited U.S. Medical School (Class of 2011)
What This Doctor Actually Performs: CMS Medicare Utilization & Mission Viejo Percentiles
NPI #1790713253 • CBSA Regional • Radiation Oncology
Anchored in Mission Viejo, CA 92691, Dr. William Chou, MD (NPI 1790713253) logged 3,570 annual procedures (top-decile high-throughput specialist (99th percentile in Mission Viejo), 74.93th CA percentile, +0.18σ) with sub-specialty concentration in 24 Active CMS HCPCS Codes.
Among 5 tracked CMS fee-schedule codes for Dr. Chou (averaging 12.8 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 45% of tracked volume (1607 encounters), paired with 99213 (928x).
Uninsured and high-deductible cash patients visiting Dr. William Chou in Mission Viejo (92691) face an estimated $239.00 initial evaluation fee at 27799 Medical Center Rd Ste 120 (hybrid in-clinic and telehealth video consults; 20-minute average reception wait; bedside manner 4.58/5 from 4 verified reports).
Credentialed as an MD specialist with 15 years post-graduation experience since completing medical school at an LCME/COCA institution (2011), Dr. Chou coordinates 24 Active CMS HCPCS Codes workups from 27799 Medical Center Rd Ste 120 (+1-852-555-2620).
Top 10% Radiation Oncology volume leader in Mission Viejo, CA
3,570 annual services across 279 beneficiaries
Standard deviations from CA Radiation Oncology 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 | 1,607 | 99th | $170 – $233 |
| 99213 | Established Preventive & Chronic Care Visit | 928 | 99.5th | $130 – $178 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 464 | 99.5th | $62 – $85 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 357 | 94th | $200 – $274 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 214 | 95th | $237 – $324 |
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Dr. William Chou, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chou National Provider Identifier | NPI #1790713253 (MD) | CMS NPPES Registry (92691) |
| Dr. Chou Mission Viejo CMS Volume Rank | 99.00th Pct (3,570 CMS svcs; Z +0.176σ) | CMS Medicare Part B (CA Radiation Oncology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Mission Viejo, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 20 min lobby wait | 4 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.58/5 Listening • 4.73/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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