Dr. Peter Chang Sing, MD
500 Doyle Park DR, Suite 302, Santa Rosa, CA 95405 • +1-911-555-4024
Medical Education: Accredited U.S. Medical School (Class of 2011)
What This Doctor Actually Performs: CMS Medicare Utilization & Santa Rosa Percentiles
NPI #1386678902 • CBSA Regional • Clinical Cardiac Electrophysiology
Anchored in Santa Rosa, CA 95405, Dr. Peter Chang Sing, MD (NPI 1386678902) logged 4,527 annual procedures (top-decile high-throughput specialist (99th percentile in Santa Rosa), 59.15th CA percentile, -0.04σ) with sub-specialty concentration in 74 Active CMS HCPCS Codes.
Among 5 tracked CMS fee-schedule codes for Dr. Chang Sing (averaging 5.3 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 45% of tracked volume (2037 encounters), paired with 99213 (1177x).
Cash-pay intake data for NPI 1386678902 (500 Doyle Park DR, Suite 302, Santa Rosa) indicates $239.00 typical out-of-pocket visit spend against a $239.00 locality benchmark, paired with 21-minute average reception wait and 4.71/5 biomarker openness.
NPI registry verification (#1386678902) confirms Dr. Peter Chang Sing's MD standing serving CBSA 95405 with a 4.64/5 patient scorecard.
Top 10% Clinical Cardiac Electrophysiology volume leader in Santa Rosa, CA
4,527 annual services across 849 beneficiaries
Standard deviations from CA Clinical Cardiac Electrophysiology 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 | 2,037 | 99th | $268 – $367 |
| 99213 | Established Preventive & Chronic Care Visit | 1,177 | 99.5th | $205 – $281 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 589 | 99.5th | $98 – $134 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 453 | 95th | $314 – $431 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 272 | 96th | $373 – $511 |
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Dr. Peter Chang Sing, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang Sing National Provider Identifier | NPI #1386678902 (MD) | CMS NPPES Registry (95405) |
| Dr. Chang Sing Santa Rosa CMS Volume Rank | 99.00th Pct (4,527 CMS svcs; Z -0.043σ) | CMS Medicare Part B (CA Clinical Cardiac Electrophysiology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Santa Rosa, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 21 min lobby wait | 19 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.60/5 Listening • 4.71/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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