Dr. Stephen Chung, MD
19 Southpoint Ln, Walla Walla, WA 99362 • +1-729-555-8399
Medical Education: Accredited U.S. Medical School (Class of 2005)
What This Doctor Actually Performs: CMS Medicare Utilization & Walla Walla Percentiles
NPI #1578673703 • CBSA Regional • Sleep Medicine
Dr. Stephen Chung, MD (NPI #1578673703) practices Sleep Medicine in Walla Walla, WA (99362) with sub-specialty concentration in 23 Active CMS HCPCS Codes, recording 1,651 annual CMS services across 706 distinct beneficiaries—placing this practice as a top-decile high-throughput specialist (99th percentile in Walla Walla) (+1.87σ vs WA state mean, 88.24th statewide percentile).
Procedural volume for Dr. Chung is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 743 annual services, $274–$376 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 429/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 215/yr).
Direct cash-pay transparency modeling sets Dr. Chung's baseline new-consult rate near $222.00 in Walla Walla, WA (cash-pay accepted, hybrid in-clinic and telehealth video consults, 17-minute average reception wait).
Patients evaluating Dr. Stephen Chung in ZIP 99362 note 21 years of post-doctoral tenure (null, 2005) alongside 2.3 annual CMS procedures per patient.
Top 10% Sleep Medicine volume leader in Walla Walla, WA
1,651 annual services across 706 beneficiaries
Standard deviations from WA Sleep Medicine 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 | 743 | 99th | $274 – $376 |
| 99213 | Established Preventive & Chronic Care Visit | 429 | 99.5th | $210 – $287 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 215 | 99.5th | $100 – $137 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 165 | 96th | $322 – $441 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 99 | 98th | $381 – $522 |
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Dr. Stephen Chung, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chung National Provider Identifier | NPI #1578673703 (MD) | CMS NPPES Registry (99362) |
| Dr. Chung Walla Walla CMS Volume Rank | 99.00th Pct (1,651 CMS svcs; Z +1.869σ) | CMS Medicare Part B (WA Sleep Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $222.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Walla Walla, WA) |
| Waiting-Room Wait Time & Cash Friendliness | $222.00 avg paid • 17 min lobby wait | 13 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.89/5 Listening • 4.64/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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