Dr. Yu-Nan Hsu, DO
11037 Warner Ave, Suite 334, Fountain Valley, CA 92708 • +1-311-555-4982
Medical Education: Accredited U.S. Medical School (Class of 2001)
What This Doctor Actually Performs: CMS Medicare Utilization & Fountain Valley Percentiles
NPI #1922382407 • CBSA Regional • Internal Medicine
Operating out of Fountain Valley, CA (11037 Warner Ave, Suite 334), Internal Medicine clinician Dr. Yu-Nan Hsu, DO (accredited MD/DO training, 2001) maintains a upper-quartile active clinical volume (73.33th Fountain Valley percentile) (72.62th CA percentile; Z-score -0.04σ across 2,824 documented services) with sub-specialty concentration in 15 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1922382407 highlights 1271 annual claims for 99214 (73.33th Fountain Valley percentile; $214–$293 self-pay corridor) plus 734 encounters under 99213 and 367 under 93000.
Cash-pay intake data for NPI 1922382407 (11037 Warner Ave, Suite 334, Fountain Valley) indicates $239.00 typical out-of-pocket visit spend against a $239.00 locality benchmark, paired with 17-minute average reception wait and 4.74/5 biomarker openness.
NPI registry verification (#1922382407) confirms Dr. Yu-Nan Hsu's DO standing serving CBSA 92708 with a 4.84/5 patient scorecard.
Compared against Fountain Valley, CA Internal Medicine peers
2,824 annual services across 535 beneficiaries
Standard deviations from CA Internal 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 | 1,271 | 73.33th | $214 – $293 |
| 99213 | Established Preventive & Chronic Care Visit | 734 | 76.33th | $164 – $224 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 367 | 72.33th | $78 – $107 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 282 | 78.33th | $251 – $344 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 169 | 78.33th | $298 – $408 |
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Dr. Yu-Nan Hsu, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Hsu National Provider Identifier | NPI #1922382407 (DO) | CMS NPPES Registry (92708) |
| Dr. Hsu Fountain Valley CMS Volume Rank | 73.33th Pct (2,824 CMS svcs; Z -0.045σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Fountain Valley, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 17 min lobby wait | 3 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.70/5 Listening • 4.74/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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