Dr. Kien-An Duong, MD
24268 El Toro Road, Laguna Woods, CA 92637 • +1-853-555-3644
Medical Education: Accredited U.S. Medical School (Class of 2009)
What This Doctor Actually Performs: CMS Medicare Utilization & Laguna Woods Percentiles
NPI #1033175658 • CBSA Regional • Internal Medicine
Dr. Kien-An Duong, MD (NPI #1033175658) practices Internal Medicine in Laguna Woods, CA (92637) with sub-specialty concentration in 55 Active CMS HCPCS Codes, recording 7,341 annual CMS services across 208 distinct beneficiaries—placing this practice as a top-decile high-throughput specialist (99th percentile in Laguna Woods) (+0.09σ vs CA state mean, 90.84th statewide percentile).
Procedural volume for Dr. Duong is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 380 annual services, $50–$68 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 219/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 110/yr).
Direct cash-pay transparency modeling sets Dr. Duong's baseline new-consult rate near $239.00 in Laguna Woods, CA (cash-pay accepted, hybrid in-clinic and telehealth video consults, 17-minute average reception wait).
NPI registry verification (#1033175658) confirms Dr. Kien-An Duong's MD standing serving CBSA 92637 with a 4.78/5 patient scorecard.
Top 10% Internal Medicine volume leader in Laguna Woods, CA
7,341 annual services across 208 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 | 380 | 99th | $50 – $68 |
| 99213 | Established Preventive & Chronic Care Visit | 219 | 99.5th | $38 – $53 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 110 | 99.5th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 84 | 96th | $58 – $80 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 51 | 99.5th | $69 – $94 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (55 HCPCS billing breadth) | 6,497 | 99th | $45 – $65 |
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Dr. Kien-An Duong, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Duong National Provider Identifier | NPI #1033175658 (MD) | CMS NPPES Registry (92637) |
| Dr. Duong Laguna Woods CMS Volume Rank | 99.00th Pct (7,341 CMS svcs; Z +0.088σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Laguna Woods, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 17 min lobby wait | 5 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.61/5 Listening • 4.94/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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