Dr. John Chien, MD
16200 Sand Canyon Ave, Irvine, CA 92618 • +1-587-555-6741
Medical Education: Accredited U.S. Medical School (Class of 2002)
What This Doctor Actually Performs: CMS Medicare Utilization & Irvine Percentiles
NPI #1790043651 • CBSA Regional • Hospitalist
Dr. John Chien, MD (NPI #1790043651) practices Hospitalist in Irvine, CA (92618) with sub-specialty concentration in 11 Active CMS HCPCS Codes, recording 777 annual CMS services across 317 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (15.38th Irvine percentile) (-0.08σ vs CA state mean, 26.68th statewide percentile).
Among 5 tracked CMS fee-schedule codes for Dr. Chien (averaging 2.5 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 45% of tracked volume (350 encounters), paired with 99213 (202x).
Uninsured and high-deductible cash patients visiting Dr. John Chien in Irvine (92618) face an estimated $239.00 initial evaluation fee at 16200 Sand Canyon Ave (hybrid in-clinic and telehealth video consults; 20-minute average reception wait; bedside manner 4.84/5 from 22 verified reports).
Credentialed as an MD specialist with 24 years post-graduation experience since completing medical school at an LCME/COCA institution (2002), Dr. Chien coordinates 11 Active CMS HCPCS Codes workups from 16200 Sand Canyon Ave (+1-587-555-6741).
Compared against Irvine, CA Hospitalist peers
777 annual services across 317 beneficiaries
Standard deviations from CA Hospitalist 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 | 350 | 15.38th | $226 – $310 |
| 99213 | Established Preventive & Chronic Care Visit | 202 | 18.38th | $173 – $237 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 101 | 13.38th | $83 – $113 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 78 | 13.38th | $266 – $364 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 47 | 18.38th | $315 – $432 |
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Dr. John Chien, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chien National Provider Identifier | NPI #1790043651 (MD) | CMS NPPES Registry (92618) |
| Dr. Chien Irvine CMS Volume Rank | 15.38th Pct (777 CMS svcs; Z -0.081σ) | CMS Medicare Part B (CA Hospitalist) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Irvine, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 20 min lobby wait | 22 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.84/5 Listening • 4.63/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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