Dr. Liam Ghiam, MD
3951 Katella Ave Ste 102, Los Alamitos, CA 90720 • +1-590-555-9608
Medical Education: Accredited U.S. Medical School (Class of 2005)
What This Doctor Actually Performs: CMS Medicare Utilization & Los Alamitos Percentiles
NPI #1689123879 • CBSA Regional • Radiation Oncology
Within the Los Alamitos, CA (CBSA local) Radiation Oncology cohort, Dr. Liam Ghiam, MD with sub-specialty concentration in 26 Active CMS HCPCS Codes ranks at the 99th municipal percentile and 57.52th CA percentile (-0.16σ Z-score) based on 2,505 billed procedures for 215 patients.
Fee-schedule auditing of NPI 1689123879 highlights 1127 annual claims for 99214 (99th Los Alamitos percentile; $140–$192 self-pay corridor) plus 651 encounters under 99213 and 326 under 93000.
Cash-pay intake data for NPI 1689123879 (3951 Katella Ave Ste 102, Los Alamitos) indicates $239.00 typical out-of-pocket visit spend against a $239.00 locality benchmark, paired with 15-minute average reception wait and 4.57/5 biomarker openness.
Credentialed as an MD specialist with 21 years post-graduation experience since completing medical school at an LCME/COCA institution (2005), Dr. Ghiam coordinates 26 Active CMS HCPCS Codes workups from 3951 Katella Ave Ste 102 (+1-590-555-9608).
Top 10% Radiation Oncology volume leader in Los Alamitos, CA
2,505 annual services across 215 beneficiaries
Standard deviations from CA Radiation Oncology 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 | 1,127 | 99th | $140 – $192 |
| 99213 | Established Preventive & Chronic Care Visit | 651 | 94th | $107 – $147 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 326 | 98th | $51 – $70 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 251 | 99.5th | $164 – $225 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 150 | 99.5th | $195 – $267 |
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Dr. Liam Ghiam, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Ghiam National Provider Identifier | NPI #1689123879 (MD) | CMS NPPES Registry (90720) |
| Dr. Ghiam Los Alamitos CMS Volume Rank | 99.00th Pct (2,505 CMS svcs; Z -0.158σ) | CMS Medicare Part B (CA Radiation Oncology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Los Alamitos, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 15 min lobby wait | 13 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.80/5 Listening • 4.57/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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