Dr. John Koo, MD
12021 Wilmington Ave, Los Angeles, CA 90059 • +1-462-555-8924
Medical Education: Accredited U.S. Medical School (Class of 2004)
What This Doctor Actually Performs: CMS Medicare Utilization & Los Angeles Percentiles
NPI #1477617561 • CBSA 31080 • Internal Medicine
Anchored in Los Angeles, CA 90059, Dr. John Koo, MD (NPI 1477617561) logged 1,389 annual procedures (mid-cohort balanced caseload (39.84th Los Angeles percentile), 46.4th CA percentile, -0.09σ) with sub-specialty concentration in 12 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. John Koo (90059) place 99214 at the top of the practice ledger (625 yearly units, 39.84th metro rank), rounded out by 99213 and 93000.
Direct cash-pay transparency modeling sets Dr. Koo's baseline new-consult rate near $231.00 in Los Angeles, CA (cash-pay accepted, in-person clinic visits only, 18-minute average reception wait).
Patients evaluating Dr. John Koo in ZIP 90059 note 22 years of post-doctoral tenure (null, 2004) alongside 4.7 annual CMS procedures per patient.
Compared against Los Angeles, CA Internal Medicine peers
1,389 annual services across 294 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 | 625 | 39.84th | $207 – $283 |
| 99213 | Established Preventive & Chronic Care Visit | 361 | 39.84th | $158 – $217 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 181 | 41.84th | $75 – $103 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 139 | 39.84th | $243 – $332 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 83 | 42.84th | $288 – $394 |
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Dr. John Koo, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Koo National Provider Identifier | NPI #1477617561 (MD) | CMS NPPES Registry (90059) |
| Dr. Koo Los Angeles CMS Volume Rank | 39.84th Pct (1,389 CMS svcs; Z -0.088σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $231.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Los Angeles, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $231.00 avg paid • 18 min lobby wait | 6 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.82/5 Listening • 4.93/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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