Dr. Warren Johnston, MD
1140 W LA Veta Ave Ste 430, Orange, CA 92868 • +1-733-555-4312
Medical Education: Accredited U.S. Medical School (Class of 2014)
What This Doctor Actually Performs: CMS Medicare Utilization & Orange Percentiles
NPI #1427052802 • CBSA Regional • Cardiology
Anchored in Orange, CA 92868, Dr. Warren Johnston, MD (NPI 1427052802) logged 1,265 annual procedures (focused low-volume boutique caseload (12.5th Orange percentile), 15.11th CA percentile, -0.36σ) with sub-specialty concentration in 25 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. Warren Johnston (92868) place 99214 at the top of the practice ledger (481 yearly units, 12.5th metro rank), rounded out by 93000 and 93306.
Direct cash-pay transparency modeling sets Dr. Johnston's baseline new-consult rate near $239.00 in Orange, CA (cash-pay accepted, hybrid in-clinic and telehealth video consults, 15-minute average reception wait).
Spanning 12 years of clinical practice following 2014 graduation from medical training, Dr. Warren Johnston integrates 25 Active CMS HCPCS Codes diagnostics for Orange metro patients.
Compared against Orange, CA Cardiology peers
1,265 annual services across 538 beneficiaries
Standard deviations from CA Cardiology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Established Cardiology Consultation & Hemodynamic Review | 481 | 12.5th | $214 – $294 |
| 93000 | 12-Lead Resting Electrocardiogram (ECG) w/ Interpretation | 354 | 15.5th | $84 – $115 |
| 93306 | Complete Transthoracic Echocardiography w/ Doppler & Color Flow | 228 | 13.5th | $401 – $549 |
| 93224 | 24-Hour Ambulatory ECG Rhythm Monitoring & Analysis | 127 | 16.5th | $252 – $345 |
| 99204 | Comprehensive New Patient Cardiovascular Risk Evaluation | 76 | 12th | $308 – $421 |
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Dr. Warren Johnston, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Johnston National Provider Identifier | NPI #1427052802 (MD) | CMS NPPES Registry (92868) |
| Dr. Johnston Orange CMS Volume Rank | 12.50th Pct (1,265 CMS svcs; Z -0.361σ) | CMS Medicare Part B (CA Cardiology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Orange, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 15 min lobby wait | 19 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.75/5 Listening • 4.77/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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