Dr. Erik Castleberg, MD
11234 Anderson Street, Gme Office Csp 21005, Loma Linda, CA 92354 • +1-427-555-8375
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & Loma Linda Percentiles
NPI #1700177508 • CBSA Regional • Emergency Medicine
Dr. Erik Castleberg, MD (NPI #1700177508) practices Emergency Medicine in Loma Linda, CA (92354) with sub-specialty concentration in 28 Active CMS HCPCS Codes, recording 655 annual CMS services across 537 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (11.11th Loma Linda percentile) (-0.29σ vs CA state mean, 5.82th statewide percentile).
Granular CPT/HCPCS billing distribution at 11234 Anderson Street, Gme Office Csp 21005 shows Dr. Erik Castleberg's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 295x/yr, 12th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 170x/yr, $255–$349).
Self-pay new patient consultations with Dr. Castleberg (CPT 99204 GPCI-adjusted benchmark) estimate around $239.00 (community reported average: $239.00) with hybrid in-clinic and telehealth video consults, 17-minute average reception wait, and a 4.73/5 modern protocol openness score across 11 patient logs.
Clinical background for Dr. Castleberg (MD, NPI #1700177508) includes accredited doctoral training (2003, 23 yrs in practice) and virtual + in-office availability across CA.
Compared against Loma Linda, CA Emergency Medicine peers
655 annual services across 537 beneficiaries
Standard deviations from CA Emergency 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 | 295 | 12th | $333 – $457 |
| 99213 | Established Preventive & Chronic Care Visit | 170 | 13.11th | $255 – $349 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 85 | 14.11th | $122 – $167 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 66 | 12th | $391 – $536 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 39 | 12th | $464 – $635 |
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Dr. Erik Castleberg, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Castleberg National Provider Identifier | NPI #1700177508 (MD) | CMS NPPES Registry (92354) |
| Dr. Castleberg Loma Linda CMS Volume Rank | 11.11th Pct (655 CMS svcs; Z -0.291σ) | CMS Medicare Part B (CA Emergency Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Loma Linda, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 17 min lobby wait | 11 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.77/5 Listening • 4.73/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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