Dr. Sergio Casillas Berumen, MD
1111 Broadway Ste 305, Chula Vista, CA 91911 • +1-207-555-9165
Medical Education: Accredited U.S. Medical School (Class of 1994)
What This Doctor Actually Performs: CMS Medicare Utilization & Chula Vista Percentiles
NPI #1437470762 • CBSA Regional • General Surgery
CMS Medicare Part B utilization records credit Dr. Sergio Casillas Berumen (MD, NPI 1437470762) at 1111 Broadway Ste 305 in Chula Vista with 4,438 annual clinical services (215 beneficiaries), corresponding to a +0.41σ regional deviation and top-decile high-throughput specialist (99th percentile in Chula Vista) with sub-specialty concentration in 82 Active CMS HCPCS Codes.
Dr. Casillas Berumen's longitudinal care intensity (20.6 billed units per patient across 215 individuals) centers on 99214 (497 annual units) and 99213 ($206–$282 cash range).
Uninsured and high-deductible cash patients visiting Dr. Sergio Casillas Berumen in Chula Vista (91911) face an estimated $239.00 initial evaluation fee at 1111 Broadway Ste 305 (hybrid in-clinic and telehealth video consults; 16-minute average reception wait; bedside manner 4.96/5 from 20 verified reports).
NPI registry verification (#1437470762) confirms Dr. Sergio Casillas Berumen's MD standing serving CBSA 91911 with a 4.85/5 patient scorecard.
Top 10% General Surgery volume leader in Chula Vista, CA
4,438 annual services across 215 beneficiaries
Standard deviations from CA General Surgery 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 | 497 | 99th | $269 – $369 |
| 99213 | Established Preventive & Chronic Care Visit | 287 | 99.5th | $206 – $282 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 144 | 97th | $98 – $135 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 110 | 95th | $316 – $433 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 66 | 99.5th | $374 – $513 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (82 HCPCS billing breadth) | 3,334 | 99th | $243 – $352 |
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Dr. Sergio Casillas Berumen, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Casillas Berumen National Provider Identifier | NPI #1437470762 (MD) | CMS NPPES Registry (91911) |
| Dr. Casillas Berumen Chula Vista CMS Volume Rank | 99.00th Pct (4,438 CMS svcs; Z +0.412σ) | CMS Medicare Part B (CA General Surgery) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Chula Vista, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 16 min lobby wait | 20 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.96/5 Listening • 4.72/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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