Dr. Sybila Martinez Chapa, MD
3134 N Clark St, Chicago, IL 60657 • +1-634-555-2027
Medical Education: Accredited U.S. Medical School (Class of 2008)
What This Doctor Actually Performs: CMS Medicare Utilization & Chicago Percentiles
NPI #1992230015 • CBSA 16980 • Internal Medicine
Dr. Sybila Martinez Chapa, MD (NPI #1992230015) practices Internal Medicine in Chicago, IL (60657) with sub-specialty concentration in 44 Active CMS HCPCS Codes, recording 631 annual CMS services across 206 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (0.75th Chicago percentile) (-0.23σ vs IL state mean, 0.24th statewide percentile).
Dr. Martinez Chapa's longitudinal care intensity (3.1 billed units per patient across 206 individuals) centers on 99214 (268 annual units) and 99213 ($123–$168 cash range).
At 3134 N Clark St (60657), Dr. Sybila Martinez Chapa, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$222.00 per new consult (4.61/5 bedside rating).
Spanning 18 years of clinical practice following 2008 graduation from medical training, Dr. Sybila Martinez Chapa integrates 44 Active CMS HCPCS Codes diagnostics for Chicago metro patients.
Compared against Chicago, IL Internal Medicine peers
631 annual services across 206 beneficiaries
Standard deviations from IL 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 | 268 | 12th | $160 – $219 |
| 99213 | Established Preventive & Chronic Care Visit | 155 | 12th | $123 – $168 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 77 | 12th | $58 – $80 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 60 | 12th | $188 – $258 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 36 | 12th | $223 – $305 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (44 HCPCS billing breadth) | 36 | 0.75th | $144 – $209 |
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Dr. Sybila Martinez Chapa, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Martinez Chapa National Provider Identifier | NPI #1992230015 (MD) | CMS NPPES Registry (60657) |
| Dr. Martinez Chapa Chicago CMS Volume Rank | 0.75th Pct (631 CMS svcs; Z -0.232σ) | CMS Medicare Part B (IL Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $222.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Chicago, IL) |
| Waiting-Room Wait Time & Cash Friendliness | $222.00 avg paid • 19 min lobby wait | 7 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.61/5 Listening • 4.54/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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