Dr. Elizabeth Zavala, MD
5841 S Maryland Ave, Chicago, IL 60637 • +1-550-555-5633
Medical Education: Accredited U.S. Medical School (Class of 2005)
What This Doctor Actually Performs: CMS Medicare Utilization & Chicago Percentiles
NPI #1164926010 • CBSA 16980 • Geriatric Medicine
Operating out of Chicago, IL (5841 S Maryland Ave), Geriatric Medicine clinician Dr. Elizabeth Zavala, MD (accredited MD/DO training, 2005) maintains a focused low-volume boutique caseload (11.11th Chicago percentile) (6.06th IL percentile; Z-score -1.00σ across 775 documented services) with sub-specialty concentration in 18 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. Elizabeth Zavala (60637) place 99214 at the top of the practice ledger (349 yearly units, 12th metro rank), rounded out by 99213 and 93000.
For out-of-network patients contacting +1-550-555-5633, Dr. Zavala's practice posts a $222.00 GPCI self-pay consult estimate ($222.00 patient-logged median, 4.66/5 composite reality score over 13 submissions).
Spanning 21 years of clinical practice following 2005 graduation from medical training, Dr. Elizabeth Zavala integrates 18 Active CMS HCPCS Codes diagnostics for Chicago metro patients.
Compared against Chicago, IL Geriatric Medicine peers
775 annual services across 215 beneficiaries
Standard deviations from IL Geriatric 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 | 349 | 12th | $138 – $190 |
| 99213 | Established Preventive & Chronic Care Visit | 202 | 12th | $106 – $145 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 101 | 12th | $51 – $69 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 78 | 12th | $162 – $222 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 47 | 12th | $192 – $264 |
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Dr. Elizabeth Zavala, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Zavala National Provider Identifier | NPI #1164926010 (MD) | CMS NPPES Registry (60637) |
| Dr. Zavala Chicago CMS Volume Rank | 11.11th Pct (775 CMS svcs; Z -1.004σ) | CMS Medicare Part B (IL Geriatric 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 • 17 min lobby wait | 13 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.89/5 Listening • 4.58/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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