Dr. Mark Livak, MD
801 S Washington St, Naperville, IL 60540 • +1-929-555-9155
Medical Education: Accredited U.S. Medical School (Class of 2016)
What This Doctor Actually Performs: CMS Medicare Utilization & Naperville Percentiles
NPI #1548557481 • CBSA Regional • Emergency Medicine
Dr. Mark Livak, MD (NPI #1548557481) practices Emergency Medicine in Naperville, IL (60540) with sub-specialty concentration in 27 Active CMS HCPCS Codes, recording 898 annual CMS services across 544 distinct beneficiaries—placing this practice as a upper-quartile active clinical volume (67.86th Naperville percentile) (-0.10σ vs IL state mean, 58.64th statewide percentile).
Fee-schedule auditing of NPI 1548557481 highlights 404 annual claims for 99214 (67.86th Naperville percentile; $177–$243 self-pay corridor) plus 233 encounters under 99213 and 117 under 93000.
For out-of-network patients contacting +1-929-555-9155, Dr. Livak's practice posts a $218.00 GPCI self-pay consult estimate ($218.00 patient-logged median, 4.56/5 composite reality score over 15 submissions).
From 801 S Washington St in Naperville (+1-929-555-9155), Dr. Livak, MD (10-year clinical track record) delivers 27 Active CMS HCPCS Codes care.
Compared against Naperville, IL Emergency Medicine peers
898 annual services across 544 beneficiaries
Standard deviations from IL 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 | 404 | 67.86th | $177 – $243 |
| 99213 | Established Preventive & Chronic Care Visit | 233 | 66.86th | $136 – $186 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 117 | 67.86th | $65 – $89 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 90 | 65.86th | $208 – $285 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 54 | 64.86th | $246 – $338 |
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Dr. Mark Livak, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Livak National Provider Identifier | NPI #1548557481 (MD) | CMS NPPES Registry (60540) |
| Dr. Livak Naperville CMS Volume Rank | 67.86th Pct (898 CMS svcs; Z -0.104σ) | CMS Medicare Part B (IL Emergency Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $218.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Naperville, IL) |
| Waiting-Room Wait Time & Cash Friendliness | $218.00 avg paid • 17 min lobby wait | 15 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.80/5 Listening • 4.60/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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