Dr. Olga Zarkh, MD
135 N Arlington Heights Rd Ste 160, Buffalo Grove, IL 60089 • +1-371-555-8124
Medical Education: Accredited U.S. Medical School (Class of 2013)
What This Doctor Actually Performs: CMS Medicare Utilization & Buffalo Grove Percentiles
NPI #1043282320 • CBSA Regional • Internal Medicine
CMS Medicare Part B utilization records credit Dr. Olga Zarkh (MD, NPI 1043282320) at 135 N Arlington Heights Rd Ste 160 in Buffalo Grove with 5,938 annual clinical services (259 beneficiaries), corresponding to a +0.23σ regional deviation and top-decile high-throughput specialist (92.31th percentile in Buffalo Grove) with sub-specialty concentration in 66 Active CMS HCPCS Codes.
Among 5 tracked CMS fee-schedule codes for Dr. Zarkh (averaging 22.9 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 45% of tracked volume (2672 encounters), paired with 99213 (1544x).
Uninsured and high-deductible cash patients visiting Dr. Olga Zarkh in Buffalo Grove (60089) face an estimated $218.00 initial evaluation fee at 135 N Arlington Heights Rd Ste 160 (in-person clinic visits only; 21-minute average reception wait; bedside manner 4.88/5 from 3 verified reports).
Patients evaluating Dr. Olga Zarkh in ZIP 60089 note 13 years of post-doctoral tenure (null, 2013) alongside 22.9 annual CMS procedures per patient.
Top 10% Internal Medicine volume leader in Buffalo Grove, IL
5,938 annual services across 259 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 | 2,672 | 92.31th | $92 – $126 |
| 99213 | Established Preventive & Chronic Care Visit | 1,544 | 94.31th | $70 – $96 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 772 | 87.31th | $34 – $49 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 594 | 91.31th | $108 – $148 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 356 | 96.31th | $128 – $175 |
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Dr. Olga Zarkh, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Zarkh National Provider Identifier | NPI #1043282320 (MD) | CMS NPPES Registry (60089) |
| Dr. Zarkh Buffalo Grove CMS Volume Rank | 92.31th Pct (5,938 CMS svcs; Z +0.226σ) | CMS Medicare Part B (IL Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $218.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Buffalo Grove, IL) |
| Waiting-Room Wait Time & Cash Friendliness | $218.00 avg paid • 21 min lobby wait | 3 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.88/5 Listening • 4.87/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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