Dr. Mykola Onyshchenko, MD
1500 Duarte Rd, Duarte, CA 91010 • +1-838-555-8419
Medical Education: Accredited U.S. Medical School (Class of 2000)
What This Doctor Actually Performs: CMS Medicare Utilization & Duarte Percentiles
NPI #1821342775 • CBSA Regional • Hematology-Oncology
Dr. Mykola Onyshchenko, MD (NPI #1821342775) practices Hematology-Oncology in Duarte, CA (91010) with sub-specialty concentration in 20 Active CMS HCPCS Codes, recording 1,137 annual CMS services across 356 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (28.57th Duarte percentile) (-0.62σ vs CA state mean, 14.51th statewide percentile).
Fee-schedule auditing of NPI 1821342775 highlights 512 annual claims for 99214 (28.57th Duarte percentile; $137–$187 self-pay corridor) plus 296 encounters under 99213 and 148 under 93000.
At 1500 Duarte Rd (91010), Dr. Mykola Onyshchenko, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$239.00 per new consult (4.85/5 bedside rating).
From 1500 Duarte Rd in Duarte (+1-838-555-8419), Dr. Onyshchenko, MD (26-year clinical track record) delivers 20 Active CMS HCPCS Codes care.
Compared against Duarte, CA Hematology-Oncology peers
1,137 annual services across 356 beneficiaries
Standard deviations from CA Hematology-Oncology 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 | 512 | 28.57th | $137 – $187 |
| 99213 | Established Preventive & Chronic Care Visit | 296 | 27.57th | $105 – $143 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 148 | 29.57th | $50 – $68 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 114 | 31.57th | $160 – $220 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 68 | 33.57th | $190 – $261 |
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Dr. Mykola Onyshchenko, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Onyshchenko National Provider Identifier | NPI #1821342775 (MD) | CMS NPPES Registry (91010) |
| Dr. Onyshchenko Duarte CMS Volume Rank | 28.57th Pct (1,137 CMS svcs; Z -0.624σ) | CMS Medicare Part B (CA Hematology-Oncology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Duarte, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 16 min lobby wait | 8 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.85/5 Listening • 4.93/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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