Dr. Mark Sonnenschine, DO
705 Avenue U, Brooklyn, NY 11223 • +1-578-555-8248
Medical Education: Accredited U.S. Medical School (Class of 2014)
What This Doctor Actually Performs: CMS Medicare Utilization & Brooklyn Percentiles
NPI #1922291939 • CBSA Regional • Hematology-Oncology
Statistical peer benchmarking across NY Hematology-Oncology providers positions Dr. Mark Sonnenschine, DO in Brooklyn at +0.14σ (84.62th city percentile / 73.03th state percentile, 420 Medicare beneficiaries), with clinical focus spanning 54 Active CMS HCPCS Codes.
Among 6 tracked CMS fee-schedule codes for Dr. Sonnenschine (averaging 150.1 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 1% of tracked volume (893 encounters), paired with 99213 (516x).
Cash-pay intake data for NPI 1922291939 (705 Avenue U, Brooklyn) indicates $232.00 typical out-of-pocket visit spend against a $232.00 locality benchmark, paired with 17-minute average reception wait and 4.49/5 biomarker openness.
NPI registry verification (#1922291939) confirms Dr. Mark Sonnenschine's DO standing serving CBSA 11223 with a 4.92/5 patient scorecard.
Compared against Brooklyn, NY Hematology-Oncology peers
63,033 annual services across 420 beneficiaries
Standard deviations from NY 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 | 893 | 84.62th | $48 – $66 |
| 99213 | Established Preventive & Chronic Care Visit | 516 | 84.62th | $37 – $52 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 258 | 85.62th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 199 | 88.62th | $57 – $78 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 119 | 83.62th | $67 – $92 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (54 HCPCS billing breadth) | 61,048 | 84.62th | $45 – $65 |
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Dr. Mark Sonnenschine, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Sonnenschine National Provider Identifier | NPI #1922291939 (DO) | CMS NPPES Registry (11223) |
| Dr. Sonnenschine Brooklyn CMS Volume Rank | 84.62th Pct (63,033 CMS svcs; Z +0.145σ) | CMS Medicare Part B (NY Hematology-Oncology) |
| Fair Cash-Pay New-Patient Benchmark | $232.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Brooklyn, NY) |
| Waiting-Room Wait Time & Cash Friendliness | $232.00 avg paid • 17 min lobby wait | 7 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.73/5 Listening • 4.49/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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