Dr. Mark Sheynshteyn, DO
1366 Victory Blvd Ste A, Staten Island, NY 10301 • +1-822-555-1864
Medical Education: Accredited U.S. Medical School (Class of 2014)
What This Doctor Actually Performs: CMS Medicare Utilization & Staten Island Percentiles
NPI #1447517883 • CBSA Regional • Endocrinology
CMS Medicare Part B utilization records credit Dr. Mark Sheynshteyn (DO, NPI 1447517883) at 1366 Victory Blvd Ste A in Staten Island with 831 annual clinical services (333 beneficiaries), corresponding to a -0.42σ regional deviation and focused low-volume boutique caseload (25th Staten Island percentile) with sub-specialty concentration in 22 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1447517883 highlights 366 annual claims for 99214 (25th Staten Island percentile; $226–$310 self-pay corridor) plus 183 encounters under 95251 and 133 under 76536.
Self-pay new patient consultations with Dr. Sheynshteyn (CPT 99204 GPCI-adjusted benchmark) estimate around $232.00 (community reported average: $232.00) with hybrid in-clinic and telehealth video consults, 18-minute average reception wait, and a 4.69/5 modern protocol openness score across 4 patient logs.
Credentialed as an DO specialist with 12 years post-graduation experience since completing medical school at an LCME/COCA institution (2014), Dr. Sheynshteyn coordinates 22 Active CMS HCPCS Codes workups from 1366 Victory Blvd Ste A (+1-822-555-1864).
Compared against Staten Island, NY Endocrinology peers
831 annual services across 333 beneficiaries
Standard deviations from NY Endocrinology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Complex Endocrine, Thyroid & Metabolic Biomarker Management | 366 | 25th | $226 – $310 |
| 95251 | Ambulatory Continuous Glucose Monitoring (CGM) Data Analysis | 183 | 21th | $141 – $194 |
| 76536 | High-Resolution Thyroid & Parathyroid Neck Ultrasound | 133 | 28th | $273 – $375 |
| 99204 | Comprehensive New Patient Endocrine & Hormone Workup | 100 | 24th | $311 – $426 |
| 99215 | High-Complexity Multi-Hormone & Insulin Pump Titration | 50 | 28th | $349 – $478 |
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Dr. Mark Sheynshteyn, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Sheynshteyn National Provider Identifier | NPI #1447517883 (DO) | CMS NPPES Registry (10301) |
| Dr. Sheynshteyn Staten Island CMS Volume Rank | 25.00th Pct (831 CMS svcs; Z -0.418σ) | CMS Medicare Part B (NY Endocrinology) |
| Fair Cash-Pay New-Patient Benchmark | $232.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Staten Island, NY) |
| Waiting-Room Wait Time & Cash Friendliness | $232.00 avg paid • 18 min lobby wait | 4 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.91/5 Listening • 4.69/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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